Oral surgery
1. What are the ideal treatment plans?
σ Long-term outcomes
σ Address all patient concerns
σ Minimum intervention
σ All of the above
σ None of the above
2. In which cases consent should be informed before starting the treatment?
σ Suture removal
σ Surgical removal of deep unerupted mandibular wisdom teeth
σ Prescription writing for orofacial pain
σ Extraction of a maxillary second molar which the root is close proximity to the sinus
σ Surgical removal of deep unerupted mandibular wisdom teeth and Extraction of a maxillary second molar which the root is close proximity to the sinus
3. The difficulty of extraction?
σ Severely divergent roots
σ Periapial radiolucency
σ Dilacerated roots
σ Endodontically treated teeth with or without post and core
σ Increased number of roots present
4. Which one of the following is NOT one of the basic steps of surgical extraction?
σ Incision & raising a flap
σ Application of Betadine
σ Removal of bone
σ Tooth or root division
σ Removal of tooth or roots
σ Wound debridement
5. When a fractured root tip can be left in-situ?
σ The root tip is smaller than 2mm in an infected root
σ For small root fragments as the risk of removing them may cause potential complications
σ The infected root tip is closed to the maxillary sinus
σ The infected root is close to the inferior alveolar nerve
σ All of the above
6. Which suture that can be used in contaminated wounds?
σ Vicryl
σ Silk
σ Nylon
σ Catgut
σ Stainless steel
7. Which suture creates eversion of the wound edges?
σ Interrupted sutures
σ Continuous sutures
σ Horizontal mattress suture
σ Vertical mattress suture
σ Figure-of-eight suture
8. What sizes of the sutures that commonly used in oral cavity?
σ 2//0
σ 3/0 & 4/0
σ 4/0 & 5/0
σ 6/0
σ 7/0
9. What is the atraumatic suturing technique?
σ No crushing tissues with forceps
σ Not too large suture and needle
σ Not too large tissue bites
σ Not too tight
σ Not too dry
σ All of the above
10. Which suture is used for extraction socket of molar teeth to control bleeding?
σ Horizontal mattress
σ Vertical mattress
σ Figure-of-eight and interrupted
σ Interrupted
σ Sling suture
11. How many knots do you need to tie tissues intra-orally?
σ One knot
σ Two knots
σ Three knots
σ Four knots
σ Five knots
12. Suture is selected depends on:
σ Tissue to be suturing, ie. mucosa, muscle, skin
σ Healing process
σ Tissue tolerance
σ Patient’s availability to come for suture removal
σ All of the above
13. Which of the followings are the treatments of ecchymosis?
σ Apply ice pack on the bruise
σ Reassure the patient
σ Inject steroid
σ Apply warm moist pack
σ Apply ice pack on the bruise and Inject steroid
σ Reassure the patient and Apply warm moist pack
14. Which of the following are the local measures to control bleeding after surgical extraction?
σ Use vitamin K
σ Apply pressure with sterilized gauze
σ Use tranexamic acide injection
σ Place Gelfoam or Surgicel in the socket
σ Suture across the socket
σ Apply pressure with sterilized gauze, Place Gelfoam or Surgicel in the socket and Suture across the socket
15. Which case of cyst do you need to do marsupialization?
σ Very large cyst involving vital structures
σ Traumatic bone cyst
σ Pocket cyst of lateral incisor
σ Mucous retention cyst in the floor of the mouth (ranula)
σ Very large cyst involving vital structures and Mucous retention cyst in the floor of the mouth (ranula)
