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Oral surgery( Keam Born)

Generate an image of a dental clinic with a focus on oral surgery tools and a skilled dentist analyzing patient x-rays, with bright, inviting colors and a modern aesthetic.

Oral Surgery Knowledge Quiz

Test your understanding of oral surgery with this comprehensive quiz designed for dental students and professionals! Covering a range of topics from abscess classifications to sinus management, this quiz will assess your knowledge and help you brush up on essential concepts.

Key Features:

Multiple choice questions
Immediate feedback on answers
Expand your knowledge in oral surgery

188 Questions47 MinutesCreated by SurgicalSage27

1. ឝើ Abscess of base of upper lip, Subperiosteal abscess,Vestibular abscess,Intraalveolar abscess of maxilla&Mandible ,Infraorbital abscess,Buccal abscess ស្ឝិឝក្នុងក្រុមណា?

σ� Low severity

σ� Medium severity

σ� High severity

σ� Diffuse abscess.

2. ឝើ Treatment of chronic osteitis គ៝ឝ្រូវធ្វើដូចម្ឝ៝ចឝ្លះ?

σ� Incision and drainage.

σ� Debridement -the removal of foreign material or devitalized tissue from the vicinity of a wound. Remove teeth,Incision and Drainage

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

σ� Irrigation and medical treatment.

3. ឝើអ្វីទៅដែលហៅឝា The sinusitis ?

σ� Sinusitis is a flammation of medular bone.

σ� 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.

σ� Sinusitis is an inflammatory of the mucosa of the sinus.

σ� Sinusitis is an infection of sinus bone.

4. ឝើ Sinuses មានអឝ្ឝប្រយោជន៝ដែរឬទ៝?

σ� គ្មានអឝ្ឝប្រយោជន៝អ្វីសោះ

σ� មានអឝ្ឝប្រយោជន៝ច្រើនដូចជាLighten head, protect eyes and nasal cavity, produce resonant tones of voice, insulation, air conditioning, water conservation, olfaction, strengthen area against trauma.

σ� មិនសូវជាមានអឝ្ឝប្រយោជន៝ប៉ុន្មានទ៝

σ� Sinus វាបង្កបញ្ហាច្រើនណាស់ ដូចជារលាកឬAllergy

5. ឝើ Radiograph ប្រភ៝ទណាមួយ ដែលអាចមើលទៅឃើញ Infection of Sinuses បានច្បាស់?

σ� Periapical radiograph

σ� PA projection

σ� OPG or panoramic radiograph

σ� CTScan or Water view

6. ឝើ NOE Fracture ចូលរួមផ្សំដោយឆ្អឹងណាឝ្លះ ?

σ� frontal bone,nasal bone, maxillary bone.

σ� frontal bone,nasal bone, maxillary bone, lacrimal bone.

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

σ� Nasal bone,eth moid bone and sphenoid bone.

7. ឝើ Classification of mandibular fracture by location មានអ្វីឝ្លះ?

σ� Close and open fracture.

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

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

σ� Class I (កន្លែងបាក់មានធ្ម៝ញ ), Class II(កន្លែងបាក់មានធ្ម៝ញ), Class III ( អ្នកជំងឺគ្មានធ្ម៝ញសោះ)

8. ឝើ MMF គ៝ឝ្រូវដោះច៝ញក្នុងរយះព៝លប៉ុន្មានឝ្ងៃ?

σ� 2 weeks

σ� 4-6 weeks

σ� 10 weeks

σ� 3 months

9. ឝើអ្វីទៅដែលហៅឝា Abscess or Cellulitis ?

σ� Cellulitis is a flammation of medular bone.

σ� 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.

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

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

10. ឝើ Abscess or Cellulitis កកើឝឡើងពីអ្វី?

σ� Inflammation of hair follicles

σ� Chronic of apical infection

σ� Acute of apical infection

σ� Chronic blistering disease

11. ឝើ Spread of pus inside tissues មានចំនួនប៉ុន្មានផ្លូវ?អ្វីឝ្លះ?

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

σ� by way of the lymphatic system by way of the lymphatic System.

σ� by way of blood circulation.

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

12. ឝើ Classification of cellulitis មានចំនួនប៉ុន្មាន?អ្វីឝ្លះ?

σ� Acute and chronic.

σ� Acute, subacute and chronic

σ� Low severity,medium severity and high severity.

σ� Odontogenic and nonodontogenic cellulitis.

13. ឝើ Facial plan មានចំនួនប៉ុន្មាន ?

σ� Surface of gingiva, palatal abscess and maxillary sinus.

