Oral surgery
1. What is the name of this flap?
σ½ Envelope flap
σ¾ Triangular flap
σ½ Three sided fap
σ½ All are not corrects
2. There are only 2 ways to surgically remove a tooth?
σ½ Use elevator or use forceps
σ¾ Make the socket bigger or make the tooth smaller
σ½ Use elevator and make tooth smaller
σ½ All are correct
3. Diagnosis Definition?
σ¾ A judgment about what a particular illness is, made after examining it
σ½ The process of differentiating between two or more conditions which share similar signs or symptoms
σ½ A doctor's judgment of the likely or expected development of a disease or of the chances of getting better
σ½ All are not correct
4. Differential diagnosis definition?
σ¾ The process of differentiating between two or more conditions which share similar signs or symptoms
σ½ A doctor's judgment of the likely or expected development of a disease or of the chances of getting better
σ½ A judgment about what a particular illness is, made after examining it
σ½ All are not correct
5. On panoramic radiograph, cysts appear as?
σ¾ Radiolucent (dark) areas with radiopaque (white) borders
σ½ Radiopaque (white) areas with radiolucent (dark) borders
σ½ Radiopaque (white) with radiolucent (dark) areas
σ½ All are not correct
6. Normal characteristics of dental cyst?
σ½ Cysts are usually unilocular, but maybe multilocular
σ½ Fluid aspirated from a radicular cyst may display shimmering due to cholesterol content
σ½ The exact diagnosis of the type of cyst is often made from pathological examination
σ¾ All are correct
7. Normal characteristics of peri-apical dental granuloma?
σ½ Radiolucency found at the apex of a tooth with chronic inflammation
σ½ Usually round or oval with a distinct border
σ½ Could be confused with radicular cyst or periapical abscess
σ¾ All are correct
8. Prognosis definition?
σ½ A judgment about what a particular illness is, made after examining it.
σ¾ A doctor's judgment of the likely or expected development of a disease or of the chances of getting better
σ½ The process of differentiating between two or more conditions which share similar signs or symptoms
σ½ All are not corrects
9. Normal Oxygen Saturation rate?
σ¾ 96% - 99%
σ½ 93% -98%
σ½ 94% - 98%
σ½ 98% - 99%
10. Normal value for International Normalized Ratio?
σ½ 0.6 – 1
σ½ 0.5 – 1
σ¾ 0.8 – 1
σ½ 0.7 – 1
11. Normal temperature rate?
σ¾ 36.5 ͦ C -37.5 ͦ C
σ½ 35.5 ͦ C -38 ͦ C
σ½ 36 ͦ C -38 ͦ C
σ½ All are not correct
12. Accurate diagnosis needs?
σ½ Case history
σ½ Clinical examination
σ½ Special test
σ¾ All are correct
13. Indications for surgical extraction of a tooth?
σ½ Tooth with unusual root morphology
σ½ Hypercementosis of root
σ½ Multiple roots
σ¾ Tooth with unusual root morphology and hypercementosis of root
14. Contra-indications for surgical extraction of a tooth?
σ½ There are serious health problems present such as uncontrolled diabetes
σ½ Older patients with a risk of serious local complication (the dislodging of a root tip into the maxillary sinus)
σ½ Older patients with a risk of serious local complication (injury of the alveolar nerve)
σ¾ All are correct
15. Palpation areas of lymph nodes are?
σ½ Sub-mental
σ½ Sub-mandibular
σ½ Deep cervical
σ¾ All are correct
16. The sensation feeling when doing palpation are?
σ½ Tender
σ½ Mobile
σ½ Fixed
σ¾ All are correct
17. The below picture showed?
σ½ Unusual root morphology
σ½ Hypercementosis of roots
σ¾ Ankylosed roots
σ½ All are correct
18. Temporomandibular joint disorder sign and symptoms?
σ½ Tenderness
σ½ Mouth opening limitation
σ½ Clicking noise
σ¾ All are correct
19. Vertical percussion (Tender/not tender)?
σ¾ Peri-apical periodontitis and peri-apical granuloma
σ½ Periodontal pathology (abscess)
σ½ Peri-apical periodontitis, peri-apical granuloma and periodontal pathology (abscess)
