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OMFS YEAR6 SEMESTER2

1. Which of the following is NOT the differential diagnosis of a soft tissue lesion?

List all the most probable diagnosis

Look at the characteristics of each condition/lesion

Blood tests

Compare & distinguish between them

Choose on a “best-fit” basis

2. Which one of the following is NOT the investigation before extraction?

Radiographs

Antibiotic

Pulp vitality tests

Study models

Plaque disclosure

3. What is the ideal treatment plan?

Long-term outcomes

Address all patient concerns

Minimum intervention

All of the above

None of the above

4. In which cases consent should be informed before starting the treatment?

Suture removal

Surgical removal of deep unerupted mandibular wisdom teeth

Prescription writing for orofacial pain

Extraction of a maxillary second molar which the root is close proximity to the sinus

Surgical removal of deep unerupted mandibular wisdom teeth and Extraction of a maxillary second molar which the root is close proximity to the sinus

5. Which of one of the following is NOT the clinical factors predicting the difficulty of extractions?

Extensive loss of coronal tooth structure

Thickness of the buccal plate

Limited access to the area of extraction

Limited access to the tooth in the dental arch

Severe periodontitis

6. Which of one of the following is NOT the radiographic factors predicting the difficulty of extraction?

Severely divergent roots

Periapial radiolucency

Dilacerated roots

Endodontically treated teeth with or without post and core

Increased number of roots present

7. Which teeth are at risk for sinus exposure when doing extraction?

Lone standing maxillary molar with pneumatized maxillary sinus

Roots projecting into a severely pneumatized maxillary sinus and minimal coronal bone visible radiographically

Long divergent bulbous roots with a pneumatized sinus into the trifurcation area

Teeth with advanced periodontal disease but with no mobility; also teeth with the maxillary sinus extending into the trifurcation area

All of the above

8. Which one of the following is NOT one of the principles of flap designs?

Good surgical access

Avoid vital structures

A little broad base flap

Very broad base

Prevention of flap dehiscence

9. What are the factors to consider in flap design?

Depth of the buccal sulcus

Position & size of labial fraenum and muscle attachments

Vital structures

Size of lesion

Number of teeth to be treated

All of the above

10. Which one of the following is NOT one of the basic steps of surgical extraction?

Incision & raising a flap

Application of Betadine

Removal of bone

Tooth or root division

Removal of tooth or roots

11. Which suture that can be used in contaminated wounds?

Vicryl

Silk

Nylon

Catgut

Stainless steel

12. Which suture creates eversion of the wound edges?

Interrupted sutures

Continuous sutures

Horizontal mattress suture

Vertical mattress suture

Figure-of-eight suture

13. What sizes of the sutures that commonly used in oral cavity?

2/0

3/0 & 4/0

4/0 & 5/0

6/0

7/0

14. What is the atraumatic suturing technique?

No crushing tissues with forceps

Not too large suture and needle

Not too large tissue bites

Not too tight

Not too dry

All of the above

15. Which suture is used for extraction socket of molar teeth to control bleeding?

Horizontal mattress

Vertical mattress

Figure-of-eight and interrupted

Interrupted

Sling suture

16. How many knots do you need to tie tissues intra-orally?

One knot

Two knots

Three knots

Four knots

Five knots

17. Suture is selected depends on:

Tissue to be suturing, ie. mucosa, muscle, skin

Wound condition

Healing process, cost, and tissue tolerance

Patient’s availability to come for suture removal

All of the above

18. How do you prevent aspiration of a tooth or root into the lungs when doing an extraction?

Place a piece of sterilized gauze as a pharyngeal screen at the back of the patient's mouth

Place a rubber dam on the tooth

Patient stands up while extracting the tooth

Lay the patient flat while extracting the tooth

Use bite block or mouth prop

19. How to treat postoperative ecchymosis?

Apply ice pack on the bruise

Reassure the patient

Inject steroid

Apply warm moist pack

Reassure the patient and Apply warm moist pack

20. How do you avoid TMJ dislocation during dental procedures?

Tell the patient not to open too wide

Make short appointment

Use mouth prop

Support the mandible during extraction

All of the above

21. What are the symptoms and signs of alveolar osteitis (dry socket)?

Severe pain and discomfort from the extraction site

Pain may radiate from to other parts of the head, ear, eye, and neck

Exposed bone around the socket and Delayed healing

Remaining food debris inside the socket

All of the above

22. Which one of the treatment procedures of alveolar osteitis (dry socket) below is NOT always given to the patients?

Irrigate the socket with chlorhexidine

Prescribed antibiotic

Apply Alvogyl in the socket

Prescribe strong analgesics

Take note in the patient's file

23. Which one of the following is NOT the prevention of dry socket?

Stop smoking

Stop oral contraceptive for several days before & a few days after surgery

Give antibiotic before extraction/surgery

Minimize extraction force

Give clear oral health instruction

24. Which of the following are the local measures to control bleeding after surgical extraction?

Use vitamin K and Blood transfusion

Apply pressure with sterilized gauze

Use tranexamic acide injection

Place Gelfoam or Surgicel in the socket

Suture across the socket

Apply pressure with sterilized gauze, Place Gelfoam or Surgicel in the socket and Suture across the socket

25. In aggressive measure to control bleeding, which medication is commonly used?

Adrenoxyl

Dicinone

Tranexamic acid mouthrinse

Vitamin K

Desmopressin

26. Which hemostatic agent do you use to control bleeding from bone?

Gelfoam

Bone wax

Surgicel

Ferric sulfate

Thrombin

27. In coronectomy, how far from the CEJ of the crown do you need to cut?

1mm to mm below the CEJ

mm to 4mm below the CEJ

4mm to 6mm below the CEJ

cm to 4cm below the CEJ

All of the above

28. Which one of the following statements are NOT the treatments of acute pericoronitis?

Extraction of opposing tooth, Prescribe potent analgesics

Apply acid around the operculome

Operculectomy

Irrigation around the tooth crown with Chlorhexidine

Apply acid around the operculome and Operculectomy

29. Which of the following statements are NOT the factors associated with surgical difficulty of mandibular wisdom teeth?

Verical angulation

Increased age, obesity and Body mass index

Patient with no TMJ disorders

Curvature of roots & dense bone

Verical angulation and Patient with no TMJ disorders

30. What are the radiographic signs indicative of possible inferior alveolar nerve injury during surgical removal of unerupted mandibular wisdom teeth?

Darkening of the root and Narrowing of the roots

Deflection of the root

Interruption of radiopaque line

Diversion of canal

Darkening of the root, Deflection of the root and Interruption of radiopaque line

31. Which case the enucleation of cyst in applied?

Small cyst in the jaws

Large cysts near vital structures

Ameloblastoma with aggressive behaviour

Cystic fibrosis

All of the above

32. Which case of cyst do you need to do marsupialization?

Very large cyst involving vital structures

Traumatic bone cyst

Pocket cyst of lateral incisor

Mucous retention cyst in the floor of the mouth (ranula)

Very large cyst involving vital structures and Mucous retention cyst in the floor of the mouth (ranula)

33. Which of the following is the most recommended and affordable retrograde filling material for apicectomy?

Amalgam

Gutta percha

Glass Ionomer cement

Zinc Oxide Eugenol or IRM

EBA

34. How to diagnose an Oro-antral fistula?

Squeeze patient nose & ask to strongly blow to see air bubble

Insert a large needle into fistula & take X-ray

Use the probe to explore the fistula

None of the above

All of the above

35. Which one of the following is NOT the factors influencing the course of infection?

Portal of entry

Virulence

Patient's weight

Pathogenicity

Host defens

36. What are the investigations for infection?

Take swap of pus for microbiology & antibiotic sensitivity

Immunoflurescence

Blood culture

Urine test

Take swap of pus for microbiology & antibiotic sensitivity and Blood culture

37. Which of the following are NOT the modes of spread of infection?

Saliva

Lymphatic, Blood

Tear

D. Direct spread

Saliva and Tear

38. Where can the infection spread from maxillary nd premolar spread to?

Maxillary sinus

Palatal space

Infratemporal space

Infraorbital space or buccal space

All of the above

39. Where can the infection from mandibular molars spread to?

Submandibular or buccal space

Sublingual space

Submental space

Lateral pharyngeal space

All of the above

40. Which one of the following space that the infection from the mandibular 3rd molar will NOT spread to?

Pterygomandibular

Lateral pharyngeal

Submandibular

Palatal space

Submesseteric

41. Which type of acute infection that can cause airway compromised?

Infraorbital space

Ludwig’s Angina

Buccal space

Canine space

Cavernous sinus

42. What is the most important and first step to treat acute infection?

Prescribe antibiotic

Prescribe analgesics

Antiseptic mouthwash

Incision and drainage of pus

All of the above

43. What is the first line antibiotic for acute infection?

Rodogyl

Tetracycline

Amoxicillin or with clavulanic acid

Cephaxin

All of the above

44. In which case do you need to refer the patient to the hospital?

Localized infection

Ludwig’s Angina

Palatal abscess

] Cavernous sinus thrombosis

Ludwig’s Angina and Cavernous sinus thrombosis

45. How to confirm the definitive diagnosis of a soft tissue lesion (diameter ˃cm) on the lateral border of the tongue?

Blood test

Fine needle aspiration

Incisional biopsy

Excisional biopsy

All of the above

46. What are the principles of treatment of benign soft tissue lesions?

Observe

Reduce

Excise

Resect

All of the above

47. Which lesions are needed for fine needle aspiration?

Vascular lesions

Fluctuant soft tissue pathology

Surgical emphysema

Intraosseous pathology

Fluctuant soft tissue pathology and Intraosseous pathology

48. What are the flap designs for frenectomy?

Elliptical incision, Triangular flap

Z-plasty, Semilunar flap

V-type incision, Rectangular flap

Elliptical incision, Z-plasty and V-type incision

Elliptical incision, Z-plasty and V-type incision and Triangular flap

49. Which of the following statements are the clinical assessments of unerupted maxillary canines?

Observation or visual inspection for bulging, lateral incisors’ position

Taking radiographs, Retained deciduous canines

Palpation on both labial & palatal sides for bone projection

Family history of missing canines

Probing by using a Michelle Trimmer

Observation or visual inspection for bulging, lateral incisors’ position, Palpation on both labial & palatal sides for bone projection and Probing by using a Michelle

50. Which one of the following is NOT the radiographic assessment of unerupted maxillary canines?

OPG

Sialogram

Periapical X-rays

Occlusals: Ant. & Vertex Occlusal

Lateral Cephalogram

51. Which one of the following is NOT the treatment option of unerupted maxillary canines?

Surgical removal of unerupted canine

Interceptive removal of primary canine

No treatment or leave in-situ

Surgical exposure with orthodontic alignment

Laser treatment

52. What are the criteria for surgical removal of unerupted maxillary canines?

Patient is older than 16 years old

Good contact between premolar & lateral incisor

Poor prognosis for alignment

Good aesthetic of a retained deciduous canine with a long root

Unwilling to wear orthodontic appliance

All of the above

53. When aspirate a cystic lesion which shows cholesterol, what type of cyst might it be?

Dentigerous cyst

Eruption cyst

Inflammatory cyst

Odontogenic keratocyst

Aneurysmal bone cyst

54. When aspirate a cyst-like lesion which shows blood, what type of lesion might it be?

Contamination, Lipoma

Aneurysmal bone cyst, Radicular cyst

Haemengioma

Mucoccel

Contamination, Aneurysmal bone cyst and Haemengioma

55. When aspirate a cyst-like lesion which shows air, what type of lesion/structure might it be?

Salivary gland duct,

Maxillary sinus

Traumatic bone cyst

Nerve canal

Maxillary sinus, Traumatic bone cyst

56. Which of one the following lesions do NOT need to do excisional biopsy?

Firoepithelial polyps

Mucocoeles

Fibromas

Haemengioma

Papillomas

57. Which one of the followings is NOT needle stick injury precautions?

Sharps should be passed via a receiver, not hand to hand

Use only plastic instruments

Verbal announcements should be made when passing sharps

Safety devices should be used for storage of needles and blades eg. Magnetic mats

Instruments should be used for tissue retraction- hands should never be used for retraction, to grasp needles, and to load and unload needles and scalpels.