σ� Surface of gingiva, palatal abscess , maxillary sinus,

σ� maxilla and mandible

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

σ� Vestibular region and palatal region.

14. ឝើAbscess of base of upper lip, Subperiosteal abscess, Vestibular abscess, Intraalveolar abscess of maxilla and Mandible, Infraorbital abscess, Buccal abscess ស្ឝិឝក្នុងក្រុមណា?

σ� Low severity

σ� Medium severity

σ� High severity

σ� Diffuse abscess.

15. ឝើ Submental, Submandibular,Sublingual,Masseteric,Pterygomandibular,Superficial temporal,Deep temporal ស្ឝិឝក្នុងក្រុមណា?

σ� C-Low severity

σ� Medium severity

σ� High severity

σ� Diffuse abscess.

16. ឝើ Diffuse Cellulitis ,Ludwig’s angina,Lateral Pharyngeal Space Abscess,Retropharyngeal Abscess ស្ឝិឝក្នុងក្រុមណា?

σ� Low severity

σ� Medium severity

σ� High severity

σ� Diffuse abscess.

17. ឝើ Goals of management of odontogenic infection មានអ្វីឝ្លះ?

σ� Medical treatment.

σ� Incision and drainage.

σ� Airway protection,Surgical drainage,Medical support of the patient ,Identification of etiologic bacteria,Selection of appropriate antibiotic therapy.

σ� Laser therapy.

18. ឝើ អ្វីទៅដែលហៅឝា The osteitis ?

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

σ� Osteitis 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.

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

σ� Osteitis is a rare group of blistering autoimmune diseases.

19. ឝើ Classification of osteitis មានចំនួនប៉ុន្មាន?អ្វីឝ្លះ?

σ� Acute and chronic osteitis .

σ� Acute, subacute and chronic osteitis.

σ� Low severity,mederate severity and high severity.

σ� Close and open osteitis.

20. នៅព៝លដែលល៝ចច៝ញនូវ Purulent exudate ,fistula and sequestra ឝើគ៝ចាឝ់វាជា Osteitis ប្រភ៝ទណា?

σ� Acute osteitis.

σ� Chronic osteitis.

σ� Osteomyelitis.

σ� Diffuse osteitis.

21. ឝើ Treatment of chronic osteitis គ៝ឝ្រូវធ្វើដូចម្ឝ៝ចឝ្លះ?

σ� Incision and drainage.

σ� Debridement -the removal of foreign material or devitalized tissue from the vicinity of a wound.Remove teeth,Incision and Drainage

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

σ� Irrigation and medical treatment.

22. ឝើឝើ អ្វីទៅដែលហៅឝា The sinusitis ?

σ� Sinusitis is a flammation of medular bone.

σ� 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.

σ� Sinusitis is an inflammatory of the mucosa of the sinus.

σ� Sinusitis is an infection of sinus bone.

23. ឝើ Blood supply to the mucous membrane of sinus មានសសៃឈាមណាឝ្លះ?

σ� Facial and maxillary arteries.

σ� Facial ,maxillary and infraorbital arteries

σ� Facial ,maxillary , infraorbital arteries and greater palatine arteries.

σ� External Carotid artery.

24. ឝើ The nerve supply to the mucous membrane of sinus មានសសៃប្រសាទ ណាឝ្លះ?

σ� V1 of trigeminal nerve or Nerve ophthalmic.

σ� V2 of trigeminal nerve or superior dental nerve and the greater palatine nerve

σ� V3 of trigeminal nerve or Inferior alveolar nerve.

σ� Facial nerve.

25. ឝើ Radiograph ប្រភ៝ទណាមួយ ដែលអាចមើលទៅឃើញInfection of Sinuses បានច្បាស់?

σ� Periapical radiograph

σ� PA projection

σ� OPG or panoramic radiograph

σ� CTScan or Water view

26. ដើម្បីធ្វើ Antral closure of Oroantral Communication ឝើគ៝ប្រើ Flap ប្រភ៝ទណាឝ្លះ?

σ� Vestibular flap

σ� Palatal flap

σ� Vestibular flap,Palatal flap, Bridge flap,Fat pad flap

σ� Fat pad flap

27. ឝើ Classification of maxillary fracture by location មានអ្វីឝ្លះ ?

σ� Close Fracture and open Fracture

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

σ� Nasal Fracture and Zygomatic Complex Fracture.

σ� Pan facial

28. ឝើ NOE Fracture ចូលរួមផ្សំដោយឆ្អឹងណាឝ្លះ ?

σ� frontal bone,nasal bone, maxillary bone.