V All of the above
16. How to diagnose an Oro-antral fistula?
σ Squeeze patient nose & ask to strongly blow to see air bubble
σ Insert a large needle into fistula & take X-ray
σ Use the probe to explore the fistula
σ None of the above
σ All of the above
17. Which one of the following is NOT the factors influencing the course of infection?
σ Portal of entry
σ Virulence
σ Patient's weight
σ Pathogenicity
σ Host defense
σ Numbers/types of bacteria
18. What are the investigations for infection?
σ Take swap of pus for microbiology & antibiotic sensitivity
σ Immunoflurescence
σ Blood culture
σ Urine test
σ Take swap of pus for microbiology & antibiotic sensitivity and Blood culture
σ All of the above
19. Which of the following are NOT the modes of spread of infection?
σ Saliva
σ Lymphatic
σ Blood
σ Tear
σ Direct spread
σ Saliva and Tear
20. What is the first line antibiotic for acute infection?
σ Rodogyl
σ Tetracycline
σ Amoxicillin or with clavulanic acid
σ Cephaxin
σ All of the above
21. In which case do you need to refer the patient to the hospital?
σ Localized infection
σ Ludwig’s Angina
σ Palatal abscess
σ Cavernous sinus thrombosis
σ Localized infection and Palatal abscess
σ Ludwig’s Angina and Cavernous sinus thrombosis
22. How to confirm the definitive diagnosis of a soft tissue lesion (diameter ˃2cm) on the lateral border of the tongue?
σ Blood test
σ Fine needle aspiration
σ Incisional biopsy
σ Excisional biopsy
σ All of the above
23. Which lesions are needed for fine needle aspiration?
σ Vascular lesions
σ Fluctuant soft tissue pathology
σ Surgical emphysema
σ Intraosseous pathology
σ Vascular lesions and Surgical emphysema
σ Fluctuant soft tissue pathology and Intraosseous pathology
24. When aspirate a cystic lesion which shows cholesterol, what type of cyst might it be?
σ Dentigerous cyst
σ Eruption cyst
σ Inflammatory cyst
σ Odontogenic keratocyst
σ Aneurysmal bone cyst
25. When aspirate a cyst-like lesion which shows blood, what type of lesion might it be?
σ Contamination
σ Lipoma
σ Aneurysmal bone cyst
σ Radicular cyst
σ Haemengioma and Mucoccel
σ Contamination, Aneurysmal bone cyst and Haemengioma
26. When aspirate a cyst-like lesion which shows air, what type of lesion/structure might it be?
σ Salivary gland duct
σ Maxillary sinus
σ Nerve canal
σ Traumatic bone cyst
σ Salivary gland and Nerve canal
σ Maxillary sinus and Traumatic bone cyst
27. How do you perform pulp vitality tests?
σ Tap on the tooth
σ Use hot GP points
σ Spray air on the tooth
σ Use cold spray
σ Use electric pulp tester
σ Use hot GP points, Use cold spray and Use electric pulp tester
28. What are the surgical options of jaw cysts?
σ Apply acid
σ Marsupializaion
σ Incision and drainage and Enucleation
σ Root canal canal treatment
σ Local resection +/- reconstruction
σ Marsupializaion, Enucleation and Local resection +/- reconstruction
29. Which one of the following is the best method of amrsupialization of large cysts?
σ Packing with gauze into the cystic cavity
σ Open the cystic cavity with robber urinary catheter
σ Packing with alveogyl
σ Cover the cystic cavity with resine stent
σ Plug the cystic cavity with gelfoam
30. Which one of the soft tissue lesions that penetrate into underlying bone (cupping)?
σ Peripheral Giant Cell Granuloma
σ Central giant cell granulama
σ Focal fibrous hyperplasia
σ Drug induced gingival hyperplasia
31. Which of one the following lesions do NOT need to do excisional biopsy?
σ Firoepithelial polyps
σ Mucocoeles
σ Fibromas
σ Haemengioma
σ Papillomas
32. What is the flap design for removal of torus palatinus?
σ Envelop flap
σ Triangular flap
σ J-shape flap
σ Y-shape flap
33. What is Compound Odontome?
σ Odongenic tumour characterized by the formation of calcified enamel & dentin in