σ½ All are correct
20. Horizontal percussion (Tender/not tender)?
σ½ Peri-apical periodontitis and peri-apical granuloma
σ½ Peri-apical periodontitis, peri-apical granuloma and periodontal pathology (abscess)
σ¾ Periodontal pathology (abscess)
σ½ All are correct
21. Intra-oral examination of soft tissue?
σ½ Buccal mucosa, floor of the mouth, and tongue
σ½ Lip, palatal mucosa, and oropharynx
σ½ Uvula and tonsil
σ¾ All are correct
22. The extraction of root tips should not be considered, especially in older patients, when?
σ½ There is a risk of a root tip into the maxillary sinus
σ½ There is a risk of a root tip into the alveolar nerve
σ½ There are serious health problems present
σ¾ All are correct
23. Clinical factors predicting extraction difficulty?
σ½ Impacted teeth
σ½ Inadequate access
σ½ Excessively strong supporting tissues
σ¾ All are correct
24. Radiographic factors predicting extraction difficulty?
σ½ Accessory roots
σ½ Multiple roots
σ½ Close to vital structure
σ¾ All are correct
25. What is the name of this flap?
σ½ Envelope flap
σ½ Triangular flap
σ½ Three sided fap
σ¾ Two-sided flap
26. Flap design features?
σ½ Broad base
σ½ Adequate size
σ½ Avoid important structure
σ¾ All are correct
27. What is the name of this flap?
σ½ X flap
σ¾ Y flap
σ½ Full thickness flap
σ½ Three-sided flap
28. The main flaps for lower third molar?
σ½ Envelope flap
σ½ Three-sided flap
σ½ Triangular flap
σ¾ All are correct
29. What is the name of this flap?
σ½ Envelope flap
σ½ Triangular flap
σ¾ Three sided fap
σ½ Four sided flap
30. If a nearby tooth was unintentionally luxated, the tooth should be stabilized for approximately?
σ½ 20 – 40 days
σ¾ 40 – 60 days
σ½ 60 – 80 days
σ½ 60 – 90 days
31. If a nearby tooth was unintentionally dislocated, the tooth should be repositioned and stabilized for approximately?
σ½ 2 – 3 weeks
σ¾ 3 – 4 weeks
σ½ 4 – 5 weeks
σ½ 5 – 6 weeks
32. Important anatomical structures to be avoided?
σ½ Nerves
σ½ Sinus
σ½ Arteries
σ¾ All are correct
33. The main means of arresting bleedings are?
σ½ Compression
σ½ Ligation and suture
σ½ Use of various hemostatic agents
σ¾ All are correct
34. A tooth or root fragment could be displaced into?
σ½ soft tissue
σ½ Lung
σ½ Under periosteum
σ¾ All are correct
35. Cut releasing incisions to avoid cutting through the mental nerve?
σ¾ Cut releasing incisions mesial of the 4 or distal of the 6
σ½ Cut releasing incisions mesial of the 5 or distal of the 6
σ½ Cut releasing incisions mesial of the 4 or distal of the 5
σ½ All are correct
36. Oro-antral communication could be examined by?
σ½ Fluid come out of the nose when drinking
σ½ Valsalva Method
σ½ Bubble and sound come out from the hole
σ¾ All are correct
37. For lower wisdom tooth surgery, the incision must go towards the disto-buccal to?
σ½ Avoid cutting the long buccal nerve
σ½ Avoid cutting the inferior alveolar nerve
σ¾ Avoid cutting the lingual nerve
σ½ All are correct
38. What is the name of below technique?
σ½ Lateral window technique
σ¾ Caldwell-Luc Technique
σ½ Semilunar incision technique
σ½ Two-sided flap
39. What is the name of this flap?
σ½ Three-sided flap
σ½ Two-corner-flap
σ¾ Vestibular flap
σ½ Triangular flap
40. The most common nerve injuries are?
σ½ Inferior alveolar nerve
σ½ Mental nerve
σ½ Lingual nerve
σ¾ All are correct
41. Delay wound healing is due to?
σ½ A firm continuous stroke of incision
σ½ A flap releasing stays sub-periosteum
σ½ During the incision, the scalpel is in constant contact with bone
σ¾ Interrupted stroke of incision
42. A good incision should avoid?
σ½ Cross the canine eminence
σ½ Cross the attached gingivae directly over the facial aspect of a tooth
σ½ Through the inter-dental papillae
σ¾ All are correct
43. Neurapraxia means?
σ¾ Temporary nerve conduction failure
σ½ Degeneration of nerve axons
σ½ Formation of scar tissue
σ½ Permanent nerve conduction failure
44. Third molar surgical swelling reaches a maximum within?
σ½ 24 – 48 hours post-operatively
σ¾ 48 – 72 hours post-operatively
σ½ 72 – 96 hours post-operatively
σ½ 96 – 120 hours post-operatively
45. What is it called?
σ½ Hematoma
σ½ Infection
σ¾ Liver clot
σ½ There are corrects
46. Fibrinolytic Alveolitis characteristic?
σ½ Empty socket
σ½ Fetid breath odor
σ½ Severe pain
σ¾ All are correct
47. Which one is wrong about treatment of dry socket?
σ½ Irrigate with saline to remove food debris
σ½ Place a sedative dressing such as Alvogyl (contains iodine)
