Oral surgery
1. What is the name of this flap?
σ� Envelope flap
σ� Triangular flap
σ� Three sided fap
σ� All are not corrects
2. There are only 2 ways to surgically remove a tooth?
σ� Use elevator or use forceps
σ� Make the socket bigger or make the tooth smaller
σ� Use elevator and make tooth smaller
σ� All are correct
3. Diagnosis Definition?
σ� A judgment about what a particular illness is, made after examining it
σ� The process of differentiating between two or more conditions which share similar signs or symptoms
σ� A doctor's judgment of the likely or expected development of a disease or of the chances of getting better
σ� All are not correct
4. Differential diagnosis definition?
σ� The process of differentiating between two or more conditions which share similar signs or symptoms
σ� A doctor's judgment of the likely or expected development of a disease or of the chances of getting better
σ� A judgment about what a particular illness is, made after examining it
σ� All are not correct
5. On panoramic radiograph, cysts appear as?
σ� Radiolucent (dark) areas with radiopaque (white) borders
σ� Radiopaque (white) areas with radiolucent (dark) borders
σ� Radiopaque (white) with radiolucent (dark) areas
σ� All are not correct
6. Normal characteristics of dental cyst?
σ� Cysts are usually unilocular, but maybe multilocular
σ� Fluid aspirated from a radicular cyst may display shimmering due to cholesterol content
σ� The exact diagnosis of the type of cyst is often made from pathological examination
σ� All are correct
7. Normal characteristics of peri-apical dental granuloma?
σ� Radiolucency found at the apex of a tooth with chronic inflammation
σ� Usually round or oval with a distinct border
σ� Could be confused with radicular cyst or periapical abscess
σ� All are correct
8. Prognosis definition?
σ� A judgment about what a particular illness is, made after examining it.
σ� A doctor's judgment of the likely or expected development of a disease or of the chances of getting better
σ� The process of differentiating between two or more conditions which share similar signs or symptoms
σ� All are not corrects
9. Normal Oxygen Saturation rate?
σ� 96% - 99%
σ� 93% -98%
σ� 94% - 98%
σ� 98% - 99%
10. Normal value for International Normalized Ratio?
σ� 0.6 – 1
σ� 0.5 – 1
σ� 0.8 – 1
σ� 0.7 – 1
11. Normal temperature rate?
σ� 36.5 ͦ C -37.5 ͦ C
σ� 35.5 ͦ C -38 ͦ C
σ� 36 ͦ C -38 ͦ C
σ� All are not correct
12. Accurate diagnosis needs?
σ� Case history
σ� Clinical examination
σ� Special test
σ� All are correct
13. Indications for surgical extraction of a tooth?
σ� Tooth with unusual root morphology
σ� Hypercementosis of root
σ� Multiple roots
σ� Tooth with unusual root morphology and hypercementosis of root
14. Contra-indications for surgical extraction of a tooth?
σ� There are serious health problems present such as uncontrolled diabetes
σ� Older patients with a risk of serious local complication (the dislodging of a root tip into the maxillary sinus)
σ� Older patients with a risk of serious local complication (injury of the alveolar nerve)
σ� All are correct
15. Palpation areas of lymph nodes are?
σ� Sub-mental
σ� Sub-mandibular
σ� Deep cervical
σ� All are correct
16. The sensation feeling when doing palpation are?
σ� Tender
σ� Mobile
σ� Fixed
σ� All are correct
17. The below picture showed?
σ� Unusual root morphology
σ� Hypercementosis of roots
σ� Ankylosed roots
σ� All are correct
18. Temporomandibular joint disorder sign and symptoms?
σ� Tenderness
σ� Mouth opening limitation
σ� Clicking noise
σ� All are correct
19. Vertical percussion (Tender/not tender)?
σ� Peri-apical periodontitis and peri-apical granuloma
σ� Periodontal pathology (abscess)
σ� Peri-apical periodontitis, peri-apical granuloma and periodontal pathology (abscess)