58. Which of the following is/are the clinical factors predicting the difficulty of extractions?

Loss of crown

Thick buccal bone plate

Limited access

Old patients

Previous root canal treated tooth

All of the above

59. Which of the following is NOT the principles of flap designs?

Proper surgical access

Adequate blood supply

Raise small flap

Avoid vital structures

Prevention of flap dehiscence

Soft tissue handling

60. What happening when an incision is not placed over sound bone?

Dehiscence, periodontal defect

Collapse and delayed healing

Tension, dehiscence, and delayed healing

Flap necrosis

All of the above

61. When a fractured root tip can be left in-situ?

The root tip is smaller than mm in an infected root

For small root fragments as the risk of removing them may cause potential complications

The infected root tip is closed to the maxillary sinus

The infected root is close to the inferior alveolar nerve

All of the above

None of the above

62. Which one of the following is NOT the perioperative attire for infection control procedures?

Mask and gloves

Protective eye wears safety glasses

Head light

Footwear or easily cleaned shoes

63. When our hands are needed to be washed?

Before and after touching patients

Before and after a procedure

After touching patient's surrounding and blood

All of the above

64. What should you do when you get needle and sharp injury?

Conduct a risk assessment of degree of risk

Obtain verbal consent from patient to test for Hep B, Hep C and HIV

Vaccinate within 72 hours if required

All of the above

65. Which one of the followings is NOT needle stick injury precaution?

Sharps should be passed via a receiver, not hand to hand

Use only plastic instruments

Verbal announcements should be made when passing sharps

Safety devices should be used for storage of needles and blades eg. Magnetic mats

66. According to NICE guideline, the indication for surgical removal of a third molar is:?

Patient with chronic headache

Patient with lower incisor crowding

Patient with second or subsequent episodes of pericoronitis

Patient with deep impaction pressing on the nerve

67. Which of the following statements are NOT the treatments of acute pericoronitis?

Extraction of opposing tooth

Apply acid around the operculome and operculectomy

Prescribe potent analgesics

Irrigation around the tooth crown with Chlorhexidine

68. What are the risks for surgical removal of the third mandibular molars?

Nerve damage

Alveolar osteitis

Prolonged bleeding

Infection

All of the above

69. What are the contraindications for removal of the third molars?

Acute infection with severe trismus

Possible damage to adjacent structures

Compromised physical status

Completely asymptomatic impacted teeth in elderly individuals

All of the above

70. When assessing mandibular wisdom teeth, which of the followings indicate that the teeth are difficult to remove?

Young patients

Elderly patient or disto-angular impaction with dense bone

Mesio-angular impaction with conical roots

Verical angulation which is fully erupted

71. What are the radiographic signs indicative of possible inferior alveolar nerve injury during surgical removal of unerupted mandibular wisdom teeth?

Darkening of the root

Deflection of the root

Diversion of canal

Interruption of radiopaque line

All of the above

72. In assessment of the degree of difficulty of 3rd molar surgery, which one of the followings is NOT the local factors?

Type of impaction, angulation, depth of application, morphology

Mouth opening (trismus)

Presence/absence of opposing/adjacent tooth and cheek flexibility

Presence of infection (pericoronitis)

Gender (male or female)

73. Why age of the patient is important in assessing the difficulty of surgical removal?

Morbidity and intra and post-operative complications increase with age

The younger, the more difficult surgery

The older, the easier the surgery

The fibrous tissues increases with age

74. Which flap design is the most common flap for surgical removal of mandibular third molars?

Distal limited flap

Envelop flap

Buccal extension flap

Triangular flap

75. What is the indication for distal limited flap?

For large crown with diverged roots

For horizontally impacted tooth closed to ID nerve

For distoangular impaction with dense bone

For conical roots tooth that can be easily elevated

76. What is the problem with buccal extension flap using for surgical removal of mandibular third molars?

Too small exposure

Periodontal problem

Hard to retract the flap

Risk of long buccal nerve injury

77. What type of burr is usually used for surgical removal of third molars?

Fissure high speed burr

Round diamond high speed burr

Round and fissure low speed burrs

Round diamond low speed burr

78. How do you decide the tooth section line in unerupted mandibular third molars?

Depth of impaction

Angulation and root anatomy

Bone density

Inferior dental canal

79. When do we usually remove sutures following surgical removal third molars?

In 3 days

In 4 days

In 5 to 7 days

15 to 30 days

80. What blade number is used to make incision along the gingival crest distal to tooth #17 and #27 when surgically remove maxillary third molars?

Blade #11

Blade #12

Blade #15

Blade 16

81. How do you prevent inferior dental nerve injury during surgical removal of mandibular wisdom teeth?

Use atraumatic surgical techniques and perform coronectomy

Use high speed to cut crowns

Raise small flap

Always take CT scan

82. What are the contraindications for coronectomy?

Mobile tooth (advanced periodontitis)

Caries with potential pulp involvement and periapical abscess

Associated with cyst which won’t resolve with the root left in place

Nerve too close to the coronectomy cut

All of the above

83. In coronectomy, how far from the CEJ of the crown do you need to cut?

1mm to 2mm below the CEJ

2mm to 4mm below the CEJ

4mm to 6mm below the CEJ

2cm to 4cm below the CEJ

84. Which one of the following is NOT the specific warning after coronectomy?

Root exposure migration in the later date

Paresthesia of the upper lip

Later removal of roots

Roots inadvertently removed at the time of attempted coronectomy

85. Which flap design is best indicated for an apicectomy of maxillary incisors with ceramic crowns on?

Seminlunar flap

Triangular flap

Modified scallop semilunar

Rectangular flap

86. What are the radiographic features of radicular cysts?

Round/ovoid, well-defined, unilocular radiolucency with radiopaque margin

Diplacement of teeth

Root resorption

All of the above

87. Which of the following is NOT the factor to consider in flap design?

Depth of the buccal sulcus

Gingival biotypes

Position & size of labial fraenum and muscle attachments

Vital structures

88. Which of the retrograde filling material for apicectomy is at risk of scattering (running to surrounding areas) in soft tissues?

Amalgam

Gutta percha

Glass Ionomer cement

Zinc Oxide Eugenol or IRM

MTA

89. What are the disadvantages of semilunar flap?

Poor access and incision often over the lesion

Difficult moisture control (haemorrhage) and difficult to reposition

Uncomfortable during healing and leaves scars

All of the above

90. What are the advantages of Luebke-Oschenbein Flap (Modified scalloped semilunar)?

Maintain integrity of gingival attachment

Ease in incision & reflection

Enhanced visibility & access

Ease in repositioning

All of the above

91. Which one of the following statement is correct for apical ressection in apecectomy?

25 degree bevel

0-degree bevel root resection

35 degree bevel

45 degree bevel

92. Which one of the following is NOT the desirable characteristic of root-end filling materials?

Ease of application

Radiopacity

Resistance to moisture

Resorbable material

Antibacterial activity

93. What does successful apicectomy of a non-vital tooth depends on?

Small flap design

Proper RCT before apicectomy with retrograde filling

Amalgam retrograde filling

Good sutures

94. What are the criteria for simple surgical exposure (Window Technique) of impacted maxillary canines?

Patient under 16

Adequate space in the arch

Located far from the midline and Inclination is closer to 45o

Healthy root morphology

All of the above

95. What are the indications for apical positioned flap for maxillary impacted canines?

The canine is placed more palatal

The canine crown is apical to MGJ and has got minimal attached gingiva

The canine is near lateral or central incisors

Presence of primary canine

96. What are the criteria for exposure with the application of direct mechanical force of impacted maxillary canines?

Gold chains, steel or elastic ligatures, & magnets attached to orthodontic appliance

Angulation will inhibit spontaneous eruption

Obstructed from erupting by other teeth

Teeth are exposed long after their root development is complete

All of the above

97. How do you take Parallax or Tube Shift Technique of impacted maxillary teeth?

By using Panoramic X-ray

By using CBCT

By using 2 Periapical films with two different angles, 15o to 20o

By using one periapical film like Paralleling Technique

98. What are the problems with traditional endodontic surgery?

Restricted access leading to limitations in visibility

Operating on minuscule microstructures, obscured by bleeding

Root apex was routinely resected with a 45-degree bevel angle → increase in apical leakage

All of the above

99. What type instrument and root ending material are used in modern endodontic surgery?

Root-end preparation material

Use amalgam as a root-end filling

Use ultra-sonic tip and MTA as a root-end filling

Use local antibiotic for irrigation

100. What are the reasons for failure in apicectomy?

Inadequate apical seal

Improper RCT

Inadequate tooth support

Vertical root fracture

All of the above

101. Primary alveoloplasty of the jaw bones can be made by using:?

Digital compression of sockets

Intra-alveolar forceps extraction technique

Removing interseptal bone with rongeurs and burs

All of the above

102. What is the flap design for surgical removal of torus palatinus?

V-shape incision

Y-shape incision

L-shape incision

Z-plasty

103. What is the surgical technique to remove hyperplastic maxillary tuberosity?

Y-shape incision

Two-sided flap

Elliptical excision of crestal mucosa

Three-sided flap

104. What are the surgical techniques to incise/excise labial frenum?

Simple excision technique

Wide V-shape incision

Z-plasty

All of the above

105. What are the symptoms and signs of ankylogpossia (tongue-tie)?

Heart shape or Omega shape of the tip of the tongue when trying to protrude the tongue out

Unclear speech

Limited tongue movement and difficult in swallowing

All of the above

106. What are vital structures below the lingual frenum?

Lingual artery

Lingual vein

Opening of submandibular salivary duct

All of the above

107. How to perform surgical removal of torus mandibularis?

Alveolar crest incision along premolar region & gentle exposure of the torus via a lingual flap

Raise two sided flap

Surgical reduction of torus by using burr & chisel

Debridement & primary closure

108. What is the surgical technique to remove hyperplastic maxillary tuberosity?

Raise three-sided flap

Make a Y-shape flap

Make an elliptical excision of crestal mucosa

Make a V-shape incision

109. How do you perform extraction socket augmentation?

Perform atraumatic extraction

Irrigation with saline or chlorhexidine

Socket decortication wtih round bur

Apply bone graft and membrane

All of the above

110. Which one of the following in NOT the extra-oral examination in management of dento-alveolar injury?

Facial asymmetry

Facial contusion

Facial lacerations

Haematoma in the floor of the mouth

111. What is the primary purpose of our treatment of dental injury?

To do the root canal treatment

To keep the pulp vital

To do pulpotomy

To prevent ankylosis

112. In luxation injuries such as concussion, subluxation, and extrusion the pulp vitality test is done in:

Two weeks

Three weeks

Four weeks

Five weeks

113. What is the effect of rigid splinting?

Promote good periodontal healing

Does not promote healing

Promote apexification

Does not cause ankylosis

114. What is the effect of flexible splinting?

Allows physiologic movement of the teeth in order to minimize ankylosis

Does not allow teeth to move

Often cause ankylosis

Can cause rapid loss of teeth

115. Which of ONE the following is the best semi-rigid or flexible splint?

0 .028 gauge orthodontic wire

4-6# fishing line

Titanium trauma splint

Composite

116. How long does it take to treat lateral subluxation injury with flexible splint?

2 - 4 weeks

3 - 6 weeks

4 - 8weeks

6 - 10 weeks

117. How do you treat intrusion injury of teeth with closed apex?

Orthodontic treatment

Surgical repositioning

Root canal treatment in 1 - 3 weeks

All of the above

118. What is the critical extra-oral dry time of an avulsed tooth?

15 - 30 seconds

30 - 60 seconds

15 - 30 minutes

30 - 60 minutes

119. What can you do if the avulsed tooth was left out over 60 seconds dry time?

Remove remnants of PDL by soaking in acid for 1”

Soak in Stannous Fl for 5”

RCT as soon as possible

Splint

All of the above

120. What happens if the avulsed tooth is out of the mouth over 60 seconds and not stored properly?

Root resorption and probable loss

The tooth can be splinted with good outcome

The tooth should not be splinted

Root resorption and probable loss and The tooth should not be splinted

121. What is the prognosis for survival and revascularization of an avulsed tooth which is not out of the mouth for over 60 seconds?