σ¾ Prescribe antibiotics
σ½ There are corrects
48. Intermediate hemorrhage?
σ½ Occurs during the time of surgery
σ¾ Refers to bleeding that occurs within 24 hours of surgery
σ½ Occurs after 24 hours of surgery
σ½ There are corrects
49. Goal of suturing?
σ½ Provide support for tissue margin
σ½ Prevent bone exposure
σ½ Maintain hemostasis
σ¾ All are correct
50. Plain catgut suture absorption time?
σ½ 20 – 40 days
σ¾ 40 – 60 days
σ½ 60 – 80 days
σ½ 80 – 100 days
51. Plain Catgut suture’s strength retention time?
σ½ 5 days
σ¾ 7 days
σ½ 9 days
σ½ 11 days
52. Which one is wrong about surgical silk suture?
σ½ Ease of handling
σ½ Good knot security
σ½ Withstand action of body fluid
σ¾ Should be the choice of usage in present of infection
53. Surgical silk suture cannot be detected in tissues after?
σ½ 1 year
σ¾ 2 years
σ½ 3 years
σ½ 4 years
54. Vircryl-Rapid suture could support wound up to?
σ¾ 12 days
σ½ 16 days
σ½ 20 days
σ½ 24 days
55. Which suture has antibacterial effect?
σ½ Chromic Gut suture
σ¾ Vicryl Plus suture
σ½ Vicryl Rapid suture
σ½ Prolene suture
56. Chromic Gut suture’s strength retention time at least?
σ½ 6 – 8 days
σ½ 8 - 10 days
σ¾ 10 – 14 days
σ½ 14 – 18 days
57. Which one is wrong about Nylon suture?
σ½ Minimal tissue reaction
σ½ Has good memory
σ¾ Non-pliable when moist
σ½ Useful for skin suture
58. Which one is wrong about POLYPROPYLENE (PROLENE) suture?
σ½ Minimal tissue reaction
σ¾ Tensile strength for 4 years
σ½ Used in infected and contaminated wounds
σ½ Flexible
59. Things to consider when doing suture selection?
σ½ Knot-holding characteristics of the suture material
σ½ The tissues to be repaired
σ½ The tensile strength of the suture material
σ¾ All are correct
60. Which one is wrong about interrupted simple suture?
σ¾ Interferences between each stitch
σ½ Placed 4-8 mm apart to close large wounds, so that tension is shared
σ½ Loosening one will not produce loosening of the other
σ½ Strong and can be used in areas of stress
61. Which one is wrong about simple continuous suture?
σ½ Rapid technique and distributes tension uniformly
σ½ More water tight closure
σ½ Only 2 knots with associated tags
σ¾ Free of Interferences between each stitch
62. Which one is wrong about simple locking suture?
σ½ Will avoid multiple knots
σ½ Distributes tension uniformly
σ¾ Less Water tight closure
σ½ Prevents excessive tightening
63. Which one is wrong about vertical mattress suture?
σ¾ Interfering with healing
σ½ To get eversion of wound margins slightly
σ½ Added support wound
σ½ For maximum tissue approximation
64. Which one is wrong about horizontal mattress suture?
σ½ Bringing greater areas of raw tissue into contact
σ½ Prevents the flap from being inverted into the cavity
σ½ Control post-operative hemorrhage from gingiva around the socket
σ¾ Good blood supply to edge of incision
65. Which one is wrong about principle of knotting?
σ½ Use the simplest knot that will prevent slippage
σ½ Tying the knot as small as possible
σ¾ Excessive tension
σ½ Avoid friction
66. Knotting hints?