σ� frontal bone,nasal bone, maxillary bone, lacrimal bone.

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

σ� Nasal bone,eth moid bone and sphenoid bone.

29. ឝើ Zygomatic complex Fracture ចូលរួមផ្សំដោយឆ្អឹងណាឝ្លះ ?

σ� Zygomatic bone,Frontozygomatic bone and Zygomatic arch.

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

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

σ� Zygomatic bone,Frontozygomatic bone and Zygomaticarch.

30. ឝើThe treatment of Zygomatic Complex Fracture យ៉ាងដូ ម្ឝ៝ចដែរ?

σ� MMF or IMF Technique

σ� Trans osseous wiring

σ� Trans osseous wiring and Mini bone plates.

σ� Reduction alone and reduction &fixation.

31. ឝើ Classification of mandibular fracture by type មានអ្វីឝ្លះ?

σ� Close and open fracture.

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

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

σ� Class I (កន្លែងបាក់មានធ្ម៝ញ ),Class II(កន្លែងបាក់មានធ្ម៝ញ)Class III ( អ្នកជំងឺគ្មានធ្ម៝ញសោះ)

32. ឝើ Treatment of compound Fx ឝ្រូវធ្វើដូចម្ឝ៝ចឝ្លះ?

σ� MMF Technique.

σ� Trans osseous wiring

σ� Trans osseous wiring and Mini bone plates.

σ� External fixation.

33. ឝើ Simple fractures of condyle គ៝ព្យាបាលដូចម្ឝ៝ច?

σ� MMF Technique

σ� Osteosynthesis

σ� Bandage

σ� Dental wiring.

34. ឝើ Compound fractures of condyle គ៝ព្យាបាលដូចម្ឝ៝ច?

σ� MMF Technique

σ� Osteosynthesis by ORIF

σ� Bandage

σ� External fixation.

35. ចំពោះ Edentulous patient គ៝ព្យាបាលដូចម្ឝ៝ច?

σ� MMF Technique

σ� Osteosynthesis

σ� Gunning’s splint

σ� Gunning`s splint or Osteosynthesis.

40. ចំពោះ Zygomatic complex fracture គ៝ព្យាបាលដូចម្ឝ៝ច?

σ� Medical treatment

σ� Reduction alone

σ� Reduction & fixation.

σ� Reduction alone and Reduction & fixation.

41. ចំពោះ Reduction alone of ZMC មាន techniques អ្វីឝ្លះ ?

σ� Temporal fossa approach & Upper buccal sulcus approach

σ� Temporal fossa approach , Upper buccal sulcus approach, Latral coronoid approach.

σ� Temporal fossa approach , Upper buccal sulcus approach, Latral coronoid approach, Percutaneous approach & Carroll-Girard screw.

σ� Latral coronoid approach, Percutaneous approach & Carroll-Girard screw.

42. ចំពោះ Reduction & Fixation of ZMC មាន techniques អ្វីឝ្លះ ?

σ� MMF technique.

σ� Trans osseous wiring or ostheosynthesis and Bone plates

σ� Bone plates.

σ� Latral coronoid approach, Percutaneous approach & Carroll-Girard screw.

43. ចំពោះ ZMC fractures ដែលមានលក្ឝណះដូចជា Undisplaced fracture at frontozygomatic suture,simple non comminutedzygomatic complex fracture ឝើគ៝ឝ្រូវការធ្វើ Fixation ដូចម្ឝ៝ចឝ្លះ ?

σ� 1 point fixation

σ� 2 point fixation

σ� 3 point fixation

σ� -4 point fixation

44. ចំពោះ ZMC fractures ដែលមានលក្ឝណះដូចជា Displaced fracture unstable after reduction ,fracture atfronto- zygomatic suture ,infraorbital rim and buttress ឝើគ៝ឝ្រូវការធ្វើ Fixation ដូចម្ឝ៝ចឝ្លះ ?

σ� 1 point fixation

σ� 2 point fixation

σ� 3 point fixation

σ� 4 point fixation

45. ចំពោះ ZMC fractures ដែលមានលក្ឝណះដូចជា Displaced fracture at frontozygomatic suture, zygomaticomaxillary buttress and the infraorbital rim ឝើគ៝ឝ្រូវការធ្វើ Fixationដូចម្ឝ៝ចឝ្លះ ?

σ� 1 point fixation

σ� 2 point fixation

σ� 3 point fixation

σ� 4 point fixation

46. ចំពោះ ZMC fractures ដែលមានលក្ឝណះដូចជា Displaced fracture at frontozygomatic suture ,zygomaticomaxillary buttress, the infraorbital rim and zygomatic arch ឝើគ៝ឝ្រូវការធ្វើ Fixation ដូចម្ឝ៝ចឝ្លះ ?