σ An abnormal arrangement
σ A bag of teeth
σ A variant type of ameloblastoma
σ A malignant tumour of the tooth
34. In which cases consent should be informed before starting the treatment?
σ Non-invasive procedures such as extraction of a just root
σ Prescribing an analgesic
σ All the invasive procedures such as surgical removal of mandibular third molar
σ Prescribing an antiseptic mouthwash
35. Which of the following is NOT the differential diagnosis of a soft tissue lesion?
σ List all the most probable diagnosis
σ Look at the characteristics of each condition/lesion
σ Blood tests
σ Compare & distinguish between them and choose on a “best-fit” basis
36. Which one of the following is NOT the investigation before extraction?
σ Radiographs
σ Antibiotic
σ Pulp vitality tests
σ Study models
37. Which one of the following is NOT the ideal treatment plans?
σ Meet all patient concerns
σ Future procedures for long-term outcomes
σ Provide treatment options
σ Treat only painful tooth
38. Which cases consent should be informed before starting the treatment?
σ Non-invasive procedures such as extraction of a just root
σ Prescribing an analgesic
σ All the invasive procedures such as surgical removal of mandibular third molar
σ Prescribing an antiseptic mouthwash
39. Which of one of the following is NOT the clinical factors predicting the difficulty of extractions?
σ Extensive loss of coronal tooth structure
σ Limited access to the area of extraction
σ Severe periodontitis
σ History of past root canal therapy
40. Which of one of the following is NOT the radiographic factors predicting the difficulty of extraction?
σ Severely divergent roots and dilacerated roots
σ Enlargement of periodontal ligament space seen in a radiograph
σ Hypercementosis/bulbous roots and dense bone
σ Endodontically treated teeth with or without post and core
41. Which teeth are at risk for sinus exposure when doing extraction?
σ Lone standing maxillary molar with pneumatized maxillary sinus
σ Roots projecting into a severely pneumatized maxillary sinus and minimal coronal bone visible radiographically
σ Teeth with advanced periodontal disease but with no mobility; also teeth with the maxillary sinus extending into the trifurcation area
σ All of the above
42. Which one of the following is NOT one of the principles of flap designs?
σ Avoid vital structures
σ A little broad base flap
σ Very broad base
σ Gentle soft tissue handling
43. What are the factors to consider in flap design?
σ Depth of the buccal sulcus
σ Position & size of labial fraenum and muscle attachments
σ Size of lesion and number of teeth to be treated
σ All of the above
44. Which one of the following is NOT one of the basic steps of surgical extraction?
σ Incision & raising a flap
σ Application of Betadine around the tooth
σ Removal of bone and tooth or root division
σ Wound debridement and suture
45. When a fractured root tip can NOT be left in the socket?
σ The root tip has got infection
σ The root tip is smaller than 3mm
σ The root tip is closed to the maxillary sinus and closed to inferior alveolar nerve
σ All of the above
46. How do you prevent aspiration of a tooth or root into the lungs when doing an extraction?
σ Place a piece of sterilized gauze as a pharyngeal screen at the back of the patient's mouth
σ Place a rubber dam on the tooth
σ Patient stands up while extracting the tooth
σ Lay the patient flat while extracting the tooth
47. Which of the followings are the treatments of ecchymosis?
σ Apply ice pack on the bruise
σ Inject steroid
σ Reassure the patient and apply warm moist pack
σ Prescribe antibiotic and analgesics
48. How do you avoid TMJ dislocation during dental procedures?
σ Use mouth prop or bite block
σ Make short appointment
σ Support the mandible during extraction
σ All of the above
49. What are the symptoms and signs of alveolar osteitis (dry socket)?
σ Severe pain and discomfort from the extraction site and may radiate from to other parts of the head, ear, eye, and neck
σ Exposed bone around the socket and remaining food debris inside the socket
σ Delayed healing
σ All of the above
50. Which one of the treatment procedures of alveolar osteitis (dry socket) below is NOT always given to the patients?
σ Irrigate the socket with chlorhexidine
σ Prescribed antibiotic
σ Apply alvogyl in the socket
σ Prescribe strong analgesics
51. Which one of the following is NOT the prevention of dry socket?
σ Stop smoking
σ Stop oral contraceptive for several days before & a few days after surgery
σ Give antibiotic before extraction/surgery
σ Minimize extraction force
52. Which of the following is NOT the local measures to control bleeding after surgical extraction?
σ Use vitamin K
σ Apply pressure with sterilized gauze
σ Place Gelfoam or Surgicel in the socket
σ Suture across the socket
53. In aggressive measure to control bleeding, which medication is commonly used?
σ Adrenoxyl injection
σ Dicinone tablet
σ Tranexamic acid mouthrinse
σ Desmopressin injection
54. Which hemostatic agent do you use to control bleeding from bone?
σ Gelfoam
σ Bone wax
σ Surgicel
σ Ferric sulfate
55. How to prevent prolonged/excessive bleeding after extraction and oral surgery?
σ Assessing difficulty of surgery
σ Make proper incisions
σ Minimize excessive trauma to soft tissues tearing
σ Avoiding using Aspirin & NSAIDs after surgery
σ All of the above
56. What are the causes of surgical emphysema?
σ High-speed air turbine drills
σ Blowing air syringes
σ Increased intraoral pressure through sneezing
σ All of the above
57. What is a true cyst?
σ A non-inflammatory cyst
σ A pathological cavity enclosed in an epithelial lining, no communication to root canal (needs surgery)
σ An epithelial-lined cavity opens to and continuous with root canal (RCT/Apicect.)