σ½ Tying sutures too tightly strangulates the tissue
σ½ Placing the final throw as horizontally as possible to keep knot flat
σ½ Limiting extra throws to the knot
σ¾ All are correct
67. Please choose the wrong one about suturing?
σ½ Close deep wounds in layers
σ½ Avoid retrieving needle by tip
σ½ Adequate tissue bite to prevent tearing
σ¾ More tension is good to keep the tissue in place
68. Which one is wrong about suturing?
σ¾ The bite should be about 4-6 mm from the wound margin
σ½ Usually the needle to be passed from mobile side to the fixed side from thinner to thicker & from deeper to superficial flap.
σ½ The tissues should not be closed under tension, since they will either tear or become necrotic around the suture
σ½ Knot must not lie on incision line
69. Which one is wrong about needle?
σ½ Needle should enter perpendicular to tissue surface
σ¾ Needle grasped at 1/2th to half the distance from eye
σ½ Needle passed along its curve
σ½ 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?
σ½ To prevent strangulation of the tissue
σ½ To allow escape of the serum or inflammatory exudate
σ½ To get more strength of the wound
σ¾ To ease the suturing procedure
71. Symptoms of cellulitis?
σ½ Localized pain
σ½ Erythema
σ½ Swelling
σ¾ All are correct
72. Truth about abscess?
σ½ The stage after cellulitis
σ½ No blood supply
σ½ Antibiotic cannot penetration on abscess
σ¾ All are correct
73. The most common oral bacterial infection is?
σ½ Periapical infection
σ½ Periodontal infection
σ½ Herpes labialis infection
σ¾ Periapical infection and periodontal infection
74. Cellulitis stage of bacterial odontogenic infection?
σ½ days 0 - 3
σ¾ days 3 – 5
σ½ days 5 – 7
σ½ days 7 – 9
75. Inoculation stage of bacterial odontogenic infection?
σ¾ days 0 – 3
σ½ days 3 - 5
σ½ days 5 – 7
σ½ days 7 – 9
76. Abscess stage of bacterial odontogenic infection?
σ½ days 0 - 3
σ½ days 3 - 5
σ¾ days 5 – 7
σ½ days 7 – 9
77. Serial stages of bacterial odontogenic infection?
σ¾ Inoculation, cellulitis, abscess and resolution stage
σ½ Cellulitis, Inoculation, abscess and resolution stage
σ½ Abscess, inoculation, cellulitis, and resolution stage
σ½ Resolution, abscess, inoculation, and cellulitis stage
78. Spread of infection?
σ½ Direct spread via tissue planes and spaces
σ½ Lymphatic spread
σ½ Haematological spread
σ¾ All are correct
79. Why local anesthesia has less effect after injecting at the infection side?
σ½ High protein binding
σ¾ Low pH
σ½ High pH
σ½ Higher temperature
80. What is bacteremia?
σ½ Blood poisoning, especially that caused by bacteria or their toxins
σ¾ Presence of bacteria in the blood
σ½ Presence of bacteria in the brain
σ½ Presence of bacteria in the bone marrow
81. What is Septicemia?
σ½ Blood poisoning, especially that caused by bacteria or their toxins
σ¾ Presence of bacteria in the blood
σ½ Presence of bacteria in the brain
σ½ Presence of bacteria in the bone marrow
82. Ophthalmic symptoms of cavernous sinus thrombosis?
σ½ Unable to move eye (ophthalmoplegia)
σ½ Drooping upper eyelid (ptosis)
σ½ Extrusion of the eye (proptosis)