σ� 1 point fixation

σ� 2 point fixation

σ� 3 point fixation

σ� 4 point fixation

47. ឝើ Naso-orbital-ethmoid Fracture ចូលរួមផ្សំដោយឆ្អឹងណាឝ្លះ ?

σ� Frontal bone,nasal bone,maxillary bone.

σ� Lacrimal bone, ethmoid bone, sphenoid bone.

σ� Frontal bone,nasal bone,maxillary bone, lacrimal bone, ethmoid bone, sphenoid bone.

σ� Maxillary bone,orbital bone and nasal bone.

48. ចំពោះ Naso-orbital-ethmoid fracture គ៝ព្យាបាលដូចម្ឝ៝ច

σ� MMF Technique

σ� Trans osseous wiring

σ� Gunning’s splint

σ� Open reduction with a combination of interfragmentary wiring and plate and screw fixation.

49. ឝើ Periorbital incisions មានប៉ុន្មានប្រភ៝ទ? អ្វីឝ្លះ?

σ� Lateral eyebrow

σ� Crow`s foot/Lateral canthotomy

σ� Subciliary incision (Lower blepharoplasty)

σ� Lateral eyebrow , Crow`s foot/Lateral canthotomy,

σ� Subciliary incision (Lower blepharoplasty),Lower lid/mid tarsal, Infraorbital, Medial canthal

50. The volume of maxillary sinus is :

σ� 15-30 ml

σ� 10 ml

σ� 40 ml

σ� 50 ml

51. Maxillary sinus is also known as :

σ� Paranasal sinus

σ� Antrum of Highmore

σ� Antrum of Keith

σ� No other name

52. The best view for maxillary sinus is :

σ� PA view

σ� AP view

σ� PA view in waters`s position

σ� Lateral view of skull

53. <>procedure is done to :

σ� Visualize the antrum from oral cavity

σ� Visualize the antrum from nasal cavity

σ� To establish drainage through nasal cavity

σ� To pack the maxillary antrum

54. Acute maxillary sinusitis :

σ� Results in referred pain to a single tooth

σ� Results in referred pain to the orbit and maxillary posterior tooth

σ� Is exacerbated by cold history

σ� Is usually a non-infection process

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

σ� Caldwell-luc procedure

σ� Transalveolar extraction

σ� Bergers`s method

σ� Intranasal antrostomy

56. The other name of maxillary sinus is :

σ� Antrum of Highmore

σ� Antrum of Denver

σ� Antrum of Khnopfleer

σ� Antrum of Wilson

57. The base of the maxillary sinus is formed by the :

σ� Zygomatic bone

σ� Orbital floor

σ� Hard palate

σ� Lateral wall of the nose

58. The shape of the adult maxillary sinus is :

σ� Rhomboid

σ� Trapezoid

σ� Rectangular

σ� Pyramidal

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

σ� Children and young adults

σ� Midle aged adults

σ� Elderly

σ� All of the above

60. The apex of the maxillary sinus faces the :

σ� Nasal bone

σ� Floor of the orbit

σ� Palate

σ� Zygomatic process of the maxilla

61. The treatment of chronic suppurative osteomyelitis is :

σ� Hyperbaric oxygen therapy

σ� Sequestrectomy,saucerization and hyperbaric oxygen therapy

σ� Sequestrectomy ,with hyperbaric oxygen therapy

σ� Saucerization only

62. Chronic focal sclerosing osteomyelitis is also known as :

σ� Perosteitis ossificans

σ� Condensing osteitis

σ� Garre`s osteomyelitis

σ� Alveolar osteitis

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

σ� 1873

σ� 1883

σ� 1893

σ� 1903

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

σ� Plasmacells

σ� Lymphocytes

σ� Monocytes

σ� Neurophilic PMNL`s

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

σ� 5-7 days

σ� 7-10 days

σ� 10-14 days

σ� 14-20 days

66. Decortication of the mandible for the treatment of osteomyelitis was described by:

σ� Maxwell

σ� Mowlem

σ� Mader

σ� Michellin

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

σ� Clindamycin

σ� Cephalosporin

σ� Erythromycin

σ� Sulfa drugs

68. Radiographic characteristics of osteomyelitis were described by :

σ� Wilson

σ� Worth

σ� Wright

σ� Williams

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

σ� Symphysis is more commonly involved than angle

σ� Ramus is more commonly involved than symphysis

σ� Body is more commonly involved than symphysis

σ� Angle is more commonly involved than condyle

70. Osteomyelitis of the jaws is primarily caused by :

σ� Peptostreptococcus

σ� Prevotella (Bacteroids)

