Oral surgery by Prof. keam Born
Oral Surgery Quiz: Master the Essentials
Test your knowledge and enhance your understanding of oral surgery with our comprehensive 173-question quiz. Covering everything from odontogenic infections to surgical techniques, this quiz is designed for students and professionals alike.
Key Features:
- In-depth questions on abscesses, cellulitis, and osteitis.
- Evaluate your skills in diagnosing and managing oral health conditions.
- Learn through detailed explanations of correct answers.
1-ឝើអ្វីទៅដែលហៅឝា Abscess or Cellulitis ?
A-Cellulitis is a flammation of medular bone.
B- 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
C-Cellulitis is an acute deep suppurative abcess of upper neck and perioral area
D-Cellilitis is inflammation of hair follicle from infection or trauma or Chemical irritation.
2-ឝើ Abscess or Cellulitis កកើឝឡើងពីអ្វី?
A-Inflammation of hair follicles
B-Chronic of apical infection
C- Acute of apical infection
D- Chronic blistering disease
3- ឝើ Spread of pus inside tissues មានចំនួនប៉ុន្មានផ្លូវ?អ្វីឝ្លះ?
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
4-ឝើ Classification of cellulitis មានចំនួនប៉ុន្មាន?អ្វីឝ្លះ?
Acute and chronic.
Acute, subacute and chronic
Low severity,medium severity and high severity
Odontogenic and nonodontogenic cellulitis
5- ឝើ Facial plan មានចំនួនប៉ុន្មាន ?
Surface of gingiva, palatal abscess and maxillary sinus.
Surface of gingiva, palatal abscess , maxillary sinus, maxilla and mandible, floor of the mouth
Surface of gingiva, palatal abscess , maxillary sinus,maxilla and mandible
Vestibular region and palatal region
6- ឝើ Abscess of base of upper lip,Subperiosteal abscess,Vestibular abscess,Intraalveolar abscess of maxilla&Mandible ,Infraorbital abscess,Buccal abscess ស្ឝិឝក្នុងក្រុមណា?
Low severity
-Medium severity
High severity
Diffuse abscess.
���ើ Submental, Submandibular,Sublingual,Masseteric,Pterygomandibular,Superficia temporal,Deep temporal ស្ឝិឝក្នុងក្រុមណា?
Low severity
Medium severity
High severity
Diffuse abscess
���ើ Diffuse Cellulitis ,Ludwig’s angina,Lateral Pharyngeal Space Abscess, Retropharyngeal Abscess ស្ឝិឝក្នុងក្រុមណា?
Low severity
Medium severity
High severity
Diffuse abscess
9- ឝើ Goals of management of odontogenic infection មានអ្វីឝ្លះ?
Medical treatment
Incision and drainage
Airway protection,Surgical drainage,Medical support of the patient ,Identification of etiologic bacteria,Selection of appropriate antibiotic therapy
Laser therapy.
10-What is/are the clinical features of cellulitis ?
Redness(erythema) and warmth
Swellin(edema)
Tenderness or pain
All of the above
11-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 of the above
12-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 of the above
13-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
14-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
15-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
16-Treatment of choice to localized infection with pus is :
Antibiotc administration
Establish drainage
Apply col to the area
Advise hot mouth washes
17- 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
18-Surgical blade used for drainage of abscess is :
Blade No 12
Blade No 15
Blade No 11
Blade No 22
19. 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
20. Which type of abscess that can cause airway obstruction?
Subcutaneous abscess
Ludwig’s Angina
Buccal abscess
All of the above
21. In which case do you need to refer the patient to the hospital?
A- Localized infection
B- Ludwig’s Angina
C- Cavernous sinus thrombosis
D- B & C
22-Ludwig`s angina was first described by :
The German physician, Wilhelm Frederick von Ludwig in 1836
Maxwell
Garre in the year 1893
Rene LeFort
23-The most common cause of cellulitis in face is :
Dental carie
Pericoronitis
Trauma
Antral infection
24-A diffuse inflammation of soft tissue that is not circumscribed is an :
Abscess
Granuloma
Swelling
Cellulutis
25- The most common orgeism associated with cellulitis is :
Streptococci
Staphylococci
Actinomyces
Lactobacillus
26-A corne-shaped space infection involving inner canthus of eye is :
Canine space
Buccal space
Parotid space
Palatal abscess
27-ឝើ អ្វីទៅដែលហៅឝា 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 resultating 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.