σ� All are correct
20. Horizontal percussion (Tender/not tender)?
σ� Peri-apical periodontitis and peri-apical granuloma
σ� Peri-apical periodontitis, peri-apical granuloma and periodontal pathology (abscess)
σ� Periodontal pathology (abscess)
σ� All are correct
21. Intra-oral examination of soft tissue?
σ� Buccal mucosa, floor of the mouth, and tongue
σ� Lip, palatal mucosa, and oropharynx
σ� Uvula and tonsil
σ� All are correct
22. The extraction of root tips should not be considered, especially in older patients, when?
σ� There is a risk of a root tip into the maxillary sinus
σ� There is a risk of a root tip into the alveolar nerve
σ� There are serious health problems present
σ� All are correct
23. Clinical factors predicting extraction difficulty?
σ� Impacted teeth
σ� Inadequate access
σ� Excessively strong supporting tissues
σ� All are correct
24. Radiographic factors predicting extraction difficulty?
σ� Accessory roots
σ� Multiple roots
σ� Close to vital structure
σ� All are correct
25. What is the name of this flap?
σ� Envelope flap
σ� Triangular flap
σ� Three sided fap
σ� Two-sided flap
26. Flap design features?
σ� Broad base
σ� Adequate size
σ� Avoid important structure
σ� All are correct
27. What is the name of this flap?
σ� X flap
σ� Y flap
σ� Full thickness flap
σ� Three-sided flap
28. The main flaps for lower third molar?
σ� Envelope flap
σ� Three-sided flap
σ� Triangular flap
σ� All are correct
29. What is the name of this flap?
σ� Envelope flap
σ� Triangular flap
σ� Three sided fap
σ� Four sided flap
30. If a nearby tooth was unintentionally luxated, the tooth should be stabilized for approximately?
σ� 20 – 40 days
σ� 40 – 60 days
σ� 60 – 80 days
σ� 60 – 90 days
31. If a nearby tooth was unintentionally dislocated, the tooth should be repositioned and stabilized for approximately?
σ� 2 – 3 weeks
σ� 3 – 4 weeks
σ� 4 – 5 weeks
σ� 5 – 6 weeks
32. Important anatomical structures to be avoided?
σ� Nerves
σ� Sinus
σ� Arteries
σ� All are correct
33. The main means of arresting bleedings are?
σ� Compression
σ� Ligation and suture
σ� Use of various hemostatic agents
σ� All are correct
34. A tooth or root fragment could be displaced into?
σ� soft tissue
σ� Lung
σ� Under periosteum
σ� All are correct
35. Cut releasing incisions to avoid cutting through the mental nerve?
σ� Cut releasing incisions mesial of the 4 or distal of the 6
σ� Cut releasing incisions mesial of the 5 or distal of the 6
σ� Cut releasing incisions mesial of the 4 or distal of the 5
σ� All are correct
36. Oro-antral communication could be examined by?
σ� Fluid come out of the nose when drinking
σ� Valsalva Method
σ� Bubble and sound come out from the hole
σ� All are correct
37. For lower wisdom tooth surgery, the incision must go towards the disto-buccal to?
σ� Avoid cutting the long buccal nerve
σ� Avoid cutting the inferior alveolar nerve
σ� Avoid cutting the lingual nerve
σ� All are correct
38. What is the name of below technique?
σ� Lateral window technique
σ� Caldwell-Luc Technique
σ� Semilunar incision technique
σ� Two-sided flap
39. What is the name of this flap?
σ� Three-sided flap
σ� Two-corner-flap
σ� Vestibular flap
σ� Triangular flap
40. The most common nerve injuries are?
σ� Inferior alveolar nerve
σ� Mental nerve
σ� Lingual nerve
σ� All are correct
41. Delay wound healing is due to?
σ� A firm continuous stroke of incision
σ� A flap releasing stays sub-periosteum
σ� During the incision, the scalpel is in constant contact with bone
σ� Interrupted stroke of incision
42. A good incision should avoid?
σ� Cross the canine eminence
σ� Cross the attached gingivae directly over the facial aspect of a tooth
σ� Through the inter-dental papillae
σ� All are correct
43. Neurapraxia means?
σ� Temporary nerve conduction failure
σ� Degeneration of nerve axons
σ� Formation of scar tissue
σ� Permanent nerve conduction failure
44. Third molar surgical swelling reaches a maximum within?
σ� 24 – 48 hours post-operatively
σ� 48 – 72 hours post-operatively
σ� 72 – 96 hours post-operatively
σ� 96 – 120 hours post-operatively
45. What is it called?
σ� Hematoma
σ� Infection
σ� Liver clot
σ� There are corrects
46. Fibrinolytic Alveolitis characteristic?
σ� Empty socket
σ� Fetid breath odor
σ� Severe pain
σ� All are correct
47. Which one is wrong about treatment of dry socket?
σ� Irrigate with saline to remove food debris
σ� Place a sedative dressing such as Alvogyl (contains iodine)