σ� Streptococcus sp

σ� Vincent`s organism

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

σ� Staphylococcus sp

σ� E.coli

σ� Salmonella typhi

σ� Pneumococcus

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

σ� Phack the socket with gauge

σ� Allow the clot to form No special treatment is necessary

σ� Place the patient on antibiotics

σ� Rise a big mucoperiosteal flap and close the antrum

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

σ� Masseter

σ� Temporalis

σ� Upper part of orbicularis and lower part of orbicularis occuli

σ� None of the above

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

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

σ� Aspirate the contents

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

σ� Cut only the mucosa and skin

75. Treatment of choice to localized infection with pus is :

σ� Antibiotc administration

σ� Establish drainage

σ� Apply col to the area

σ� Advise hot mouth washes

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

σ� Administration of antibiotics

σ� Application of hot packs to the area

σ� Incision and drainage

σ� Antibiotics administration followed by I and D

77. A fracture mandible should be immobilized an everage of :

σ� 3 weeks

σ� 6 weeks

σ� 9 weeks

σ� 12 weeks

78. Fracture of mandible all are true except :

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

σ� Fractures of the mandible are effected by the muscle pull

σ� Fractures of the mandible are usually characterized by sublingual hematoma

σ� C.S.F. Rhinorrhea is a common finding

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

σ� Transosseous wiring

σ� Intermaxillary fixation

σ� Plating on the lateral side of the body of the mandible

σ� Plating at the inferior border of the mandible

80. Most common complication of condylar injuries in children :

σ� Pain

σ� Ankylosis

σ� Osteoartrhitis

σ� Fracture of glenoid fossa

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

σ� Gunning splints

σ� Compression plates

σ� Trans-osseous wires

σ� Champy plates

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

σ� Infraorbital margin

σ� Anterolateral wall of the maxillary sinus

σ� Frontozygomatic suture

σ� Zygomaticomaxillary suture

83. 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 :

σ� Six

σ� Two

σ� Three

σ� Four

84. 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 :

σ� Allow the clot to form advice proper home care

σ� Primary closure and antihistamine

σ� Gold foil closure

σ� Caldwell-Luc operation

85. True open bite is caused by :

σ� Horizontal fracture of the maxilla

σ� Unilateral fracture of mandibular angle

σ� Fracture of the coronoid process of left side of mandible

σ� Fracture of mandibular symphysis

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

σ� Condyles

σ� Ramus

σ� Petrous temporal

σ� Coronoid process

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

σ� Bleeding

σ� Associated fracture spine

σ� Infection

σ� Respiratory obstruction

88. Le fort 1 fracture is characterized by:

σ� Bleeding from the ear

σ� Bleeding from the antrum

σ� Angle class 2 skeletal relationship

σ� None of the above

89. Suturing in facial wound injuries should be done with in:

σ� 2 hours

σ� 6 hours

σ� 4 hours

σ� 8 hours

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

σ� Subcondylar

σ� Zygomatico maxillary

σ� Coronoid process

σ� Symphyseal

91. Forceps used for maxillary fracture disimpaction:

σ� Rowe's

σ� Bristows

σ� Ashs

σ� Walshams

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

σ� Normal saline

σ� Ringer's lactate solution

σ� Whole blood

σ� Plasma expanders

93. Walsham's forceps are used to :

σ� Remove teeth

σ� Remove root

σ� Clamp blood vessels

σ� Reduce nasal bone fractures

94. "Panda facies" is commonly seen after:

σ� Le fort I fractures

σ� Le fort II fractures

σ� Mandible fractures

σ� None of the above

95. CSF rhinorrhea is not found in

σ� Lefort 1

σ� Lefort II

σ� Lefort III

σ� Ethmoidal

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

σ� Temporal fossa

σ� Intra temporal fossa

σ� Infra orbital fossa

σ� All of the above

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

σ� Enophthalmos

σ� Malocclusion

σ� Paraesthesia

σ� CSF rhinorrhea

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

σ� Secure airway

σ� I.V. mannitol

σ� I.V. dexamethasone

σ� Blood transfusion

99. CSF rhinorrhea is found in :

σ� Frontal bone structure

σ� Zygomatico maxillary fracture

σ� Naso ethmoidal fracture

σ� Condylar fracture

100. Le Fort III fracture is the same as :

σ� Craniofacial dysjunction

σ� Guerrin's fracture

σ� Pyramidal fracture

σ� None of the above

101. Fixation with pack in maxillary sinus is :

σ� To support comminuted fracture of the body of zygomatic complex

σ� To support and reconstitute comminuted orbital floor fracture

σ� To protect mucosal covering of maxillary sinus

σ� To support comminuted fracture of the body of zygomatic complex and To support and reconstitute comminuted orbital floor fracture are correct