Poor

Fair

Good (or possible)

Excellent

122. What are the First Aid instructions for avulsed teeth?

Handle by crown only

Pick off debris with tweezers

Replant tooth if possible

Transport in appropriate medium (saliva or milk)

All of the above

123. What are the in-office treatment procedures for an avulsed tooth?

Gently clean the socket

Replant and check occlusion

Splint

Prescribe antibiotics and analgesics

All of the above

124. What are the prohibitions (not to do) for an avulsed tooth?

Handle by root

Scrub root

Allow tooth to dry

Submerge the tooth in water

All of the above

125. Which one of the following is NOT the storage medium for avulsed teeth?

Patient own saliva

Pasteurised whole milk

Tab water

Saline

126. What are the other types of splints apart from semi-rigid or flexible splint?

Acid-etched composite splinting

Interdental wiring

Vaccum-formed plastic splint

Arch bare splint

All of the above

127. How long does it take to stabilize or splint a mobile tooth?

4 - 6 days

2 - 3 weeks

7 - 10 days

2 - 4 months

128. How long does it take to stabilize or splint a tooth displacement?

10 - 15 days

2 - 3 weeks

4 - 8 weeks

3 - 6 months

129. How long does it take to stabilize or splint a root fracture tooth?

2 - 4 months

2 - 6 weeks

6 - 8 weeks

5 - 7 months

130. How long does it take to stabilize or splint an avulsed tooth?

2 - 6 weeks

1 - 3 months

4 - 6 months

7 - 10 days

131. How long does it take to stabilize an alveolar fracture?

2 - 3 weeks

2 - 4 months

4 to 6 weeks

10 - 15 days

132. What are the clinical features of alveolar fracture?

Stepped deformity and palpable fracture

Derangement of occlusion and Mobile teeth

Lacerations / bruising / haematoma of mucosa or gingiva

Visible fracture line through torn mucosa

All of the above

133. What are the temporary stabilization methods for alveolar fracture?

Barton’s bandage

Wire/composite or orthodontic brackets

Simple “bridle” wire or Ivy loops/Continuous loops

Arch bars or lingual/occlusal or “Gunning” splints

All of the above

134. Which of the following is NOT the indication for closed reduction?

Non displaced and favourable fractures

Displaced and unfavourable fractures

Grossly communited fractures

Edentulous atrophic mandible

Fractures in children

135. What is the correct size of Ivy eyelet wire?

16 gauge

20 gauge

26 gauge

36 gauge

136. What are the adjunctive treatments of alveolar fracture?

Hydration and nutrition

Antibiotics

Check tetanus status

All of the above

137. Which ONE of the following conditions that antibiotic is not given?

All fractures through dentate region/open fractures

Tooth crown fracture without pulp involvement

Fractures in the sinus

Contaminated/old injuries

138. What are the pitfalls for MMF of jaw fractures?

Injury to buccal mucosa and lips

Interdental wires become loose and ineffective because of poor placement

MMF is ineffective if too few teeth are secured

All of the above

139. Which cases of dento-alveolar fractures antibiotic is needed?

All fractures through dentate region/open fracture

Fractures in sinus

Dirty/old injuries

All of the above

140. Treatment chirurgical របស់ Periostite មានអ្វីខ្លះ?

បំបាត់មូលហេតុវា

Apicetomie

សំខាន់ត្រូវធ្វើ drainage បង្ហូរខ្ទុះចេញ រួចលាងមុខរបួសដោយសាររួមប្រៃនិងantibiotiqueជារៀង

រាល់ថ្ងៃក្នុង ករណីធ្មេញមិនចាំបាច់ដកចេញ

បំបាត់មូលហេតុវា,ត្រូវព្យាបាលធ្វើ endo រឺដកចោល, Apicetomie,សំខាន់ត្រូវធ្វើ drainageបង្ហូរខ្ទុះចេញ រួចលាងមុខរបួសដោយសាររួមប្រៃនិងantibiotiqueរៀងរាល់ថ្ងៃក្នុងករណីធ្មេញមិនចាំបាច់ដកចេញ

ត្រូវព្យាបាលធ្វើ endo រឺដកចោល

141. Treatment medical របស់ Periostite មានអ្វីខ្លះ?

A/B: Amoxicilline + Genta ( Group PNC)

Anti-inflammation (Prednisolone, Midexon…)

Anti-pyratique (Aspirin)

Analgesiue and Vitamine

All correct

142. តើ Pathologies Dentaires ប្រភេទណាខ្លះដែលបង្ករអោយមាន Sinusite odontogenique?

Sinusite aigue

Sinusite Chronique

Sinusite aigue nig Sinusite Chronique

Sinusite simple

All correct

143. អ្វីទៅដែលហៅថា Sinusite aigue?

គឺជាការរលាក membrane muqueuse ចុងក្រោយបង្អស់របស់ Sinus ដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ

គឺជាការរលាក membrane muqueuse ដំបូងបង្អស់របស់ Sinus ដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ

គឺជាការរលាក membrane muqueuse ចុងក្រោយបង្អស់របស់ Floor Orbiteដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ

All correct

144. ចូររៀបរាប់ពីលក្ខណៈ singe របស់ Sinusite aigue?

មានលក្ខណៈហើមធំ ពេលខ្លះខ្លាំងក្លា

មាន fibrolisation ចេញទឹក infiltration

កោសិកា ហើមខ្លាំងក្លា ប្រែប្រួលទំរង់ musqueuse sinusal

មានខ្ទុះចេញតាមជើងធ្មេញ រឺfistilsation តាមច្រមុះ

All are correct

145. ចូររាប់ក្រពេញទឹកមាត់?

Glande Parotide

Glande Submandibulaire

Glande Parotide, Glande Submandibulaire, Glande Sublingual,ក្រពេញទឹកមាត់តូចៗផ្សេងៗទៀតដែលផ្តុំគ្នា

ក្រពេញទឹកមាត់តូចៗផ្សេងៗទៀតដែលផ្តុំគ្នា

Glande Sublingual

146. និយមន័យ Abcess ?

Abcess គឺជាខ្ទះនៃជាលិកាកំណត់ជាទំហំមួយ។

ជុំវិញ abcess បង្កើតបានភាពហើម ពកឈឺមួយ។

Abcess គឺជាInflamationនៃជាលិកាកំណត់ជាទំហំមួយ។

ជុំវិញ abcess បង្កើតបានភាពហើម ពកមិនសូវឈឺមួយ។

Abcess គឺជាខ្ទះនៃជាលិកាកំណត់ជាទំហំមួយ។ ជុំវិញ abcess បង្កើតបានភាពហើម ពកឈឺមួយ

147. និយមន័យ Phlegmon?

Phlegmonគឺជាខ្ទះinflammationមួយកើតឡើងរហ័សហើយស្រូចស្រាវ(aigue)

ក្នុងនេះកំណត់បាននៅក្រោមស្បែក ចន្លោះសាច់ដុំចន្លោះមុខកាត់ជាដើម។

Phlegmon គឺជាខ្ទះ inflammation មួយកើតឡើងរហ័ស ហើយរ៉ាំរៃ(Chronique)ក្នុងនេះកំណត់បាននៅ

ក្រោមស្បែក ចន្លោះសាច់ដុំចន្លោះមុខកាត់ជាដើម។

Phlegmon គឺជាខ្ទះinflammation មួយកើតឡើងរហ័សហើយស្រូចស្រាវ (aigue)ក្នុងនេះកំណត់បាន ក្រោមស្បែក ចន្លោះសាច់ដុំចន្លោះមុខកាត់ជាដើម

All correct

148. ការព្យាបាល Luxation ATM?

ត្រូវដាក់អ្នកជំងឺអោយ អង្គុយមានបង្កែកសមស្រប ថ្កាមក្រោម
ត្រូវស្មើនិងកែងដៃគ្រូពេទ្យទំលាក់ចុះ។

មេដៃទាំងពីរគ្រូពេទ្យ ត្រូវស៊កអោយគងពីលើថ្គាមទាល់អ្នកជំងឺ

ម្រាមដៃដែលនៅសល់ត្រូវកាន់ផ្អឹបនិងក្រោម Angle Mandibular.

ចលនាកំលាំងដៃទាំងពីរត្រូវរុញអោយស្រប Condyle ឬ Coronoide អោយខ្លាំងទៅក្រោមទីបញ្ចប់ រុញទៅក្រោយស្រប Mandibule.

All are corrects

149. ផលវិបាក (complication) នៃ Abces de la langue។?

អោយថ្នាំ Antibiotique, Anti inflammatoire, diedetique (ត្រូវប្រើអោយបានសមស្រប)

ត្រូវបញ្ចេញអោយអស់នូវជាលិកាដែលស្អុយរលួយ

ប្រើ serum ប្រៃ រឺ antiseptic លាងអោយស្អាតរួចធ្វើ drainage

ត្រូវប្រយ័ត្ន Asphyxie, syncope, Mediastinite

All correct

150. លក្ខណៈគ្លីនិក singe របស់ Sialoadenite?

ខាងក្រោយ angle montant មាន infiltrate រឹង ហើយឈឺ

បំពង់ក្រពេញទឹកមាត់ ហើម ហើយរីកធំ

វាធ្វើអោយមុខងាររបស់ក្រពេញទឹកមាត់ចុះខ្សោយ

ឈឺនៅ distal submandibulaire ត្រង់ត្រីកោណនៃឆ្អឹង

All correct

151. The most common indication for removal of sub-lingual salivary gland is:?

Sialoadenosis.

Neoplasm.

Ranula.

Lymphoma.

Stone.

152. Which form of actinomycosin is most common:?

Faciocervical.

Thorax.

Ileocecal.

Liver.

Spleen.

153. អ្វីដែលហៅថា Periostitis?

គឺជាការរលាកនៃ Periost នៃជាលិកាធ្មេញ

គឺជាការរលាកនៅលើអញ្ចាញធ្មេញ

គឺជាការរលាកនៃរឹសធ្មេញ

គឺជាការរលាកនៃបណ្តួលធ្មេញ

All none correct

154. Treatment chirurgical របស់ Periostitis មានអ្វីខ្លះ?

បំបាត់មូលហេតុវា

Apicectomy

សំខាន់ត្រូវធ្វើ drainage បង្ហូរខ្ទុះចេញ រួចលាងមុខរបួសដោយសាររួមប្រៃ និង antibiotics ជារៀងរាល់ថ្ងៃក្នុងករណីធ្មេញមិនចាំបាច់ដកចេញ

បំបាត់មូលហេតុវា, ត្រូវព្យាបាលធ្វើ endo រឺដកចោល, apicectomy,សំខាន់ត្រូវធ្វើ drainage បង្ហូរខ្ទុះចេញ រួចលាងមុខរបួសដោយសាររួមប្រៃនិងantibioticsជារៀងរាល់ថ្ងៃក្នុងករណីធ្មេញមិនចាំបាច់ដកចេញ

ត្រូវព្យាបាលធ្វើ endo រឺដកចោល

155. ហេតុដែលធ្វើអោយមាន Periostitis?

កើតបន្ទាប់ពី Pulpitis

Parodontosis

Traumatism

Desmodontitis

156. Mecanisme of pariostitis?

Pariostitis

Pulpitis បន្ទាប់ពី Periostitis

Desmodontitis

មេរោគរាតត្បាត Pulp បន្ទាប់មក Periostitis, Exodontia

157. តើត្រូវដកធ្មេញ Periostitis?

ធ្មេញ mobiled ខ្លាំង

Traumatism

Parodontosis

ធ្មេញ mobiled ខ្លាំង និង Parodontosis

158. តើការរលាក Sinus អាចជាអ្វីខ្លះ?