σ� Prescribe antibiotics
σ� There are corrects
48. Intermediate hemorrhage?
σ� Occurs during the time of surgery
σ� Refers to bleeding that occurs within 24 hours of surgery
σ� Occurs after 24 hours of surgery
σ� There are corrects
49. Goal of suturing?
σ� Provide support for tissue margin
σ� Prevent bone exposure
σ� Maintain hemostasis
σ� All are correct
50. Plain catgut suture absorption time?
σ� 20 – 40 days
σ� 40 – 60 days
σ� 60 – 80 days
σ� 80 – 100 days
51. Plain Catgut suture’s strength retention time?
σ� 5 days
σ� 7 days
σ� 9 days
σ� 11 days
52. Which one is wrong about surgical silk suture?
σ� Ease of handling
σ� Good knot security
σ� Withstand action of body fluid
σ� Should be the choice of usage in present of infection
53. Surgical silk suture cannot be detected in tissues after?
σ� 1 year
σ� 2 years
σ� 3 years
σ� 4 years
54. Vircryl-Rapid suture could support wound up to?
σ� 12 days
σ� 16 days
σ� 20 days
σ� 24 days
55. Which suture has antibacterial effect?
σ� Chromic Gut suture
σ� Vicryl Plus suture
σ� Vicryl Rapid suture
σ� Prolene suture
56. Chromic Gut suture’s strength retention time at least?
σ� 6 – 8 days
σ� 8 - 10 days
σ� 10 – 14 days
σ� 14 – 18 days
57. Which one is wrong about Nylon suture?
σ� Minimal tissue reaction
σ� Has good memory
σ� Non-pliable when moist
σ� Useful for skin suture
58. Which one is wrong about POLYPROPYLENE (PROLENE) suture?
σ� Minimal tissue reaction
σ� Tensile strength for 4 years
σ� Used in infected and contaminated wounds
σ� Flexible
59. Things to consider when doing suture selection?
σ� Knot-holding characteristics of the suture material
σ� The tissues to be repaired
σ� The tensile strength of the suture material
σ� All are correct
60. Which one is wrong about interrupted simple suture?
σ� Interferences between each stitch
σ� Placed 4-8 mm apart to close large wounds, so that tension is shared
σ� Loosening one will not produce loosening of the other
σ� Strong and can be used in areas of stress
61. Which one is wrong about simple continuous suture?
σ� Rapid technique and distributes tension uniformly
σ� More water tight closure
σ� Only 2 knots with associated tags
σ� Free of Interferences between each stitch
62. Which one is wrong about simple locking suture?
σ� Will avoid multiple knots
σ� Distributes tension uniformly
σ� Less Water tight closure
σ� Prevents excessive tightening
63. Which one is wrong about vertical mattress suture?
σ� Interfering with healing
σ� To get eversion of wound margins slightly
σ� Added support wound
σ� For maximum tissue approximation
64. Which one is wrong about horizontal mattress suture?
σ� Bringing greater areas of raw tissue into contact
σ� Prevents the flap from being inverted into the cavity
σ� Control post-operative hemorrhage from gingiva around the socket
σ� Good blood supply to edge of incision
65. Which one is wrong about principle of knotting?
σ� Use the simplest knot that will prevent slippage
σ� Tying the knot as small as possible
σ� Excessive tension
σ� Avoid friction
66. Knotting hints?
σ� Tying sutures too tightly strangulates the tissue