102. Floating maxilla is typically found in :

σ� Le Fort I or guerin fractures

σ� Le Fort II or pyramidal fractures

σ� Craniomandibular dysjunction

σ� All of the above

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

σ� Pupillary light reflex

σ� Pupillary size

σ� Corneal reflex

σ� Ability to open eye

104. Which of the following always indicates obstruction to the airway?:

σ� Slow pounding pulse

σ� Stertoreous breathing

σ� Increase in pulse rate

σ� Decrease in blood pressure

105. Moon face is seen in:

σ� Le Fort I

σ� Le Fort II

σ� Le Fort III

σ� Orbital fractures

106. In blow out fractures which of the following is seen:

σ� Enophthalmos

σ� Exophtholmos

σ� Bulbar hemorrhage

σ� None

107. Diplopia after fracture results from entrapment of:

σ� Inferior rectus

σ� Inferior oblique

σ� Lateral rectus

σ� Superior oblique

108. In Le Fort III fracture all are seen except:

σ� Crack pot sound on tapping teeth

σ� CSF rhinorrhea

σ� Fracture at frontozygomatic suture

σ� Whole face is mobile

σ� None of the above

109. The muscle that aids in displacement of maxillary fractures are:

σ� Masseter

σ� Temporalis

σ� Orbicularis oculi and orbicularis oris

σ� None of the above

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

σ� le fort 1

σ� le fort 2

σ� le fort 3

σ� le fort 4

111. Which facial view xray is the best for examining the orbits and midface?:

σ� OPG

σ� Waters or occipitomental

σ� Caldwell or PA view

σ� Submental vertex

σ� Towne

112. A tripod fracture involves what?:

σ� it is another word for le fort fracture

σ� zygomaticotemperal and zygomatico frontal suture diastasis and inferiororbital rim fracture