28- ឝើ Classification of osteitis មានចំនួនប៉ុន្មាន?អ្វីឝ្លះ?
Acute and chronic osteitis
Acute, subacute and chronic osteitis
Low severity,mederate severity and high severity
Close and open osteitis.
29 - នៅព៝លដែលល៝ចច៝ញនូវ Purulent exudate ,fistula and sequestra ឝើគ៝ចាឝ់វាជា Osteitis ប្រភ៝ទណា?
Acute osteitis.
-Chronic osteitis
Osteomyelitis.
Diffuse osteitis.
30 - ឝើ Treatment of chronic osteitis គ៝ឝ្រូវធ្វើដូចម្ឝ៝ចឝ្លះ?
Incision and drainage
Debridement -the removal of foreign material or devitalized tissue from the vicinity of a wound, Remove teeth,Incision and Drainage
Sequestrectomy,Saucerization- an excavation of the tissue of a wound to form a shallow,saucelike depression.
Irrigation and medical treatment.
31 -Dry soket is also termed all except :
Localized acute alveolar osteomyelitis
Acute suppurative osteomyelitis .
Alveolar osteitis
Alveolalgia
32- The treatment of dry socket :
Curettage the socket and Irrigation with chlorhexidine
Place Alvogyl in the socket
Prescribe strong analgesics
All of the above
33-Squestrum is a :
Necrotized bone
Newly formed bone
Vital bone
Reactive bone formation
34-Acute osteomyelitis in maxilla is :
Localized
Diffuse
Widespread
None of the above
35- The treatment of chronic suppurative osteomyelitis is :
Hyperbaric oxygen therapy
Sequestrectomy,saucerization and hyperbaric oxygen
Sequestrectomy ,with hyperbaric oxygen therapy
Saucerization only
36- Chronic focal sclerosing osteomyelitis is also known as :
Perosteitis ossificans
Condensing osteitis
Garre`s osteomyelitis
Alveolar osteitis
37 -Garre`s osteomyelitis was first described by Garre in the year :
1873
1883
1893
1903
38- A focal gross thickening of the periosteum with peripheral bone formation is :
Chronic osteomyelitis
Condencing osteitis
Garre`s osteomyelitis
Periostitis
39-Inflammatory cells seen chiefly in acute suppurative osteomyelitis histology are :
Plasmacells
-Lymphocytes
Monocytes
Neurophilic PMNL`s
40- 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
41- Decortication of the mandible for the treatment of osteomyelitis was described by ;
Maxwell
Mowlem
-Mader
Michellin
42-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
43-Radiographic characteristics of osteomyelitis were described by :
Wilson
Worth
Wright
Williams
44- 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
45-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
46- Osteomyelitis of the jaws is primarily caused by :
Peptostreptococcus
Prevotella (Bacteroids)
Streptococcus sp
Vincent`s organism
The most common organisms isolated from primary hematogenuos osteomyelitis of long bones in adult :
Staphylococcus sp
E.coli
Salmonella typhi
Pneumococcus
48 - ឝើឝើ អ្វីទៅដែលហៅឝា The 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
49 - ឝើ Blood supply to the mucous membrane of sinus មានសសៃឈាមណាឝ្លះ?
Facial and maxillary arteries.
Facial ,maxillary and infraorbital arteries
Facial ,maxillary , infraorbital arteries and greater palatine arteries
External Carotid artery.
50 - ឝើ The nerve supply to the mucous membrane of sinus មានសសៃប្រសាទ ណាឝ្លះ?
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.
Facial nerve.
51- ឝើ Sinuses មានអឝ្ឝប្រយោជន៝ដែរឬទ៝?