Local anesthesia

Anesthesia site infraorbital

Traumatism fossa of canine

Traumatism ខ្លាំងពីលើជាប់គ្នានូវធ្មេញ Infraorbital, Premolar, Molar

Traumatism fossa of canine and Traumatism ខ្លាំងពីលើជាប់គ្នានូវធ្មេញ Infraorbital, Premolar, Molar

159. Pathology ក៏ដូចជា Tumor ដែលធ្វើអោយប៉ះពាល់ Sinus រលាកបាន ?

Cyst of sinus

Rhinitis, Tumor of palate

Ameloblastoma of mandible

Osteitis and Osteomyelitis maxilla

Cyst of sinus, Rhinitis, Tumor of palate and Osteitis and Osteomyelitis maxilla

160. Cyst ណាខ្លះដែលធ្វើអោយកើត Sinusitis of maxilla?

Cyst radicular of maxilla

Cyst follicular of mandible

Cyst radicular 48, 38

Cyst follicular premolar of mandible

Cyst radicular of maxilla and Cyst follicular premolar of mandible

161. មានសញ្ញាមួយសំខាន់បំផុតសំរាប់កំលាត់ Clinical (Acute + Chronic) Sinusitis?

ឈឺម្ដុំស្លាបច្រមុះ

ហើយម្ដុំ Zygomatic

ឈឺធ្មេញនៅចង្កូម រហូតដល់ថ្គាមធំ

យកម្រាមដៃចុចម្ដុំ Foramen of orbit ឬស្បែកក្រៅ មានពណ៍ក្រហម

All correct

162. The walls of the maxillary sinus are sinus is related to?

The floor of the orbit.

The floor of the orbit and the upper posterior teeth.

The floor of the orbit, the upper posterior teeth and the infratemporal fossa.

The floor of the orbit, the upper posterior teeth, the infratemporal fossa and the hard palate.

163. Which of the following paranasal sinuses open into the middle meatus?

The anterior ethmoidal sinuses.

The anterior ethmoidal and frontal sinuses.

The anterior ethmoidal, frontal and maxillary sinuses.

The anterior ethmoidal, frontal, maxillary and sphenoidal sinuses.

164. The maxillary sinus. ?

Is lined by stratified squamous epithelium.

Drains into the superior meatus of the nasal cavities.

Is innervated by branches of the maxillary division of the trigeminal nerve.

Receives its blood supply from the first part of the maxillary artery.

165. A patient is most likely to experience pain due to infection of the ethmoidal air cells sinus?

At the base of the skull.

On the forehead.

In the cheeks.

Between the eyes.

166. The sinus can be punctured and washed out transnasally. ?

Treatment of chronic maxillary sinusitis

Medical treatment is useless; surgery is nearly always required.

Antral washouts should be performed daily for 3 weeks in the first instance.

Caldweii-Luc operation involves enlarging the natural ostium to allow free drainage.

Medical treatment is useless; surgery is nearly always required and Caldweii-Luc operation involves enlarging the natural ostium to allow free drainage.

167. Sinusitis is ?

Is an inflammatory condition of the lung.

Can be caused by an allergy.

Can be caused only by viruses.

Cannot be treated by antibiotics.

Is an inflammatory condition of the lung and Can be caused by an allergy.

អ្វីទៅដែលហៅថា Sinusitis Odontogenic?

គឺជាការរលាក Sinus (membrane muqueuse នៃ sinus) ដែលបង្កដោយមេរោគដែលចូលតាមរយៈធ្មេញ គឺតាម periapical និងម្យ៉ាងទៀតក៏មានចូលតាមរយៈភាពមិនប្រក្រតីនៃ Nasal (Rinitis).

គឺជាការរលាកសើរៗនៃ Sinus

គឺជាការរលាកនៃធ្មេញដែលនៅជាប់ Sinus

គឺជាការរលាកនៃជាលិកាជុំវិញ Sinus

All none correct

168. តើ Pathology of teeth ប្រភេទណាខ្លះដែលបង្ករអោយមាន Sinusitis odontogenic?

Acute sinusitis

Chronic sinusitis

Sinusite aigue nig Sinusite Chronique

Sample sinusitis

All correct

169. អ្វីទៅដែលហៅថា Sinusitis acute?

គឺជាការរលាក membrane muqueueuse ចុងក្រោយបង្អស់របស់ Sinus ដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ

គឺជាការរលាក membrane muqueueuse ដំបូងបង្អស់របស់ Sinus ដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ

គឺជាការរលាក membrane muqueueuse ចុងក្រោយបង្អស់របស់ Floor Orbite ដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ

All none correct

All correct

170. ចូររៀបរាប់ពីលក្ខណៈ Clinic របស់ Sinusitis acute?

អ្នកជំងឺធ្មេញ ពេលទំពារ ពេលធ្មេញប៉ះទង្គិចគ្នាពេលគោះឈឺកាន់តែខ្លាំង

ឈឺចាប់នៅជុំវិញ អញ្ចាញ អ្នកជំងឺល្ហិតល្ហៃ

Temperature កើន 37.5 – 380C រឺលើសពីនេះក៏មាន

អ្នកជំងឺឈឺក្បាល ពេលប៉ះលើ sinus ធ្វើអោយឈឺកាន់តែខ្លាំង

All correct

171. អ្វីទៅដែលហៅថា Sinusitis Chronic?

Sinusite Chronique គឺបណ្តាលពីការព្យាបាលមិនបានល្អនៃ Sinusite Aigue និងបណ្តាលពីការព្យាបាលមិនសះស្បើយនៃ kyste, parodontite, granulomatouse

ការរលាក membrane muqueuse ដំបូងបង្អស់របស់ Sinus ដោយសារជំងឺរ៉ាំរៃនៃធ្មេញ។

គឺបណ្តាលមកពីការព្យាបាលមិនល្អនៃ Sinus acute.

បណ្តាលមកពីការព្យាបាលនៃ kyste, parodontite, granulomatose.

All none correct

172. ចូររៀបរាប់ពីលក្ខណៈ Clinique របស់ Sinusite aigue?

មានលក្ខណៈហើមធំ ពេលខ្លះខ្លាំងក្លា

មាន fibrolisation ចេញទឹក infiltration

កោសិកា ហើមខ្លាំងក្លា ប្រែប្រួលទំរង់ musqueuse sinusal

មានខ្ទុះចេញតាមជើងធ្មេញ រឺfistilsation តាមច្រមុះ

All correct

173. ចូរនិយាយពី Technique de Calwell Luc ក្នុងការធ្វើ Sinusectomie?

វះកាត់ដោយប្រើកាំបិតស្របអញ្ចាញ កែងជាមួយ maxillaire ពី canine- 1ere molaire (Vestibulaire)។

ចុងកាំបិតត្រូវអូសរហូតដល់ឆ្អឹង

ប្រើ spatula ធ្វើ decollement ធ្វើ trepanation (ផ្តាច់រឺដាប់) នូវ fosse de sinus ដើម្បីបើអោយចូលដល់ Sinus។

ប្រើ curette រឺ spatula កោសអោយអស់នូវ កោសិកា pathologie នៃ Sinus ចេញអោយស្អាត។

All correct

174. អ្វីដែលហៅថា Sialoadenite?

គឺជាការរលាកកោសិកា parenchime submandibulaire កើតមានច្រើនហើយនៅ Manbular មានតិចតួចបំផុត។

គឺជាការរលាកក្រពេញរងៃ

គឺជាការរលាកកោសិកា parenchime parotide កើតមានច្រើននៅ sublingual មានតិចតួចបំផុត។

ការរលាកក្រពេញទឹកភ្នែក

គឺការរលាកក្រពេញទឹកមាត់ និងការរលាកកោសិកា parenchime submandibulaire កើតមានច្រើន ហើយនៅ sublingual មានតិចតួចបំផុត។

175. តើមាន factures ប្រភេទណាខ្លះដែលបង្កអោយមាន sialoadenite?

Local facture and External facture

Local facture

External facture

Internal facture

Odontogenique facture

176. ចូរនិយាយពីការព្យាបាលរបស់ Sialoadenite?

ប្រើantibiotic រឺ sulfamide, anti-inflammatoire

បើមាន abces រឺ phlegmon ត្រូវតែចោះទំលាយវាចេញអោយអស់ទៅតាមលក្ខណៈដែលអាចធ្វើទៅបាន រួចធ្វើ drainage

នៅពេលខូចខាត ក្រពេញរបស់កោសិកា parenchime គេប្រើថ្នាំ Diedetic, ថ្នាំ stimulant អោយបញ្ចេញទឹកមាត់ + physiotherapie (Electrophovese 2% Sol Cal. Iodine)

ករណី Chronique ត្រូវធ្វើ Extirpation submandibulaire de la glande salivaire

All correct

177. Etiologie និង Clinique របស់ Abces de la langue?

ធ្មេញដែលគ្មាន infection

មានសភាពហើមខ្លាំង

មានសភាពហើមខ្លាំង Traumatisme ក្លិនមាត់មិនល្អ

Traumatisme

ក្លិនមាត់មិនល្អ

178. ចូររាប់ក្រពេញទឹកមាត់ ។ ?

Glande Parotide

Glande Submandibulaire

Glande Parotide, Glande Submandibulaire, Glande Sublingual and ក្រពេញទឹកមាត់តូចៗផ្សេងៗទៀតដែលផ្តុំគ្នា

ក្រពេញទឹកមាត់តូចៗផ្សេងៗទៀតដែលផ្តុំគ្នា

Glande Sublingual

179. Lithiasie និង Etiologie របស់វា។ ?

បរិមាណទឹកមាត់កើនឡើងខុសធម្មតា

Pathologie de la gland salivaire

មូលហេតុនៃ mecanisme: ការបំរែបំរួលនៃ Chimico-pysique នៃអង្គធាតុ

ការចុះខ្សោយនៃមុខងារបំពង់បញ្ចេញទឹកមាត់(Traumatisme)

All are correct

180. Clinique និង Traitement របស់ Lithiasie។ ?

អ្នកជំងឺដឹងខ្លួនថាក្រហាយ រឺឈឺនៅចុងអណ្តាត រឺពេញផ្ទៃអណ្តាត អ្នកជំងឺពិបាកទំពារអាហារ និងនិយាយ

ទឹកមាត់ចេញតិច ដែលបង្ហាញពីការស្ទះបំពង់ទឹកមាត់ដោយសារដុំគ្រួសហើយវាមានទំហំធំ រឺង

សីតុណ្ហភាពមានការកើនឡើង 38-390C មាន Adenite sub-mandibulaire

Lithiasectomy

All correct

181. និយមន័យ Abces និង Phlegmon។ ?

Abcess គឺជាខ្ទះនៃជាលិកាកំណត់ជាទំហំមួយ។ ជុំវិញ abcess បង្កើតបានភាពហើម ពកឈឺមួយ។ Phlegmon គឺជាខ្ទះ inflammation មួយកើតឡើងរហ័ស ហើយស្រូចស្រាវ(aigue) ក្នុងនេះកំណត់បាននៅក្រោមស្បែក ចន្លោះសាច់ដុំចន្លោះមុខកាត់ជាដើម

Abcess គឺជាInflamationនៃជាលិកាកំណត់ជាទំហំមួយ។ ជុំវិញ abcess បង្កើតបានភាពហើម ពកមិនសូវឈឺមួយ។ Phlegmon គឺជាខ្ទះ inflammation មួយកើតឡើងរហ័ស ហើយស្រូចស្រាវ(aigue) ក្នុងនេះកំណត់បាននៅក្រោមស្បែក ចន្លោះសាច់ដុំចន្លោះមុខកាត់ជាដើម។

Abcess គឺជាInflamationនៃជាលិកាកំណត់ជាទំហំមួយ។ ជុំវិញ abcess បង្កើតបានភាពហើម ពកមិនសូវឈឺមួយ។ Phlegmon គឺជាខ្ទះ inflammation មួយកើតឡើងរហ័ស ហើយរ៉ាំរៃ(Chronique) ក្នុងនេះកំណត់បាននៅក្រោមស្បែក ចន្លោះសាច់ដុំចន្លោះមុខកាត់ជាដើម។

All are Corrects

182. Etiologie និង Microbiologie abces និង Phlegmon។ ?

កើតឡើងបន្ទាប់ពី desmondontite បែប exercebation,

កើតឡើងដោយសារ desmodontite aigue

កើតពី dent incluse et enclave

កើតឡើងពី kyste radicularie infecte

កើតឡើងបន្ទាប់ពីdesmondontite បែប exercebation, កើតឡើងដោយសារ desmodontite aigue, កើតពី dent incluse et enclave, កើតឡើងពី kyste radicularie infecte

183. Clinique Abces និង Phlegmon។ ?

កំដៅខ្លួនប្រាណអ្នកជំងឺឡើង 37-38.50C

ល្ហិតល្ហៃ តែបើខ្ទុះមាននៅជុំវិញថ្គាមពិសេសលើថ្គាម ក្រោមស្បែក

Phlegmon កើត maxilla-facial ធ្វើអោយកំដៅខ្លួនទាប រឺខ្ពស់

Intoxication ធ្វើអោយឈឺក្បាល ខ្សោយអស់កំលាំង បាត់បង់ការហូបចុក យល់សប្តិអាក្រក់ septicemia

កំដៅខ្លួនប្រាណអ្នកជំងឺឡើង 37-38.50C ហើយល្ហិតល្ហៃ តែបើខ្ទុះមាននៅជុំវិញថ្គាមពិសេសលើថ្គាម ក្រោមស្បែក។ Phlegmon កើត maxilla-facial ធ្វើអោយកំដៅខ្លួនទាប រឺខ្ពស់ Intoxication ធ្វើអោយឈឺក្បាល ខ្សោយអស់កំលាំងបាត់បង់ការហូបចុក យល់សប្តិអាក្រក់ septicemia

184. និយមន័យ Furoncule?