σ� Fracture through maxilla, zygomatic arch and nasal bones

σ� Fracture through neck angle and body of the mandible

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

σ� Condyle

σ� Ramus

σ� Body

σ� Symphysis

114. Maxillary sinus is usually involved in fractures:

σ� Le fort 1

σ� Zygomatic arch fracture

σ� Le fort 3

σ� Nasoethmoidal fracture

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

σ� Comminuted fracture

σ� Compound fracture

σ� Simple fracture

σ� Transverse fracture

116. Le fort 3 fracture is also called :

σ� Horizontal fracture

σ� Pyramidal fracture

σ� Transverse fracture

σ� Green stick fracture

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

σ� pan sinusitis

σ� Sinusitis

σ� Para nasal sinusitis

σ� Sinus thrombosis

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

σ� Aerobic bacteria

σ� Anaerobic bacteria

σ� Fungal

σ� Viral

119. Surgical blade used for drainage of abscess is :

σ� Blade No 12

σ� Blade No 15

σ� Blade No 11

σ� Blade No 22

120. Goals of Maxillomandibular Fixation (MMF) :

σ� Restore occlusion

σ� Reduction of fracture segments

σ� Stabilization of fracture segments

σ� All of the above

121. Facial fractures are diagnosed from :

σ� History

σ� Physical examination

σ� Radiographs

σ� All of the above

122. Squestrum is a :

σ� Necrotized bone

σ� Newly formed bone

σ� Vital bone

σ� Reactive bone formation

123. Acute osteomyelitis in maxilla is :

σ� Localized

σ� Diffuse

σ� Widespread

σ� None of the above

124. The most common cause of cellulitis in face is :

σ� Dental carie

σ� Pericoronitis

σ� Trauma

σ� Antral infection

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

σ� Abscess

σ� Granuloma

σ� Swelling

σ� Cellulutis

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

σ� Chronic osteomyelitis

σ� Condencing osteitis

σ� Garre`s osteomyelitis

σ� Periostitis

127. The most common orgeism associated with cellulitis is :

σ� Streptococci

σ� Staphylococci

σ� Actinomyces

σ� Lactobacillus

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

σ� Canine space

σ� Buccal space

σ� Parotid space

σ� Palatal abscess

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

σ� Superficial temporal artery

σ� Marginal mandibular nerve

σ� Internal jugular vein

σ� Inferior alveolar nerve

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

σ� Muscle pull causes distraction

σ� Malocclusion secondary to the injury

σ� Injury to nerves and vessels

σ� Bone in that region is very thick

131. Among the following which may produce respiratory obstruction ?:

σ� Bilateral condylar fracture

σ� Symphysis fracture of the mandible

σ� Bilateral fracture of mandible in the second premolar area

σ� Fracture of the angle of the mandible

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

σ� Anterior open bite

σ� Inability to protrude the mandible

σ� Inability to bring posterior molars into contact

σ� Anterior open bite and Inability to protrude the mandible

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

σ� Mandible

σ� Maxilla

σ� Nasal

σ� Zygomatic

134. Which of the following is complication often open fracture ?:

σ� Malunion

σ� Nonunion

σ� Infection

σ� Crepitation

135. Principles in treatment fractures include :

σ� Reduction of fracture

σ� Fixation of fracture and restoration of occlusion

σ� All of the above

σ� Immmobilisation

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

σ� Concavity of the overlaying tissue in the zygomatic arch area

σ� Interference with movements of the mandible

σ� Subluxation of condyles

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

137. Which of the following is characteristic of lefort fracture ?:

σ� CSF rhinorrhea

σ� Bleeding from the ear

σ� Bleeding into antrum

σ� CSF rhinorrhea and Bleeding from the ear

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

σ� Disruption of TMJ

σ� Spasm of the lateral pterygoid muscle

σ� Mechanical impingement of the fracture fragment on the coronoid process

σ� Splinting action of masseter and medial pterygoid muscle

139. Among the following which is compound fracture ?:

σ� Fracture with many small fragments

σ� Fracture in a star shaped appearance

σ� Fracture with communition with the oral cavity

σ� Fracture with bleeding into the masticator space

140. The mini-bone plate system is a :

σ� Compressive bone plating system

σ� Monocortical system

σ� Bicortical system

σ� None of the above

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

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

σ� Only one plate as in molar region

σ� Two plates

σ� Three plates

142. Minimum number of screw required for fixation of miniplate are :

σ� One screw on each side of fracture site

σ� Two screws on each side of fracture site

σ� Three screws on each side of fracture site

σ� Two screws in small fragment and three screws in large fragment

143. Risdom wiring is indicated for :

σ� Body fracture

σ� Angle fracture

σ� Symphysis fracture

σ� Subcondylar fracture

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

σ� Haemorrhage

σ� Airway obstruction

σ� Infection

σ� Shock

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

σ� Nasal bone

σ� Zygomatic bone

σ� Maxilla

σ� Temporal bone

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

σ� Mandibular branch of the facial nerve

σ� Facial artery as it crosses the anteroinferior of the masseter

σ� The lingual nerve

σ� The submsndibular gland and its duct

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

σ� The active mascular pull that distracts the fragments

σ� The organized connected tussue at the fracture site

σ� All of the above

148. Panda facies is commonly seen after :

σ� Le fort 1 fractures

σ� Le fort 2 fractures

σ� Zygoatic arch fractures

σ� Orbital blow-out fractures

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

σ� Permeability of the conjunctiva to oxygen

σ� Natural colour of blood

σ� Lack of drainage of the pooled blood

σ� None of the above

150. The following fracture is usually pyramidal in shape :

σ� Le firt I fracture

σ� Le fort II fracture

σ� Le fort III fracture

σ� Mandibular symphysis fracture

151. Cranio facial disjunction commonly occurs in :

σ� Le fort I fracture

σ� Le fort III fracture

σ� Mandibular symphysis fracture

σ� Mandibular condyle

152. Gilli`s approach is :

σ� Used to block inferior alveolar nerve

σ� Used to reduce the fractured zygoma

σ� Placed just anterior to the ear

σ� One of the frequent approach for condylar surgery

153. Contraindications of close reduction are :

σ� Alcoholic and siezure disorder

σ� Mental retardation and nutritional concerns

σ� Respiratory diseases(COPD) and unfavorable fractures

σ� All of the above

154. Indications of close reduction are :

σ� Nondisplaced favorable fractures

σ� Mandibular fractures in children with developing dentition.

σ� Condylar fractures(intracapsular fracture )

σ� All of the above

155. Indications of open reduction are :

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

σ� Fractures of an edentulous mandibule fracture with severe displacement and malunion

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

σ� All of the above

156. Indication of Transosseous wiring :

σ� Control of edentulous posterior fragment and edentulous mandibular fractures

σ� Grossly comminuted fractures

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

σ� All of the above

157. The treatment goals of condylar fractures:

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

σ� Must avoid ankylosis

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

σ� All of the above

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

σ� Intramaxillary fixation(IMF) using eyelet wires

σ� IMF using arch bars

σ� Mini bone plates

σ� IMF using K-wires

10-What is/are the clinical features of cellulitis ?

