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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