σ A pseudocyst
58. What can you see in histopathological examination of a radicular cyst?
σ Keratin
σ Pus
σ Cholesterol crystals and inflammatory cells
σ Calcified materials
59. What are the treatment procedures for radicular cyst?
σ RCT with/without apicectomy if it’s small
σ Extraction and apical curretage
σ Enucleation for large cysts with or without apicectomy and retrograde filling
σ All of the above
60. What is a residual cyst?
σ A non- odontogenic cyst
σ A develomental cyst
σ An inflammatory cyst
σ A pseudocyst
61. What is a paradental cyst?
σ An odontogenic cyst which locates in between roots of vital teeth
σ Non-keratinised inflammatory cyst which locates distal to the mandibular third molar
σ A dermoid cyst
σ An eruption cyst of infant
62. Dentigerous cyst develops around:?
σ Root
σ Crown of unerupted tooth
σ Mandible
σ Gingiva
63. What is the clinical significant in Odontogenic Keratocyst?
σ Common among men
σ Aggressive behaviour with high recurrent rate
σ Commonly occur in anterior maxilla
σ Often involves with multiple cysts
64. How to treat odontogenic keratocyst?
σ Enucelation and curettage
σ Surgical ressection
σ Application of Carnoy's solution
σ All of the above
65. Which statements below about eruption cyst are true?
σ It's associated with erupting tooth
σ It's a soft tissue, bluish swelling over a crown of newly erupted tooth
σ Its histology is the same as dentigerous cyst
σ Its treatment is to excise or unroof the cyst lining
σ All of the above
66. What is the radiographic feature of calcifying odontogenic cyst?
σ Ill-defined radiolucency
σ Radiopaque along the margin of a radiolucency
σ Well-defined radiolucency containing varying amounts of radiopaque material (areas of calcification)
σ Ground glass appearance
67. Which cyst has got "heart-shape" radiolucency in nasopalatine canal?
σ Globulomaxillary cyst
σ Nasopalatine duct cyst
σ Nasolabial cyst
σ Radicular cyst
68. What type of cyst has got an empty cavity, no epithelial lining, commonly occurs in the mandible with a history of trauma?
σ Stafne's inclusion cyst
σ Aneurysmal bone cyst
σ Traumatic bone cyst or simple bone cyst or solitary bone cyst
σ Median mandibular cyst
69. What is the most common site for mucocele?
σ Upper lip
σ Lower lip
σ Tongue
σ Cheek
70. What is the most common indication for removal of sub-lingual salivary gland?
σ Sialoadenosis
σ Ranula (plunging)
σ Neoplasm
σ Lymphoma
σ Stone
71. What is the likely diagnosis when you aspirate from a soft tissue swelling showing blood?
σ Traumatic bone cyst
σ Abscess
σ Blood vessel
σ Haemagioma, aneurysmal bone cyst or contamination
72. Which case the enucleation of cyst in applied?
σ Small cyst in the jaws
σ Large cysts near vital structures
σ Ameloblastoma with aggressive behaviour
σ Cystic fibrosis
73. Which case of cyst do you need to do marsupialization?
σ Mucocele
σ Traumatic bone cyst
σ Very large cyst involving vital structures and ranula
σ All of the above
74. How to diagnose an Oro-antral fistula?
σ Insert a large needle into fistula & take X-ray
σ Squeeze patient nose & ask to strongly blow to see air bubble (Valsava test)