σ� Placing the final throw as horizontally as possible to keep knot flat
σ� Limiting extra throws to the knot
σ� All are correct
67. Please choose the wrong one about suturing?
σ� Close deep wounds in layers
σ� Avoid retrieving needle by tip
σ� Adequate tissue bite to prevent tearing
σ� More tension is good to keep the tissue in place
68. Which one is wrong about suturing?
σ� The bite should be about 4-6 mm from the wound margin
σ� Usually the needle to be passed from mobile side to the fixed side from thinner to thicker & from deeper to superficial flap.
σ� The tissues should not be closed under tension, since they will either tear or become necrotic around the suture
σ� Knot must not lie on incision line
69. Which one is wrong about needle?
σ� Needle should enter perpendicular to tissue surface
σ� Needle grasped at 1/2th to half the distance from eye
σ� Needle passed along its curve
σ� The bite should be equal on both sides of the wound margin
70. The distance between sutures to another should be about 3-4 mm apart?
σ� To prevent strangulation of the tissue
σ� To allow escape of the serum or inflammatory exudate
σ� To get more strength of the wound
σ� To ease the suturing procedure
71. Symptoms of cellulitis?
σ� Localized pain
σ� Erythema
σ� Swelling
σ� All are correct
72. Truth about abscess?
σ� The stage after cellulitis
σ� No blood supply
σ� Antibiotic cannot penetration on abscess
σ� All are correct
73. The most common oral bacterial infection is?
σ� Periapical infection
σ� Periodontal infection
σ� Herpes labialis infection
σ� Periapical infection and periodontal infection
74. Cellulitis stage of bacterial odontogenic infection?
σ� days 0 - 3
σ� days 3 – 5
σ� days 5 – 7
σ� days 7 – 9
75. Inoculation stage of bacterial odontogenic infection?
σ� days 0 – 3
σ� days 3 - 5
σ� days 5 – 7
σ� days 7 – 9
76. Abscess stage of bacterial odontogenic infection?
σ� days 0 - 3
σ� days 3 - 5
σ� days 5 – 7
σ� days 7 – 9
77. Serial stages of bacterial odontogenic infection?
σ� Inoculation, cellulitis, abscess and resolution stage
σ� Cellulitis, Inoculation, abscess and resolution stage
σ� Abscess, inoculation, cellulitis, and resolution stage
σ� Resolution, abscess, inoculation, and cellulitis stage
78. Spread of infection?
σ� Direct spread via tissue planes and spaces
σ� Lymphatic spread
σ� Haematological spread
σ� All are correct
79. Why local anesthesia has less effect after injecting at the infection side?
σ� High protein binding
σ� Low pH
σ� High pH
σ� Higher temperature
80. What is bacteremia?
σ� Blood poisoning, especially that caused by bacteria or their toxins
σ� Presence of bacteria in the blood
σ� Presence of bacteria in the brain
σ� Presence of bacteria in the bone marrow
81. What is Septicemia?
σ� Blood poisoning, especially that caused by bacteria or their toxins
σ� Presence of bacteria in the blood
σ� Presence of bacteria in the brain
σ� Presence of bacteria in the bone marrow
82. Ophthalmic symptoms of cavernous sinus thrombosis?
σ� Unable to move eye (ophthalmoplegia)
σ� Drooping upper eyelid (ptosis)
σ� Extrusion of the eye (proptosis)