គឺជារលាកខ្ទុះរលួយស្រួចស្រាវនៃរន្ធសរសៃសក់ឬរោមមួយឬ ច្រើននៅជុំវិញកោសិកា(ជាលិកា)។

ជារលាកខ្ទុះរលួយស្រួចស្រាវនៃរន្ធឬសធ្មេញច្រើននៅជុំវិញកោសិកា(ជាលិកា)។

ជារលាកខ្ទុះរលួយរាំរៃ នៃរន្ធសរសៃសក់ ឬរោមមួយឬ ច្រើននៅជុំវិញកោសិកា(ជាលិកា)។

ជារលាកគ្មានខ្ទុះស្រួចស្រាវនៃរន្ធសរសៃសក់ ឬរោមមួយឬ ច្រើននៅជុំវិញកោសិកា(ជាលិកា)។

ជាហើមខ្ទុះរលួយស្រួចស្រាវនៃរន្ធសរសៃសក់ ឬរោមមួយឬ ច្រើននៅជុំវិញកោសិកា(ជាលិកា)។

185. និយមន័យ Carboncle?

ជារលាកខ្ទុះរលួយស្រួចស្រាវនៃរន្ធសរសៃសក់ ឬរោមមួយឬ ច្រើននៅជុំវិញកោសិកា(ជាលិកា)។

ជា Infection អាចបង្កើតទៅជាជាលិកាជិតខាងរបស់រន្ធ ញើស ឬរន្ធរោម ឬសក់។

ជា Inflammation អាចបង្កើតទៅជាជាលិកាជិតខាងរបស់រន្ធ ញើស ឬរន្ធរោម ឬសក់។

ជា Ulceration អាចបង្កើតទៅជាជាលិកាជិតខាងរបស់រន្ធ ញើស ឬរន្ធរោម ឬសក់។

All none Corrects

186. និយមន័យ Pathologenie Actinomycose?

Actinomycose ជាជំងឺផ្សិត Microorganism កើតឡើងដោយពន្លឺថ្ងៃ។

ជា Chronic ឆ្លងពីក្រៅ ទៅក្នុងខ្លួនដោយ Actinomycose.

Actinomycose ជាជំងឺផ្សិត Virus កើតឡើងដោយពន្លឺថ្ងៃ។

ជា Acute ឆ្លងពីក្រៅ ទៅក្នុងខ្លួនដោយ Actinomycose.

Actinomycose ជាជំងឺផ្សិត Microorganism កើតឡើងដោយពន្លឺថ្ងៃ ជា Chronic ឆ្លងពីក្រៅ ទៅក្នុងខ្លួនដោយ Actinomycose

187. ចំណាត់ថ្នាក់ T.G Rabustov?

ស្បែក និង ក្រោមស្បែក

Actinomycose បឋមនៃឆ្អឹង

ចន្លោះក្រោមស្បែក និងសាច់ដុំ

Lymphdeno-Actinomycose

All are corrects

188. ដូចម្តេចដែលហៅថា Luxation ATM?

ជាការគាំងថ្កាមក្រោម មិនអាចធ្វើចលនារំកិល ពេញលេញ។

ជាការគាំងថ្កាមក្រោម តែអាចធ្វើចលនារំកិល ពេញលេញ។

ជាការគាំងថ្កាមលើ មិនអាចធ្វើចលនារំកិល ពេញលេញ។

ជាការគាំងថ្កាមលើ អាចធ្វើចលនារំកិល ពេញលេញ។

All none Corrects

189. ដូចម្តេចដែលហៅថា Ankylose ATM. ?

ជា Deformation គាំងស្តូកមួយនៃ ATM(Articulo-Temporo-Mandibulare)

កំណត់បាននូវភាពស្ទើរ (តិចតួចបំផុត)

ឬពេញលេញនៃចលនាថ្គាមក្រោមដែលបណ្តាលមកពី Fibrosie ឬជាការដុះជាប់ Articulation (ឆ្អឹង)។

ជា Deformation គាំងស្តូកមួយនៃ ATM(Articulo-Temporo-Mandibulare)កំណត់បាននូវភាពស្ទើរ (តិចតួចបំផុត) ឬពេញលេញនៃចលនាថ្គាមក្រោមដែលបណ្តាលមកពី Fibrosie ឬជាការដុះជាប់ Articulation (ឆ្អឹង)។

All none Correct

190. Clinic Nevralgie Trifacial?

ឈឺម៉ោងៗមួយចំហៀកមុខ ៣% អាចឈឺទាំងសងខាង។

ភាគច្រើនស្រីខ្លាំងជាង ប្រុស២ដង ឈឺនៅខាងស្តាំ លើខាងធ្វេង ឈឺកន្ត្រាក់ប្រហែលឆក់ខ្សែភ្លើង ចាក់ឈិបៗ

ឈឺឡើងញ័រក្បាលដូចចាក់ និងកាំបិទវះ។ល។

ឈឺស្រួចស្រាវញាក់ៗ សាច់ដុំ កន្ត្រាក់ៗ ញ័របបូរមាត់ ឈឺកាន់ខ្លាំងពេលត្រូវត្រជាក់ ឬត្រូវខ្យល់ ហ៊ឹងត្រចៀក។

All are Corrects

191. ការព្យាបាល Nevralgie Trifacial. ?

ជាការព្យាបាលរួមមួយ(ថ្នាំស្អំ) ជាចំបង។

Methode Canservatif ត្រូវប្រើ Tegretol ដែលមាន Dosage 100-200ml ទៅ 2-6 ដង ក្នុង 1ថ្ងៃ នៅរយៈពេល 3-4 អាទិត្យ។

បន្ទាប់មកត្រូវប្រើ Dose 100mg ក្នុង១ថ្ងៃ១ដង។

បើអ្នកជំងឺមាន Complication ត្រូវបន្ថយ Dose ជាស្វ័យប្រវត្តិ។

All are Corrects

192. ការព្យាបាល និងផលវិបាក (complication) នៃ Abces de la langue។ ?

អោយថ្នាំ Antibiotique, Anti inflammatoire, diedetique (ត្រូវប្រើអោយបានសមស្រប)

ត្រូវបញ្ចេញអោយអស់នូវជាលិកាដែលស្អុយរលួយ

ប្រើ serum ប្រៃ រឺ antiseptic លាងអោយស្អាតរួចធ្វើ drainage

ត្រូវប្រយ័ត្ន Asphyxie, syncope, Mediastinite

All are Corrects

193. លក្ខណៈគ្លីនិក (Clinique) របស់ Sialoadenite?

ខាងក្រោយ angle montant មាន infiltrate រឹង ហើយឈឺ

បំពង់ក្រពេញទឹកមាត់ ហើម ហើយរីកធំ

វាធ្វើអោយមុខងាររបស់ក្រពេញទឹកមាត់ចុះខ្សោយ

ឈឺនៅ distal submandibulaire ត្រង់ត្រីកោណនៃឆ្អឹង

All are Corrects

194. ចូរនិយាយពី form purulent របស់ Sinusite Chronique?

កោសិកាហើមខ្លាំងក្លា ប្រែប្រួលទំរង់ muqueuse sinusal

មានខ្ទុះចេញតាមជើងធ្មេញ រឺ fisitilisation តាមច្រមុះ

Microscope បង្ហាញភាពរលេះរលួយស្អុយ

នៅលើជញ្ជាំង sinus មានភាពប្រែប្រួលខុសពីធម្មតា ពេលចាប់ផ្តើមមាន resorbtion osseuse

All are Corrects

��ូរជ្រើសរើសចំលើយដែលត្រឹមត្រូវ

195. តើ Abscess of base of upper lip, Subperiosteal abscess,Vestibular abscess,Intraalveolar abscess of maxilla&Mandible ,Infraorbital abscess,Buccal abscess ស្ថិតក្នុងក្រុមណា?

Low severity

Medium severity

High severity

Diffuse abscess.

196. យោងតាមThe degree and direction of diplacement តាមរូបភាពខាងក្រោម តើគេធើ្វការបែងចែក Diplacement របស់ឆ្អឹងដូចម្តេចខ្លះ?

Inward and posterior displacement of the ZMC

Inward and downward displacement of the ZM

Outward displacement of the zygomatic complex

Comminution of the whole zygomatic complex

197. ចំពោះThe degree and direction of diplacement តាមរូប ភាពខាងក្រោម តើគេធើ្វការបែងចែក Diplacement របស់ឆ្អឹងដូចម្តេចខ្លះ?

Inward and posterior displacement of the ZMC

Inward and downward displacement of the ZMC

Outward displacement of the zygomatic complex

Comminution of the whole zygomatic complex

198. ចំពោះThe degree and direction of diplacement តាមរូបភាពខាងក្រោម តើគេធើ្វការបែងចែក Diplacement របស់ឆ្អឹងដូចម្តេចខ្លះ?

Inward and posterior displacement of the ZMC

Inward and downward displacement of the ZMC

Outward displacement of the zygomatic complex

Comminution of the whole zygomatic complex

199. ចំពោះThe degree and direction of diplacement តាមរូបភាពខាងក្រោម តើគេធើ្វការបែងចែក Diplacement របស់ឆ្អឹងដូចម្តេចខ្លះ?

Inward and posterior displacement of the ZMC

Inward and downward displacement of the ZMC

Outward displacement of the zygomatic complex

Comminution of the whole zygomatic complex

200. What is an abscess or Cellulitis ?

Cellulitis is a flammation of medular bone.

Cellulitis is a painful swelling of the soft tissue of the mouth and face resultating from a diffuse spreading of purulent exudate along the facial planes that separate the muscle bundles.

Cellulitis is an acute deep suppurative abcess of upper neck and perioral area.

Cellilitis is inflammation of hair follicle from infection or trauma or Chemical irritation.

201. What are the causes of cellulitis ?

Inflammation of hair follicles

Chronic of apical infection

Acute of apical infection.

Chronic blistering disease

202. How to spread of pus inside the tissues space ?

By continuity through tissue spaces and planes, by way of the lymphatic system and by way of blood circulation .

By way of the lymphatic system by way of the lymphatic System.

By way of blood circulation.

By direct skin-to-skin contact with the infected areas.

203. Local Signs and Symptoms of cellulitis are :?

Pain and swelling

Surface erythema and pus formation

Limitation of motion

All as the above.

204. Systemical signs and symptoms of cellulitis are :?

Fever and malaise

Lymphadenopathy and toxic appearance

Elevated white blood cell count

All are corrects.

205. Classification of cellulitis based by severity ?

Acute and chronic.

Acute, subacute and chronic

Low severity,medium severity and high severity.

Odontogenic and nonodontogenic cellulitis.

206. Fascial planes offer anatomic highways for infection to spread superficial to deep planes are :?

Surface of gingiva, palatal abscess and maxillary sinus.

Surface of gingiva, palatal abscess , maxillary sinus,maxilla and mandible

Surface of gingiva, palatal abscess , maxillary sinus, maxilla and mandible, floor of the mouth.