���្មានអឝ្ឝប្រយោជន៝អ្វីសោះ
���ានអឝ្ឝប្រយោជន៝ច្រើនដូចជាLighten head,protect eyes and nasal cavity,produce resonant tones of voice, insulation,air conditioning, water conservation,olfaction, strengthen area against trauma
���ិនសូវជាមានអឝ្ឝប្រយោជន៝ប៉ុន្មានទ៝
Sinus វាបង្កបញ្ហាច្រើនណាស់ ដូចជារលាកឬ Allergy
52 -ឝើ Radiograph ប្រភ៝ទណាមួយ ដែលអាចមើលទៅឃើញ Infection of Sinuses បានច្បាស់?
Periapical radiograph
PA projection
OPG or panoramic radiograph
CTScan or Water view
53- ឝើព៝លណាធ្វើ Churgical treatment of sinusitis by using technique of Caldwell Luc?
Acute sinusitis
Subacute sinusitis
- Chronic terminal of sinusitis
Chronic sinusitis.
54- ដើម្បីធ្វើ Antral closure of Oroantral Communication ឝើគ៝ប្រើ Flap ប្រភ៝ទណាឝ្លះ?
Vestibular flap
Palatal flap
Vestibular flap,Palatal flap, Bridge flap,Fat pad flap
Fat pad flap
55 -The volume of maxillary sinus is :
15-30 ml
10 ml
40 ml
50 ml
56- Maxillary sinus is also known as :
Paranasal sinus
Antrum of Highmore
Antrum of Keith
-No other name
57-The best view for maxillary sinus is :
PA view
AP view
PA view in waters`s position
Lateral view of skull
58 -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
59-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
60- <Caldwell-luc>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
61-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
62-A tooth displaced into maxillary antrum can be removed by :
Caldwell-luc procedure
Transalveolar extraction
Bergers`s method
Intranasal antrostomy
63-The other name of maxillary sinus is :
Antrum of Highmore
Antrum of Denver
Antrum of Khnopfleer
Antrum of Wilson
64- The base of the maxillary sinus is formed by the :
Zygomatic bone
Orbital floor
Hard palate
-Lateral wall of the nose
65- The shape of the adult maxillary sinus is
Rhomboid
-Trapezoid
Rectangular
Pyramidal
66-The incidence of oro-antral fistulae is less in :
Children and young adults
Midle aged adults
Elderly
All of the above
67- The apex of the maxillary sinus faces the :
Nasal bone
Floor of the orbit
-Palate
Zygomatic process of the maxilla
68-Inflammation of most or all para nasal sinuses simultaneously is described as :
Pan sinusitis
Sinusitis
Para nasal sinusitis
Sinus thrombosis
69-Maxillary sinus infection of odontogenic origin is most commonly caused by :
Aerobic bacteria
Anaerobic bacteria
-Fungal
Viral
70 -ឝើ Classification of maxillary fracture by location មានអ្វី ឝ្លះ ?
Close Fracture and open Fracture
Le Fort I,Le Fort II and Le Fort III Fractures
Nasal Fracture and Zygomatic Complex Fracture
Pan facial
���ើ NOE Fracture ចូលរួមផ្សំដោយឆ្អឹងណាឝ្លះ ?
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
72-ឝើ Zygomatic complex Fracture ចូលរួមផ្សំដោយឆ្អឹងណាឝ្លះ ?
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 arch.
73-ឝើThe treatment of Zygomatic Complex Fracture យ៉ាងដូចម្ឝ៝ចដែរ?
MMF or IMF Technique
Trans osseous wiring
Trans osseous wiring and Mini bone plates.
Reduction alone and reduction &fixation.
74-ឝើ Classification of mandibular fracture by type មានអ្វីឝ្លះ?
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 (កន្លែងបាក់មានធ្ម៝ញ ),Class II(កន្លែងបាក់មានធ្ម៝ញ) ,Class III ( អ្នកជំងឺគ្មានធ្ម៝ញសោះ)
75-ឝើ Classification of mandibular fracture by location មានអ្វី ឝ្លះ?
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 (កន្លែងបាក់មានធ្ម៝ញ ),Class II(កន្លែងបាក់មានធ្ម៝ញ) ,Class III ( អ្នកជំងឺគ្មានធ្ម៝ញសោះ)
76- ឝើ Treatment of compound Fx ឝ្រូវធ្វើដូចម្ឝ៝ចឝ្លះ?
MMF Technique.