σ� All are correct
83. Symptoms of acute maxillary sinusitis?
σ� Mid-facial pain
σ� Upper posterior teeth are tender to percussion
σ� Pain varies with head posture
σ� All are correct
84. The following picture shows?
σ� Sub-lingual space infection
σ� Sub-mylohyoid infection
σ� Submandibular infection
σ� All are not corrects
85. Ludwig’s angina is an acute severe bilateral cellulitis of?
σ� Submandibular spaces
σ� Sublingual spaces
σ� Submandibular and sublingual spaces
σ� All are not corrects
86. Actinomycosis a chronic disease of soft tissue caused primarily by?
σ� Aerobic bacteria
σ� Anaerobic bacteria
σ� Aerobic bacteria and Anaerobic bacteria
σ� All are not corrects
87. Osteomyelitis is more common in the mandible due to?
σ� Richer blood supply
σ� Poorer blood supply
σ� Genetic factor
σ� All are corrects
88. Osteomyelitis treatment?
σ� Aggressive surgical debridement of necrotic bone
σ� Intravenous antibiotics with good bone penetration
σ� Aggressive surgical debridement of necrotic bone & Intravenous antibiotics with good bone penetration
σ� All are not corrects
89. Treatment of odontogenic infection?
σ� Remove the cause whenever possible (e.g. Extract the tooth)
σ� Drain pus and maintain drainage (place a drain if necessary)
σ� Antibiotics and Supportive therapy (fluids, rest, nutrition, analgesia)
σ� All are correct
90. What is the antibiotic prophylaxis?
σ� Prevention of infection complication using antimicrobial therapy
σ� Prevention supra-infection
σ� Prevent the germ to spread in the facial space
σ� Prevention supra-infection and Prevent the germ to spread in the facial space
91. Amoxicillin + clavulanic acid combination?
σ� Inhibits beta lactamase
σ� Acts against S Aureus,
σ� H influenza and E coli
σ� None of above
92. A drain is placed?
σ� For the air to come in
σ� To allow further pus and fluid to drain
σ� For the air to come in and to allow further pus and fluid to drain
σ� All are corrects
93. Cause of abscess treatment failure?
σ� Inadequate drainage and antibiotic failure or wrong antibiotics
σ� Immunosuppressed patient
σ� Foreign body (retained root, non-vital piece of bone)
σ� All are correct
94. Which is the correct statement define antibiotic resistance?
σ� The ability of antibiotic killing bacterial
σ� The ability of bacteria and other microorganisms to resist the effects of an antibiotic.
σ� The ability of bacteria synthesis under the development period
σ� All are not corrects
95. A triangular flap has been used commonly for?
σ� Surgical removal of upper wisdom tooth
σ� Surgical removal of lower wisdom tooth
σ� Surgical removal of periapical cyst
σ� All are correct
96. Semi-lunar flap has been used commonly in oral surgery for?
σ� Apicoectomy
σ� Surgical removal of mandibular torus
σ� Surgical removal of palatal torus
σ� All are not correct
97. The secondary intension healing means?
σ� The wound that is healing in the surgical incision which the flap was sutured edge to edge
σ� Wound involves considerable tissue lose and let the wound to heal spontaneously
σ� Delay wound healing
σ� All are correct
98. A common mistake to try to remove broken roots without surgery by using only elevators could cause?
σ� The root is sometimes displaced into the inferior alveolar nerve canal for lower third molar
σ� The root is sometimes displaced into the infra-temporal fossa for unerupted upper third molar
σ� The root is sometimes displaced into the maxillary sinus
σ� All are correct
99. A fractured root tip could be considered to leave when?
σ� The vital root tip is 2-5 millimeters in length
σ� The vital root tip is close to maxillary sinus
σ� The vital root tip is close to lower inferior alveolar nerve
σ� All are correct
100. The primary intension healing means?
σ� The wound that is healing in the surgical incision which the flap was sutured edge to edge
σ� Wound involves considerable tissue lose and let the wound to heal spontaneously
σ� Delay wound healing
σ� All are not correct
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