Vestibular region and palatal region.

207. The following are low severity of cellulitis , except…?

Abscess of base of upper lip and Subperiosteal abscess,

Vestibular abscess,Intraalveolar and abscess of maxilla&Mandible

Infraorbital abscess,Buccal abscess

Submandibular abscess.

208. Submental, Submandibular,Sublingual,Masseteric,Pterygomandibular,Superficia temporal, Deep temporal are :?

Low severity

Medium severity.

High severity

Diffuse abscess.

209. The following are high severity of cellulitis , except…?

Diffuse cellulitis

Subcutaneous abscess .

Ludwig’s angina

Lateral Pharyngeal Space Abscess, Retropharyngeal Abscess

210. The following are specific signs and symptoms of cellulitis , except…?

Redness(erythema) and swellin(edema)

Tenderness and pain

Bleeding

Warmth

211. The Goals of management of odontogenic infection is/are :?

Medical treatment.

Incision and drainage.

Aspirate the contents

Laser therapy.

212. How many types of localized odontogenic infection ?

Periapical Infections - infection at the apex of an abscessed tooth.

Periodontal Infections – soft tissue infection in the periodontal pocket from advanced periodontitis.

Pericoronal Infections – soft tissue infection around the crown of the unerupted or partially erupted tooth.

All are corrects.

213. Spread of pus inside tissues from the site of the initial lesion, inflammation may spread in many ways :?

by continuity through tissue spaces and planes

by way of the lymphatic system

by way of blood circulation

All are corrects

214. To drain pus from an abscess,the surgeon should :?

Penetrate into abscess cavity and probe with an artery to allow for flow of pus

Cut and eclipse from the abscess surface to allow for a drain

Aspirate the contents

Cut only the mucosa and skin

215. To drain pus from a submental abscess,the surgeon should :?

Cut and eclipse from the abscess surface to allow for a drain

Aspirate the contents

A horizontal incision should be placed 1–3 cm below the lower border of the mandible rather than the top of the swelling (abscess) to exploit gravity to encourage drainage.

Cut only the mucosa and skin

216. To drain pus from a submandibular abscess,the surgeon should :?

Cut and eclipse from the abscess surface to allow for a drain

The incision for drainage is performed on the skin, approximately 1 cm beneath and parallel to the inferior border of the mandible.

Aspirate the contents

Cut only the mucosa and skin

217. Treatment of choice to localized infection with pus is :?

Antibiotc administration

Establish drainage

Apply col to the area

Advise hot mouth washes

218. Among of the followinh which is treatment of choice for infection with fluctuation in an afebrile patient ?

Administration of antibiotics

Application of hot packs to the area

Incision and drainage

Antibiotics administration followed by I and D

219. Surgical blade used for drainage of abscess is :?

Blade No 12

Blade No 15

Blade No 11

Blade No 22

220. What is the most important and first step to treat acute infection?

Prescribe antibiotic

Prescribe analgesics

Incision and drainage of pus

All of the above

221. Which type of abscess that can cause airway obstruction?

Subcutaneous abscess

Ludwig’s Angina

Buccal abscess

Orbital cellulitis

222. In which case do you need to refer the patient to the hospital?

Localized infection

Ludwig’s Angina

Cavernous sinus thrombosis

Ludwig’s Angina and Cavernous sinus thrombosis

223. What is a dangerous infection with potentially serious complications ?

Buccal cellulitis

Sumandibular cellulitis

Orbital cellulitis.

Sublingual cellulitis

224. Ludwig`s angina was first described by :?

The German physician, Wilhelm Frederick von Ludwig in 1836.

Maxwell

Garre in the year 1893

Rene LeFort

225. The most common cause of cellulitis in face is :?

Dental carie

Pericoronitis and impacted teeth

Trauma trauma to the eyelid including bug bites, or a foreign object .

Antral infection

226. A diffuse inflammation of soft tissue that is not circumscribed is an :

Abscess

Granuloma

Swelling

Cellulitis

227. The most common micro-organisms associated with cellulitis is :?

Streptococci

Staphylococci

Actinomyces

Lactobacillus

228. A corne-shaped space infection involving inner canthus of eye is :?

Canine space

Buccal space

Parotid space

Palatal abscess

229. The incision technique of submandibular cellulitis the incision for drainage is performed on the skin, approximately :?

0,5 cm beneath and parallel to the inferior border of the mandible.

1 cm beneath and parallel to the inferior border of the mandible.

2 cm beneath and parallel to the inferior border of the mandible.

3 cm beneath and parallel to the inferior border of the mandible.

230. Surgical drainage for submental abscess is usually performed through a cutaneous Incision. A horizontal incision should be placed :?

0,5–1 cm below the lower border of the mandible

1-3 cm below the lower border of the mandible.

4 cm1 below the lower border of the mandible

5 cm below the lower border of the mandible

231. Ludwig's angina was first described by the German physician, Wilhelm Frederick von Ludwig :?

in 1836.

in 1928

in 1980

in 2000

232. What is the osteitis ?

Osteitis is an flammatory process within medullary (Trabecular) bone that involves the marrow spaces.

Osteitis is a painful swelling of the soft tissue of the mouth and face resulting from a diffuse spreading of purulent exudate along the facial planes that separate the muscle bundles.

Osteitis is an acute deep suppurative abcess of upper neck and perioral area.

Osteitis is a rare group of blistering autoimmune diseases.

233. The most common local causes of osteitis are :?

Apical infection

Localised pathological

Trauma

All as the above.

234. The following are general factors of osteitis, except…?

Radiation and fibrous dysplasia

Osteoparosis

Apical infection.

Diabetis,syphilis,tuberculosis

235. Classification of osteitis :

Acute and chronic osteitis .

Acute, subacute and chronic osteitis.

Low severity,mederate severity and high severity.

Close and open osteitis.

236. Purulent exudate ,fistula and sequestra are the signs of :?

Acute osteitis.

Chronic osteitis.

Orbital cellulitis

Sinusitis

237. Treatment of chronic osteitis :?

Incision and drainage.

Debridement -the removal of foreign material or devitalized tissue from the vicinity of a wound.

Sequestrectomy,Saucerization- an excavation of the tissue of a wound to form a shallow,saucelike depression.

Medical treatment.

238. Dry soket is also termed all except :?

Localized acute alveolar osteomyelitis

Acute suppurative osteomyelitis .

Alveolar osteitis

Alveolalgia

239. The following are frequency increases with dry socket , except…?

Age and smoking

Dental carie

Use of bur

Long surgeries with flap

240. The following are signs and symptom of dry socket , except…?

Increase in acute, throbbing pain after 48 hrs (2-5 days)

Pain may radiate to ear and analgesics ineffective

Sequestrum formation

Fetid odor

241. The treatment of dry socket :?

Curettage the socket and Irrigation with chlorhexidine

Place Alvogyl in the socket

Prescribe strong analgesics

All of the above

242. Squestrum is a :?

Necrotized bone

Newly formed bone

Vital bone

Reactive bone formation

243. Acute osteomyelitis in maxilla is :?

Localized

Diffuse

Widespread

None of the above

244. Patients who are at high risk for osteomyelitis include those who are :?

Poorly nourished and elderly

Obese and those with impaired immune system

Those receiving long-term corticosteroid therapy

All of the above.

245. The following are the signs and symptoms of osteomyelitis , except…?

Chill,high fever(40 C),rapid pulse,trismus and general malaise

As the infection progresses, the infected area becomes painful, mobility of teeth , swollen, and extremely tender.

Pus,fistula,sequestra(4-6 weeks),fetid odor and trismus

All of the above.

246. Radiographic imaging of osteomyelitis :

moth eaten r/lucency, I.e. irregular, ,patchy, ragget and poorly outline

Radiopaque sequestrae, I.e. Piece of necrotic bone

Evidence of involucrum surrounding area of destruction

All of the above.

247. The treatment of chronic suppurative osteomyelitis is :

Hyperbaric oxygen therapy

Sequestrectomy,saucerization and hyperbaric oxygen therapy

Sequestrectomy ,with hyperbaric oxygen therapy

Saucerization only

248. Chronic focal sclerosing osteomyelitis is also known as :

Perosteitis ossificans

Condensing osteitis

Garre`s osteomyelitis

Alveolar osteitis

249. Garre`s osteomyelitis was first described by Garre in the year :

1873

1883

1893

1903

250. A focal gross thickening of the periosteum with peripheral bone formation is :

Chronic osteomyelitis

Condencing osteitis

Garre`s osteomyelitis

Periostitis

251. Inflammatory cells seen chiefly in acute suppurative osteomyelitis histology are :

Plasmacells

Lymphocytes

Monocytes

Neurophilic PMNL`s

252. After decortication of mandible in osteomyelitis,closed irrigation suction and/or placement of antibiotic is done for a period of :?

5-7 days

7-10 days

10-14 days

14-20 days

253. Decortication of the mandible for the treatment of osteomyelitis was described by ;

Maxwell

Mowlem

Mader

Michellin

254. For a patient of osteomyelitis who is allergic to penicillin,all of the following drugs are recommended as 2nd and 3rd choices except :?

Clindamycin

Cephalosporin

Erythromycin

Sulfa drugs

255. Radiographic characteristics of osteomyelitis were described by :

Wilson

Worth

Wright

Williams

256. Radiolucencies due to spreading infection of osteomyelitis:

moth eaten r/lucency, I.e. irregular & poorly outline

Radiopaque sequestrae, I.e. Piece of necrotic bone

Patchy,ragget & ill define radiolucency

All of the above.

257. All of the following are true about osteomyelitis of the mandible, except :?

Symphysis is more commonly involved than angle

Ramus is more commonly involved than symphysis

Body is more commonly involved than symphysis

Angle is more commonly involved than condyle

258. Osteomyelitis of the jaws is primarily caused by :

Peptostreptococcus

Prevotella (Bacteroids)

Streptococcus sp

Vincent`s organism

259. The most common organisms isolated from primary hematogenuos osteomyelitis of long bones in adult :?

staphylococcus sp

E.coli

Salmonella typhi

Pneumococcus

260. What is sinusitis ?

Sinusitis is a flammation of medular bone.

Sinusitis is a painful swelling of the soft tissue of the mouth and face resultating from a diffuse spreading of purulent exudate along the facial planes that separate the muscle bundles.

Sinusitis is an inflammatory of the mucosa of the sinus.

Sinusitis is an infection of sinus bone

261. The following are the blood supply to the mucous membrane of sinus ,except….?

External Carotid artery.

Facial and maxillary arteries.

Facial ,maxillary and infraorbital arteries

Facial ,maxillary , infraorbital arteries and greater palatine arteries.

262. The following are the nerve supply to the mucous membrane of sinus , except…?

Facial nerve.

V1 of trigeminal nerve or Nerve ophthalmic.

V2 of trigeminal nerve or superior dental nerve and the greater palatine nerve.

V3 of trigeminal nerve or Inferior alveolar nerve.

263. I health,the thickness of sinus lining from :?

0,1-0,2 mm thick(on CT)

0.3 - 2 mm thick.

3-4 mm thick

5-6 mm Thick

264. The following are the function of maxillary sinus,except…?

No special function is necessary.

Lighten head, phonetic resonance and auditory feedback

Insulation,air conditioning, water conservation,olfaction,

Strengthen area against trauma and protect eyes and nasal cavity

265. Radiography for sinusitis are :?

Periapical radiograph

PA projection

OPG ,Water views or CTScan.

Occlusal views

266. Indication of Caldwell Luc procedure ?

Acute sinusitis

Subacute sinusitis

Chronic sinusitis

Treatment of chronic maxillary sinusitis not responding to conservative medications.

267. The following are contraindication for Caldwell-luc procedure,except…

Age < 3 Yrs

Age >18 Yrs

Trauma to maxillary sinus or fracture of antral floor.Acute maxillary sinusitis untreated by antibiotics

Diagnosis of maxillary antral hematoma.

268. Caldwell-Luc may be performed under :

Topical anesthesia only

Infiltration anesthesia only

Regional block with infiltration anesthesia or general anesthesia.

Medical drug

269. Flap disign for antral closure of Oroantral Communication :

Vestibular flap,palatal flap,bridge flap and fat pad flap.