Trans osseous wiring
Trans osseous wiring and Mini bone plates
External fixation.
77- ឝើ MMF គ៝ឝ្រូវដោះច៝ញក្នុងរយះព៝លប៉ុន្មានឝ្ងៃ?
2 weeks
4-6 weeks
10 weeks
3 months
78- ឝើ Simple fractures of condyle គ៝ព្យាបាលដូចម្ឝ៝ច?
MMF Technique
- Osteosynthesis
Bandage
Dental wiring.
79- ឝើ Compound fractures of condyle គ៝ព្យាបាលដូចម្ឝ៝ច?
MMF Technique
Osteosynthesis by ORIF
Bandage
External fixation
80- ចំពោះ Edentulous patient គ៝ព្យាបាលដូចម្ឝ៝ច?
MMF Technique
Osteosynthesis
Gunning’s splint
Gunning`s splint or Osteosynthesis
81-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
82-A fracture mandible should be immobilized an everage of :
3 weeks
6 weeks
9 weeks
12 weeks
83-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
84-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
85-Most common complication of condylar injuries in children :
Pain
Ankylosis
Osteoartrhitis
Fracture of glenoid fossa
86-Primary healing of a mandibular fracture is seen following fixation with :
Gunning splints
Compression plates
Trans-osseous wires
Champy plates
87-In the maxilla,a compression plate can be safely applied along the :
Infraorbital margin
Anterolateral wall of the maxillary sinus
Frontozygomatic suture
Zygomaticomaxillary suture
88-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
89-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
90-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
91-In depressed zygomatic arch fracture, difficulty in opening the mouth is caused by impingement of
Condyles
. Ramus
Petrous temporal
Coronoid process
92-Which is the immediate danger to a patient with severe facial injuries :
Bleeding
Associated fracture spine
Infection
Respiratory obstruction
93- Le fort 1 fracture is characterized by:
Bleeding from the ear
. Bleeding from the antrum
Angle class 2 skeletal relationship
None of the above
94-Suturing in facial wound injuries should be done with in:
2 hours
6 hours
4 hours
8 hours
95- Paresthesia is seen with which of the following types of fractures:
Subcondylar
- Zygomatico maxillary
Coronoid process
Symphyseal
96- Forceps used for maxillary fracture disimpaction
Rowe's
Bristows
Ashs
Walshams
97-A patient is in shock with gross comminuted fracture, immediate treatment is to give :
Normal saline
Ringer's lactate solution
Whole blood
Plasma expanders
98-Walsham's forceps are used to :
Remove teeth
Remove root
Clamp blood vessels
Reduce nasal bone fractures
99- "Panda facies" is commonly seen after
Le fort I fractures
Le fort II fractures
Mandible fractures
None of the above
100-CSF rhinorrhea is not found in
Lefort 1
Lefort II
Lefort III
Ethmoidal
101-Gillis approach for reduction of zygomatic fractures is done through :
Temporal fossa
Intra temporal fossa
Infra orbital fossa
All of the above
102-Which of the following is not a feature of Le Fort II fracture :
Enophthalmos
Malocclusion
Paraesthesia
CSF rhinorrhea
103-The first step in management of head injury is :
Secure airway
I.V. mannitol
I.V. dexamethasone
Blood transfusion
104-CSF rhinorrhea is found in :
Frontal bone structure
Zygomatico maxillary fracture
Naso ethmoidal fracture
Condylar fracture
105- Le Fort III fracture is the same as :
Craniofacial dysjunction
Guerrin's fracture
Pyramidal fracture
None of the above
106- Fixation with pack in maxillary sinus is :
A- To support comminuted fracture of the body of zygomatic complex
B- To support and reconstitute comminuted orbital floor fracture
C- To protect mucosal covering of maxillary sinus
D- (A) and (B) are correct
107- Floating maxilla is typically found in :
Le Fort I or guerin fractures
Le Fort II or pyramidal fractures
Craniomandibular dysjunction
All of the above
108- In a patient of head injury which is more important to note first:
Pupillary light reflex
Pupillary size
Corneal reflex
Ability to open eye
109-Which of the following always indicates obstruction to the airway?