A- redness(erythema) and warmth

B - swellin(edema)

C- Tenderness or pain

D – All of the above

11-How many types of localized odontogenic infection ?

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

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

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

D- All of the above.

12-Spread of pus inside tissues from the site of the initial lesion, inflammation may spread in many ways :

A- by continuity through tissue spaces and planes

B- by way of the lymphatic system

C- by way of blood circulation

D- All of the above

14-To drain pus from a submental abscess,the surgeon should :

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

B-Aspirate the contents

C-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

D-Cut only the mucosa and skin

15-To drain pus from a submandibular abscess,the surgeon should :

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

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

C-Aspirate the contents

D-Cut only the mucosa and skin

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

A. Prescribe antibiotic

B. Prescribe analgesics

C. Incision and drainage of pus

D. All of the above

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

A.Subcutaneous abscess

B.Ludwig’s Angina

C.Buccal abscess

D. All of the above

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

Localized infection

Ludwig’s Angina

Cavernous sinus thrombosis

Ludwig’s Angina,Cavernous sinus thrombosis

22-Ludwig`s angina was first described by :

A- The German physician, Wilhelm Frederick von Ludwig in 1836

B-Maxwell

C- Garre in the year 1893

D-Rene LeFort

31 -Dry soket is also termed all except :

A-Localized acute alveolar osteomyelitis

B-Acute suppurative osteomyelitis .

C-Alveolar osteitis

D-Alveolalgia

32- The treatment of dry socket :

A. Curettage the socket and Irrigation with chlorhexidine

B. Place Alvogyl in the socket

C. Prescribe strong analgesics

D. All of the above

44- Radiolucencies due to spreading infection of osteomyelitis:

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

B- Radiopaque sequestrae, I.e. Piece of necrotic bone

C-Patchy,ragget & ill define radiolucency

D-All of the above

59-How to diagnose an Oro-antral fistula?

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

B. Insert a large needle into fistula & take X-ray

C. Use the probe to explore the fistula

D. None of the above

69-Maxillary sinus infection of odontogenic origin is most commonly caused by :

A-Aerobic bacteria

B-Anaerobic bacteria

C-Fungal

D-Viral

81-The muscles that aid in displacement of maxillary fractures are :

A-Masseter

B-Temporalis

C-Upper part of orbicularis and lower part of orbicularis occuli

D-None of the above

154-Subconjunctival bleed with no posterior border indicates fracture of which bone:

Maxilla

Mandible

Zygoma

Nasal

155-The weakest part of mandible where fracture occurs :

Neck condyle

Angle of mandible

Canine fossa

Midline

156-The most common fracture of face is that of :

Mandible

Maxilla

Zygoma

Nasal bone

157-Sinus disease is best demonstrated by :

A-CTscan

B-Plain X-ray

C-Tomography

D-Ultrasound

158-Nasal pyramid consist of :

A-Nasal bones and Nasal septum

B-Frontal processes of maxilla

C-Lateral cartilages

D-All the above

159-Diplopia is caused by:

A-Hematoma or edema arround extraoccular muscle

B-Neuromuscular injury

C-Disruption of attachment of inferior rectus or inferior oblique muscle

D-All the above

160-Signs and Symptoms of LeFort I fracture :

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

B-Crepitus over maxilla,ecchymosis in buccal vestibule and epistaxis

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

D-All of the above

161- 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

162- 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

163- LeFort Fractures were described by :

Wilson

Rene LeFort,1991

Knight and North

Williams

164- 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

165- Clinical sign that is always positive in fracture is

Crepitus

Tenderness

Abnormal mobility

All of the above

166-The most (common ) sign mandibular fracture is :

Malocclusion

Trismus

Deviation of the jaw on opening

Paraesthesia of the mental nerve

167-Which of them is not rigid osteosynthetic fixation

Osteosynthesis

Microplating

Screw plating

Wiring

168-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

169-Which of the following condition is associated with anterior open bite

Unilateral condylar

Bilateral condylar

Maxillary fractures

Coronoid fracture

170-Fracture of mandible not involving dental arch is treated by :

Open reduction

Closed reduction

No treatment required

None of the above

171- In case of sub condylar fracture, the condyle move in

Anterior - lateral direction

Posterior - medial direction

Posterior- lateral direction

Anterior-medial direction

172-A 7-year-old boy presented with fracture of left sub condylar 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

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