Triangula flap

Trapezoid flap

Semi-lunar flap

270. The volume of maxillary sinus is :

15-30 ml

10 ml

40 ml

50 ml

271. Maxillary sinus is also known as :

Paranasal sinus

Antrum of Highmor

Antrum of Keith

No other name

272. The best view for maxillary sinus is :?

Town`s view

Occlusal view

PA view in waters`s position and OPG

Lateral view of skull

273. A small opening is made into the maxillary antrum during extraction, immediate treatment is :?

Phack the socket with gauge

Allow the clot to form No special treatment is necessary

Place the patient on antibiotics

Rise a big mucoperiosteal flap and close the antrum

274. How to diagnose an Oro-antral fistula?

Squeeze patient nose & ask to strongly blow to see air bubble

Insert a large needle into fistula & take X-ray

Use the probe to explore the fistula

None of the above

275. The following are the signs and symptoms of newly created oro-antral fistula,except…

Antral floor attached to roots apices of extracted tooth or teeth.

Fracture of the alveolar process or the tuberosity and bubbling of blood from the socket or nostril.

Dry shcket.

Change in speech tone or resonance and radiographical evidence of sinus involment

276. When the sinus disease is caused by an oroantral communication,typically close spontaneously,if defects less than :?

< 5mm

< 7 mm

< 9 mm

<10 mm

277. <>procedure is done to :

Visualize the antrum from oral cavity

Visualize the antrum from nasal cavity

To establish drainage through nasal cavity

To pack the maxillary antrum

278. Acute maxillary sinusitis :

Results in referred pain to a single tooth

Results in referred pain to the orbit and maxillary posterior tooth

Is exacerbated by cold history

Is usually a non-infection process

279. Surgical treatment of sinusitis is :?

Antral irrigation

Caldwell-Luc procedure

Antrostomy

Enucleation

280. A tooth displaced into maxillary antrum can be removed by :?

Caldwell-luc procedure

Transalveolar extraction

Bergers`s method

Intranasal antrostomy

281. The other name of maxillary sinus is :?

Antrum of Highmore

Antrum of Denver

Antrum of Khnopfleer

Antrum of Wilson

282. The base of the maxillary sinus is formed by the :?

Zygomatic bone

Orbital floor

Hard palate

Lateral wall of the nose

283. The shape of the adult maxillary sinus is :?

Rhomboid

Trapezoid

Rectangular

Pyramidal

284. The incidence of oro-antral fistulae is less in :?

Children and young adults

Midle aged adults

Elderly

All of the above

285. The apex of the maxillary sinus faces the :

Nasal bone

Floor of the orbit

Palate

Zygomatic process of the maxilla

286. Inflammation of most or all para nasal sinuses simultaneously is described as :?

Pan sinusitis

Sinusitis

Para nasal sinusitis

Sinus thrombosis

287. Maxillary sinus infection of odontogenic origin is most commonly caused by :?

Aerobic bacteria

Anaerobic bacteria

Fungal

Viral

288. Classification of maxillary fracture by location :?

Close Fracture and open Fracture

Le Fort I,Le Fort II and Le Fort III Fractures.

Nasal Fracture and Zygomatic Complex Fracture.

Pan facial or split palate

289. All of the following are signs and symptoms of dento-alveolar fractures, except :?

Pain ,paraesthsia ,stepped deformity alveolar bone and palpable fracture

Lacerations / bruising / haematoma of mucosa or gingiva and Visible fracture line

Through torn mucosa

Teeth – missing, avulsed, fractured , unusual mobility of teeth/bone

Loos of consciousness.

290. What are components of NOE Fracture ?

frontal bone,nasal bone, maxillary bone.

frontal bone,nasal bone, maxillary bone, lacrimal bone.

frontal bone,nasal bone, maxillary bone, lacrimal bone, ethmoid bone and sphenoid bone.

Nasal bone,eth moid bone and sphenoid bone.

291. What are components of Zygomatic complex Fracture ?

Zygomatic bone,Frontozygomatic bone and Zygomatic arch.

Zygomatic bone,Frontozygomatic bone , Zygomatic arch,Orbital rim.

Zygomatic bone,Frontozygomatic bone ,Zygomatic arch,Lateral orbital rim,infraorbital rim,orbital floor, anterior and lateral maxillary sinus.

Zygomatic bone,Frontozygomatic bone and Zygomatic arc

292. What is the treatment of Zygomatic Complex Fracture ?

MMF or IMF Technique

Trans osseous wiring

Trans osseous wiring and Mini bone plates.

Reduction alone and reduction &fixation.

293. Classification of mandibular fracture by type :?

Close and open fracture.

Simple Fx,compound Fx,comminuted Fx,greenstick Fx,Complex Fx,telescoped or impacted Fx.

Dentoalveolar Fx,symphysisFx,parasymphysis Fx,body Fx,angle Fx,coronoid Fx,condyle Fx.

Class I ,Class II ,Class III

294. Classification of mandibular fracture by location :?

Close and open fracture.

Simple Fx,compound Fx,comminuted Fx,greenstick Fx,Complex Fx,telescoped or impacted Fx.

Dentoalveolar Fx,symphysisFx,parasymphysis Fx,body Fx,angle Fx,coronoid Fx, condyle Fx.

Class I ,Class II ,Class III

295. All of the following are various indications of body fractures ,except:?

The patient need the rehabilitation of function, esthetic and easy for reduction and fixation (24 - 48 h after accident ).

The patient is stable enough to undergo the needed treatment

Hemorrahagie disturbances

To avoid of complication such as cellulitis,osteitis , malocclusion or pseudatrose.

296. All of the following are various contra-indications of body fractures ,except:?

The patient is not stable enough to undergo the needed treatment and no cooperation.

Away obstruction, hemorrhagie disturbances and no soft tissue to cover fracture site

Severe comminution, stabilization not possible and bone at fracture site diffusely infected

Soft tissue injury : lacerations,abrasions and ecchymosis.

297. All of the following are various signs and symptoms of fractures of facial bone ,except:?

Facial asymmetry

Swelling,bleeding,nerve injury and trismus

Deranged occlusion

Pseudatrose

298. What is treatment of compound Fx ?

MMF Technique.

Trans osseous wiring

Trans osseous wiring and Mini bone plates.

External fixation.

299. When we can remove MMF from the mouth of the patient ?

2 weeks

4-6 weeks .

10 weeks

3 months

300. How we can treat simple fractures or intracapsular fracture of condyle ?

MMF Technique.

Osteosynthesis

Bandage

Dental wiring.

301. The treatment compound fractures of condyle :?

MMF Technique

Osteosynthesis by ORIF .

Bandage

External fixation.

302. The treatment for Edentulous patient :?

MMF Technique

Osteosynthesis

Gunning’s splint.

Gunning`s splint or Osteosynthesis.

303. The muscles that aid in displacement of maxillary fractures are :?

Masseter

Temporalis

Upper part of orbicularis and lower part of orbicularis occuli

None of the above

304. A fracture mandible should be immobilized an everage of :?

3 weeks

6 weeks

9 weeks

12 weeks

305. Fracture of mandible all are true except :

Fractures of the mandible are common at the angle of the mandible

Fractures of the mandible are effected by the muscle pull

Fractures of the mandible are usually characterized by sublingual hematoma

C.S.F. Rhinorrhea is a common finding

306. The ideal treatment for fracture of the angle of mandible is :?

Transosseous wiring

Intermaxillary fixation

Plating on the lateral side of the body of the mandible

Plating at the inferior border of the mandible

307. Most common complication of condylar injuries in children :?

Pain

Ankylosis

Osteoartrhitis

Fracture of glenoid fossa

308. Primary healing of a mandibular fracture is seen following fixation with :?

Gunning splints

Compression plates

Trans-osseous wires

Champy plates

309. In the maxilla,a compression plate can be safely applied along the :

Infraorbital margin

Anterolateral wall of the maxillary sinus

Frontozygomatic suture

Zygomaticomaxillary suture

310. To provide absolute stability of the fracture ends by a compression bone plate, the minimum number of screws that have to be placed on both side of the fracture line is :?

Six

Two

Three

Four

311. After extraction of maxillary first molar,a communication is found between the palatal socket and a disease of free maxillary sinus which measure 0.2 cm.The best treatment is :?

Allow the clot to form advice proper home care

Primary closure and antihistamine

Gold foil closure

Caldwell-Luc operation

312. True open bite is caused by :?

Horizontal fracture of the maxilla

Unilateral fracture of mandibular angle

Fracture of the coronoid process of left side of mandible

Fracture of mandibular symphysis

313. In depressed zygomatic arch fracture, difficulty in opening the mouth is caused by impingement of:?

Condyles

Ramus

Petrous temporal

Coronoid process

314. Which is the immediate danger to a patient with severe facial injuries :?

Bleeding

Associated fracture spine

Infection

Respiratory obstruction

315. Le fort 1 fracture is characterized by:?

Bleeding from the ear

Bleeding from the antrum

Angle class 2 skeletal relationship

None of the above

316. Suturing in facial wound injuries should be done with in:?

2 hours

6 hours

4 hours

8 hours

317. Paresthesia is seen with which of the following types of fractures:?

Subcondylar

Zygomatico maxillary

Coronoid process

Symphyseal

318. Forceps used for maxillary fracture disimpaction?

Rowe's

Bristows

Ashs

Walshams

319. A patient is in shock with gross comminuted fracture, immediate treatment is to give :?

Normal saline

Ringer's lactate solution

Whole blood

Plasma expanders

320. Walsham's forceps are used to :?

Remove teeth

Remove root

Clamp blood vessels

Reduce nasal bone fractures

321. "Panda facies" is commonly seen after?

Le fort I fractures

Le fort II fractures

Mandible fractures

None of the above

322. CSF rhinorrhea is not found in?

Lefort 1

Lefort II

Lefort III

Ethmoidal

323. Gillis approach for reduction of zygomatic fractures is done through :?

Temporal fossa

Intra temporal fossa

Infra orbital fossa

All of the above

324. Which of the following is not a feature of Le Fort II fracture :

Enophthalmos

Malocclusion

Paraesthesia

CSF rhinorrhea

325. The first step in management of head injury is :

Secure airway

I.V. mannitol

I.V. dexamethasone

Blood transfusion

326. CSF rhinorrhea is found in :

Frontal bone structure

Zygomatico maxillary fracture

Naso ethmoidal fracture

Condylar fracture

327. Le Fort III fracture is the same as :?

Craniofacial dysjunction

Guerrin's fracture

Pyramidal fracture

None of the above

328. Fixation with pack in maxillary sinus is :?

To support comminuted fracture of the body of zygomatic complex

To support and reconstitute comminuted orbital floor fracture

To protect mucosal covering of maxillary sinus

All are corrects

329. Floating maxilla is typically found in :?

Le Fort I or guerin fractures

Le Fort II or pyramidal fractures

Craniomandibular dysjunction

All of the above

330. In a patient of head injury which is more important to note first:?

Pupillary light reflex

Pupillary size

Corneal reflex

Ability to open eye

331. Which of the following always indicates obstruction to the airway?

Slow pounding pulse

Stertoreous breathing

Increase in pulse rate

Decrease in blood pressure

332. Moon face is seen in?

Le Fort I

Le Fort II

Le Fort III

Orbital fractures

333. In blow out fractures which of the following is seen?

Enophthalmos

Exophtholmos

Bulbar hemorrhage

None

334. Diplopia after fracture results from entrapment of?

Inferior rectus

Inferior oblique

Lateral rectus

Superior oblique

335. In Le Fort III fracture all are seen except?

Crack pot sound on tapping teeth

CSF rhinorrhea

Fracture at frontozygomatic suture

Whole face is mobile

None of the above

336. The muscle that aids in displacement of maxillary fractures are?

Masseter

Temporalis

Orbicularis oculi and orbicularis oris

None of the above

337. What is the name of the fracture that is clinically detected by tugging on the maxilla/hard palate causing the nose to move.?

le fort 1

le fort 2

le fort 3

le fort 4

338. Which facial view x-ray is the best for examining the orbits and midface?

OPG

Waters or occipitomental

Caldwell or PA view

Submental vertex

Towne

339. A tripod fracture involves what?

It is another word for le fort fracture

Zygomaticotemperal and zygomatico frontal suture diastasis and inferiororbital rim fracture