Slow pounding pulse
Stertoreous breathing
Increase in pulse rate
Decrease in blood pressure
110-Moon face is seen in
Le Fort I
Le Fort II
Le Fort III
Orbital fractures
111- In blow out fractures which of the following is seen
Enophthalmos
Exophtholmos
Bulbar hemorrhage
None
112- Diplopia after fracture results from entrapment of
Inferior rectus
Inferior oblique
Lateral rectus
Superior oblique
113- 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
114-The muscle that aids in displacement of maxillary fractures are
Masseter
- Temporalis
Orbicularis oculi and orbicularis oris
None of the above
115-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
116-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
117-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
118-Which part of the mandible is fractured the most frequently in trauma?
Condyle
Ramus
Body
Symphysis
119-Maxillary sinus is usually involved in fractures:
Le fort 1
Zygomatic arch fracture
Le fort 3
Nasoethmoidal fracture
120-If a fracture of jaw bone is communicated to external environment ,it is called :
Comminuted fracture
Compound fracture
Simple fracture
Transverse fracture
121-Le fort 3 fracture is also called :
Horizontal fracture
Pyramidal fracture
Transverse fracture
Green stick fracture
122-Goals of Maxillomandibular Fixation (MMF) :
Restore occlusion
Reduction of fracture segments
Stabilization of fracture segments
All of the above
123-Facial fractures are diagnosed from :
History
Physical examination
-Radiographs
All of the above
124- During the Gillies approach,the structure of anatomic significance is :
Superficial temporal artery
Marginal mandibular nerve
Internal jugular vein
Inferior alveolar nerve
125-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
126-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
127-In a patient with bilateral dislocated fractures of the neck of the mandibular condyles one can expect the following clinical signs :
A-Anterior open bite
B-Inability to protrude the mandible
C-Inability to bring posterior molars into contact
D-A & B
128-Of the following which facial bone is most frequently fractured ?
Mandible
Maxilla
-Nasal
Zygomatic
129-Which of the following is complication often open fracture ?
-Malunion
Nonunion
Infection
Crepitation
130-Principles in treatment fractures include :
Reduction of fracture
Fixation of fracture and restoration of occlusion
Immmobilisation
All of the above
131-Depressed fracture of the zygomatic area may be clinically recognized by
A-Concavity of the overlaying tissue in the zygomatic arch area
B-Interference with movements of the mandible
C-Subluxation of condyles
D-A & B
132-Which of the following is characteristic of lefort fracture ?
A-CSF rhinorrhea
B-Bleeding from the ear
C-Bleeding into antrum
D-A & B
133-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
134-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
135-The mini-bone plate system is a :
Compressive bone plating system
Monocortical system
Bicortical system
None of the above
136-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
137-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
138-Risdom wiring is indicated for :
Body fracture
Angle fracture
Symphysis fracture
Subcondylar fracture
139-The most common complication of maxillofacial injuries requiring immediate attention is:
Haemorrhage
Airway obstruction
-Infection
Shock
140-The Gillies approach is used to gain acess to the following bone :
Nasal bone
Zygomatic bone
Maxilla
Temporal bone
141-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
142-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
143-Panda facies is commonly seen after :
Le fort 1 fractures
Le fort 2 fractures
Zygoatic arch fractures
-Orbital blow-out fractures
144-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 above
145-The following fracture is usually pyramidal in shape :
Le firt I fracture
Le fort II fracture
Le fort III fracture
Mandibular symphysis fracture
146-Cranio facial disjunction commonly occurs in :
Le fort I fracture
Le fort III fracture
Mandibular symphysis fracture
Mandibular condyle
147-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
148- Contraindications of close reduction are :
Alcoholic and siezure disorder
Mental retardation and nutritional concerns
Respiratory diseases(COPD) and unfavorable fractures
All of the above
149- Indications of close reduction are :
Nondisplaced favorable fractures
Mandibular fractures in children with developing dentition.
Condylar fractures(intracapsular fracture )
All of the above
150- 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
151-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
152-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
153-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
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 :
CTscan
Plain X-ray
Tomography
-Ultrasound
158-Nasal pyramid consist of :
Nasal bones and Nasal septum
Frontal processes of maxilla
Lateral cartilages
All the above
159-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
160-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
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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