σ¾ All are correct
83. Symptoms of acute maxillary sinusitis?
σ½ Mid-facial pain
σ½ Upper posterior teeth are tender to percussion
σ½ Pain varies with head posture
σ¾ All are correct
84. The following picture shows?
σ½ Sub-lingual space infection
σ½ Sub-mylohyoid infection
σ¾ Submandibular infection
σ½ All are not corrects
85. Ludwig’s angina is an acute severe bilateral cellulitis of?
σ½ Submandibular spaces
σ½ Sublingual spaces
σ¾ Submandibular and sublingual spaces
σ½ All are not corrects
86. Actinomycosis a chronic disease of soft tissue caused primarily by?
σ½ Aerobic bacteria
σ¾ Anaerobic bacteria
σ½ Aerobic bacteria and Anaerobic bacteria
σ½ All are not corrects
87. Osteomyelitis is more common in the mandible due to?
σ½ Richer blood supply
σ¾ Poorer blood supply
σ½ Genetic factor
σ½ All are corrects
88. Osteomyelitis treatment?
σ½ Aggressive surgical debridement of necrotic bone
σ½ Intravenous antibiotics with good bone penetration
σ¾ Aggressive surgical debridement of necrotic bone & Intravenous antibiotics with good bone penetration
σ½ All are not corrects
89. Treatment of odontogenic infection?
σ½ Remove the cause whenever possible (e.g. Extract the tooth)
σ½ Drain pus and maintain drainage (place a drain if necessary)
σ½ Antibiotics and Supportive therapy (fluids, rest, nutrition, analgesia)
σ¾ All are correct
90. What is the antibiotic prophylaxis?
σ¾ Prevention of infection complication using antimicrobial therapy
σ½ Prevention supra-infection
σ½ Prevent the germ to spread in the facial space
σ½ Prevention supra-infection and Prevent the germ to spread in the facial space
91. Amoxicillin + clavulanic acid combination?
σ¾ Inhibits beta lactamase
σ½ Acts against S Aureus,
σ½ H influenza and E coli
σ½ None of above
92. A drain is placed?
σ½ For the air to come in
σ¾ To allow further pus and fluid to drain
σ½ For the air to come in and to allow further pus and fluid to drain
σ½ All are corrects
93. Cause of abscess treatment failure?
σ½ Inadequate drainage and antibiotic failure or wrong antibiotics
σ½ Immunosuppressed patient
σ½ Foreign body (retained root, non-vital piece of bone)
σ¾ All are correct
94. Which is the correct statement define antibiotic resistance?
σ¾ The ability of antibiotic killing bacterial
σ½ The ability of bacteria and other microorganisms to resist the effects of an antibiotic.
σ½ The ability of bacteria synthesis under the development period
σ½ All are not corrects
95. A triangular flap has been used commonly for?
σ½ Surgical removal of upper wisdom tooth
σ½ Surgical removal of lower wisdom tooth
σ½ Surgical removal of periapical cyst
σ¾ All are correct
96. Semi-lunar flap has been used commonly in oral surgery for?
σ¾ Apicoectomy
σ½ Surgical removal of mandibular torus
σ½ Surgical removal of palatal torus
σ½ All are not correct
97. The secondary intension healing means?
σ½ The wound that is healing in the surgical incision which the flap was sutured edge to edge
σ¾ Wound involves considerable tissue lose and let the wound to heal spontaneously
σ½ Delay wound healing
σ½ All are correct
98. A common mistake to try to remove broken roots without surgery by using only elevators could cause?
σ½ The root is sometimes displaced into the inferior alveolar nerve canal for lower third molar
σ½ The root is sometimes displaced into the infra-temporal fossa for unerupted upper third molar
σ½ The root is sometimes displaced into the maxillary sinus
σ¾ All are correct
99. A fractured root tip could be considered to leave when?
σ½ The vital root tip is 2-5 millimeters in length
σ½ The vital root tip is close to maxillary sinus
σ½ The vital root tip is close to lower inferior alveolar nerve
σ¾ All are correct
100. The primary intension healing means?
σ¾ The wound that is healing in the surgical incision which the flap was sutured edge to edge
σ½ Wound involves considerable tissue lose and let the wound to heal spontaneously
σ½ Delay wound healing
σ½ All are not correct
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