Fracture through maxilla, zygomatic arch and nasal bones

Fracture through neck angle and body of the mandible

340. What is nonrigit fixation ?

Open reduction and fixation of fractures using plates and screws

Open reduction and fixation of fractures using wires

Close reduction and fixation of fracture using ligature Ivy

Close reduction and fixation of fracture using Arch Bars & wire

341. What is rigit fixation ?

Open reduction and fixation of fractures using plates and screws

Open reduction and fixation of fractures using wires

Close reduction and fixation of fracture using ligature Ivy

Close reduction and fixation of fracture using Arch Bars & wire

342. Which part of the mandible is fractured the most frequently in trauma?

Condyle

Ramus

Body

Symphysis

343. Maxillary sinus is usually involved in fractures:?

Le fort 1

Zygomatic arch fracture

Le fort 3

Nasoethmoidal fracture

344. If a fracture of jaw bone is communicated to external environment ,it is called :?

Comminuted fracture

Compound fracture

Simple fracture

Transverse fracture

345. Le fort 3 fracture is also called :?

Horizontal fracture

Pyramidal fracture

Transverse fracture

Green stick fracture

346. Goals of Maxillomandibular Fixation (MMF) :?

Restore occlusion

Reduction of fracture segments

Stabilization of fracture segments

All of the above

347. During the Gillies approach,the structure of anatomic significance is :?

Superficial temporal artery

Marginal mandibular nerve

Internal jugular vein

Inferior alveolar nerve

348. An unfavorable displaced fracture of the mandibular angle is difficult to treat because of :?

Muscle pull causes distraction

Malocclusion secondary to the injury

Injury to nerves and vessels

Bone in that region is very thick

349. Among the following which may produce respiratory obstruction ?

Bilateral condylar fracture

Symphysis fracture of the mandible

Bilateral fracture of mandible in the second premolar area

Fracture of the angle of the mandible

350. In a patient with bilateral dislocated fractures of the neck of the mandibular condyles one can expect the following clinical signs :?

Anterior open bite

Inability to protrude the mandible

Inability to bring posterior molars into contact

Anterior open bite and Inability to protrude the mandible

351. Of the following which facial bone is most frequently fractured ?

Mandible

Maxilla

Nasal

Zygomatic

352. Which of the following is complication often open fracture ?

Malunion

Nonunion

Infection

Crepitation

353. Principles in treatment fractures include :

Reduction of fracture

Fixation of fracture and restoration of occlusion

Immmobilisation

All of the above

354. Depressed fracture of the zygomatic area may be clinically recognized by :?

Concavity of the overlaying tissue in the zygomatic arch area

Interference with movements of the mandible

Subluxation of condyles

Concavity of the overlaying tissue in the zygomatic arch area and Interference with movements of the mandible

355. Which of the following is characteristic of lefort fracture ?

CSF rhinorrhea

Bleeding from the ear

Bleeding into antrum

CSF rhinorrhea and Bleeding from the ear

356. After a depressed fracture of zygomatic arch mandibular movement is restricted The most probable reason is :?

Disruption of TMJ

Spasm of the lateral pterygoid muscle

Mechanical impingement of the fracture fragment on the coronoid process

Splinting action of masseter and medial pterygoid muscle

357. Among the following which is compound fracture ?

Fracture with many small fragments

Fracture in a star shaped appearance

Fracture with communition with the oral cavity

Fracture with bleeding into the masticator space

358. The mini-bone plate system is a :?

Compressive bone plating system

Monocortical system

Bicortical system

None of the above

359. The minimum number of miniplates required in fractures anterior to canine in mandible is:?

No plate is required since anterior region develops less amount of tension forces than in molar region

Only one plate as in molar region

Two plates

Three plates

360. Minimum number of screw required for fixation of miniplate are :?

One screw on each side of fracture site

Two screws on each side of fracture site

Three screws on each side of fracture site

Two screws in small fragment and three screws in large fragment

361. Risdom wiring is indicated for :?

Body fracture

Angle fracture

Symphysis fracture

Subcondylar fracture

362. The most common complication of maxillofacial injuries requiring immediate attention is:?

Haemorrhage

Airway obstruction

Infection

Shock

363. The Gillies approach is used to gain acess to the following bone :?

Nasal bone

Zygomatic bone

Maxilla

Temporal bone

364. While doing circumferential wiring around a mandibular Gunning splint, care most be taken not to damage the :?

Mandibular branch of the facial nerve

Facial artery as it crosses the anteroinferior of the masseter

The lingual nerve

The submsndibular gland and its duct

365. The elastic traction used commonly to reduce facial fractures,does so by overcoming :?

The active mascular pull that distracts the fragments

The organized connected tussue at the fracture site

The malposion caused by the direction and force of trauma

All of the above

366. Panda facies is commonly seen after :?

Le fort 1 fractures

Le fort 2 fractures

Zygoatic arch fractures

Orbital blow-out fractures

367. A subconjunctival haemorrhage remains bright red in colour for a long time because of the:?

Permeability of the conjunctiva to oxygen

Natural colour of blood

Lack of drainage of the pooled blood

None of the abov

368. The following fracture is usually pyramidal in shape :?

Le firt I fracture

Le fort II fracture

Le fort III fracture

Mandibular symphysis fracture

369. Cranio facial disjunction commonly occurs in :?

Le fort I fracture

Le fort III fracture

Mandibular symphysis fracture

Mandibular condyle

370. Gilli`s approach is :

Used to block inferior alveolar nerve

Used to reduce the fractured zygoma

Placed just anterior to the ear

One of the frequent approach for condylar surgery

371. Contraindications of close reduction are :?

Alcoholic and siezure disorder

Mental retardation and nutritional concerns

Respiratory diseases(COPD) and unfavorable fractures

All of the above

372. Indications of close reduction are :?

Nondisplaced favorable fractures

Mandibular fractures in children with developing dentition.

Condylar fractures(intracapsular fracture )

All of the above

373. Indications of open reduction are :?

Unfavorable/unstable mandibular fractres/Multiple fractures of the facial bones

Fractures of an edentulous mandibule fracture with severe displacement and malunion

Delayed treatment with interposition of soft tissue that prevents closed reduction techniques to reapproximate the fragments

All of the above

374. Indication of Transosseous wiring :?

Control of edentulous posterior fragment and edentulous mandibular fractures

Grossly comminuted fractures

Control of lower border when upper border has been fixed by conventional methods

All of the above

375. The treatment goals of condylar fractures:?

To restore mandibular function, occlusion, prevent growth disturbances, and maintain symmetry

Must avoid ankylosis

Use short periods of IMF (7-14 days), then jaw opening exercises; in children under 3 years, immediate function necessary to prevent ankylosis

All of the above

376. Which methods of treatment are appropriate for reduction of a fractured mandibular angle in a dentate patient :?

Intramaxillary fixation(IMF) using eyelet wires

IMF using arch bars

Mini bone plates

IMF using K-wires

377. Subconjunctival bleed with no posterior border indicates fracture of which bone:?

Maxilla

Mandible

Zygoma

Nasal

378. The weakest part of mandible where fracture occurs :?

Neck condyle

Angle of mandible

Canine fossa

Midline

379. The most common fracture of face is that of :?

Mandible

Maxilla

Zygoma

Nasal bone

380. Sinus disease is best demonstrated by :?

CTscan

Plain X-ray

Tomography

Ultrasound

381. Nasal pyramid consist of :?

Nasal bones and Nasal septum

Frontal processes of maxilla

Lateral cartilages

All the above

382. Diplopia is caused by:?

Hematoma or edema arround extraoccular muscle

Neuromuscular injury

Disruption of attachment of inferior rectus or inferior oblique muscle

All the above

383. Signs and Symptoms of LeFort I fracture :?

Damaged teeth and soft tissues,swelling and bruising and deformity of alveolus

Crepitus over maxilla,ecchymosis in buccal vestibule and epistaxis

Malocclusion,maxilla mobility or Independent movement of fragments,altered sensation

All of the above

384. Signs and Symptoms of LeFort II fracture :?

Midface crepitus,face lengthening and anterior open bite

Malocclusion, mobility of maxilla,bilateral epistaxis and infraorbital paresthesia

Ecchymoses: buccal vestibule, periorbital, subconjunctival ,orbital rim defects and paraesthesis (infra-orbital nerve)

All of the above

385. Signs and Symptoms of LeFort III fracture :?

Bilateral periorbital edema , ecchymosis,step deformity palpated infraorbital, nasofrontal area and infraorbital paresthesia

Bilateral epistaxis,often medial canthal deformity,often unequal pupil height,face lengthening: “caved-in” or “donkey face”

Malocclusion: “open bite”,lateral orbital rim defect and ecchymoses: periorbital, subconjunctival

All of the above

386. LeFort Fractures were described by :?

Wilson

Rene LeFort,1901.

Knight and North

Williams

387. The coronal or bi-temporal approach is used to expose :?

The anterior cranial vault

The forehead

The apper and middle regions of the facial skeleton.

All of the above

388. Clinical sign that is always positive in fracture is

Crepitus

Tenderness

Abnormal mobility

All of the above

389. The most (common ) sign mandibular fracture is :

Malocclusion

Trismus

Deviation of the jaw on opening

Paraesthesia of the mental nerve

390. Which of them is not rigid osteosynthetic fixation?

Osteosynthesis

Microplating

Screw plating

Wiring

391. Treatment of choice of a linear non-displaced fracture of the body of the mandible, with full compliment of teeth is ?

Kirschner wire

Circumferential wiring

External pin fixation

Interdental fixation

392. Which of the following condition is associated with anterior open bite

Unilateral condylar #

Bilateral condylar #

Maxillary fractures

Coronoid fracture

393. Fracture of mandible not involving dental arch is treated by :?

Open reduction

Closed reduction

No treatment required

None of the above

394. In case of sub condylar fracture, the condyle move in?

Anterior - lateral direction

Posterior - medial direction

Posterior- lateral direction

Anterior-medial direction

395. A 7-year-old boy presented with fracture of left subcondylar region with occlusion undisturbed, the treatment would be?

Immobilization for 7 days

Immobilization for 14 days with intermittent active opening

No immobilization with restricted mouth opening for 10 days

No immobilization and active treatment

396. Facial fractures are diagnosed from :?

The history

Physical examination

Radiographs

All of the above

397. Le Fort I fracture is :?

above the level of teeth

at level of nasal bones

at orbital level

at level of zygomatic bone

398. Le Fort II fracture is :?

Transverse maxillary

Pyramidal

Craniofacial Disjunction

All of the above

399. Le Fort III fracture is :?

Subzygomatic fracture

Subzygomatic pyramidal

Suprazygomatic

All of the above

400. What are the singns and symptoms of Lefort I fracture ?

Damaged teeth and soft tissues

Deformity of alveolus and altered sensation

Malocclusion and crepitus over maxilla

All as the above

401. What can be the signs and symptoms of le fort II fracture? Choose all that apply. ?

Bilateral epistaxis,open bite and face lengthening

Ecchymoses: buccal vestibule, periorbital, subconjunctival

Malocclusion, mobility of maxilla

All as the above

402. Which of the following is the cause of fracture of facial bone ?

Motor vehicle accidents

assault

Sport and gunshots wounds

All are correct.

403. The following are the treatments of close reduction , except…?

Ivy loop wiring and continuous loop wiring

Maxillo-mandibular fixation (MMF)

Inter-maxilla fixation (IMF)

Bone plating

404. All of the following are various surgical approaches for condylar fractures ,except:?

Submandibular (Risdom`s ) approach -(Neck condyle)

Postauricular approach and endaural approch–(Excellent cosmesis)

Preauricular approach

IMF

405. All of the following are indication for nonsurgical treatment or close reduction of condylar process fractures ,except:?

Split condylar head

Intracapsular fracture

Extracapsular fracture

Small fragments from comminuted condyle

406. All of the following are absolute indication for surgical treatment or open reduction of condylar process fractures ,except:?

Displacement of condyle into middle cranial fossa

Intracapsular fracture

Impossibility for restoring occlusion

Lateral extracapsular displacement

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