σ Use the probe to explore the fistula
σ All of the above
75. Which of the following is NOT the modes of spread of infection?
σ Saliva
σ Lymphatic
σ Blood
σ Direct spread
76. Where can the infection spread from maxillary 2nd premolar spread to?
σ Maxillary sinus
σ Palatal space
σ Infratemporal space
σ Infraorbital space or buccal space
77. Which one of the following space that the infection from the mandibular 3rd molar will NOT spread to?
σ Pterygomandibular
σ Lateral pharyngeal
σ Submandibular and submasseteric spaces
σ Infratemporal space
78. Which type of acute infection that can cause airway compromised?
σ Infraorbital space
σ Ludwig’s Angina
σ Buccal space
σ Canine space
σ Cavernous sinus
79. What is the most effective antibiotic for acute infection?
σ Rodogyl
σ Tetracycline
σ Amoxicillin plus clavulanic acid
σ Cephaxin
σ All of the above
80. In which case do you need to refer the patient to the hospital?
σ Localized infection
σ Extremely severe infections involving potential facial spaces
σ Palatal abscess
σ Canine space abscess
81. When aspirate a cystic lesion which shows cholesterol, what type of cyst might it be?
σ Dentigerous cyst
σ Eruption cyst
σ Inflammatory cysts
σ Odontogenic keratocyst
σ Aneurysmal bone cyst
82. When aspirate a cyst-like lesion which shows blood, what type of lesion might it be?
σ Contamination, aneurysmal bone cyst or haemengioma
σ Lipoma
σ Mucoccel
σ Radicular cyst
83. When aspirate a cyst-like lesion which shows air, what type of lesion/structure might it be?
σ Traumatic bone cyst or solitary bone cyst
σ Aneurysmal bone cyst
σ Thyroglossal duct cyst
σ Eruption cyst
84. What does crepitus or egg-shell crackling on palpation of the jaw bone mean?
σ The cortical bone is hard
σ The cortical bone is thin
σ The cortical bone is fractured
σ The bone is completely resorbed
85. How do you perform pulp vitality tests?
σ Tap on the tooth
σ Use periodontal probe
σ Spray air on the tooth
σ Use cold spray, hot GP points, or electric pulp tester
86. What are the surgical options of jaw cysts?
σ Apply acid
σ Enucleation, marsupializaion, and local resection +/- reconstruction
σ Incision and drainage
σ Root canal canal treatment
87. Which flap design will you raise for surgical enucleation of a radicular cyst at the apeces of teeth #12 and #11 with ceramic crowns?
σ Envelop flap
σ Triangular flap
σ Rectangular flap
σ Modified scallop semilunar flap
σ Semilunar flap
88. Which one of the following is the best method of marsupialization of large cysts?
σ Packing with gauze into the cystic cavity
σ Opening the cystic cavity with a plastic tube or sterilized urinary catheter
σ Packing with alveogyl
σ Covering the cystic cavity with resine sten
σ Packing the cystic cavity with gelfoam
89. Which one of the following is NOT the pedunculated lesion?
σ Denture irritation hyperplasia
σ Peipheral giant cell granuloma
σ Pregnancy epulis
σ Papillary hyperplasia of the palate
σ Pyogenic granuloma
90. Which of the following is NOT the treatment of denture-induced hyperplasia?
σ Leave the denture out at night
σ Remade the denture
σ Laser surgery
σ Surgical excision
91. Which one of the soft tissue lesions which penetrate into underlying bone (cupping)?
σ Peripheral Giant Cell Granuloma
σ Central giant cell granulama
σ Focal fibrous hyperplasia
σ Drug induced gingival hyperplasia
92. What is Rhadomyoma?
σ Benign tumour of fat tissue
σ Benign tumour of striated, voluntary muscle
σ Malignant tumour of bone
σ Malignant tumour of salivary gland
93. Which of one the following lesions do NOT need to do incisional biopsy?
σ Firoepithelial polyps
σ Mucocoeles
σ Fibromas
σ Haemengioma
σ Papillomas
94. How to treat benign tumours?
σ Observe
σ Reduce
σ Excise
σ Resect
σ All of the above
95. Which one of the following drug does NOT cause gingival hyperplasia?
σ Nifedipine
σ Warfarin
σ Phenytoin (Dilantin*)
σ Cyclosporin
96. What is Compound Odontome?
σ Odongenic tumour characterized by the formation of calcified enamel & dentin in an abnormal arrangement
σ A bag of teeth
σ A variant type of ameloblastoma
σ A malignant tumour of the tooth
97. What is radiographic feature of fibrous dysplasia?
σ Unilocular radiolucency in the tooth apex
σ Multilocular readiolucency in angle of the mandible
σ Dense radiopaque in the maxillary sinus
σ Ground glass appearance in the maxilla and mandible
98. Which one of the following is NOT the surgical treatment of benign tumour of the jaw bones?
σ Excise/enucleate/curettage
σ Resect
σ Chemotherapy
σ Reconstruct
99. Which of the following is NOT the mode of spread of infection?
σ Haematologic
σ Lymphatic
σ Saliva
σ Direct spread
00. Where can the infection from maxillary 2nd premolar spread to?
σ Maxillary sinus
σ Palatal space
σ Infratemporal space
σ Infraorbital space or buccal space
σ All of the above
101. Where can the infection from mandibular molars spread to?
σ Submandibular or buccal space
σ Sublingual space
σ Submental space
σ Lateral pharyngeal space
σ All of the above
102. Which one of the following space that the infection from the mandibular 3rd molar will NOT spread to?
σ Pterygomandibular
σ Lateral pharyngeal
σ Submandibular or submesseteric
σ Palatal space
σ All of the above
103. Which teeth that infection can cause cavernous sinus thrombosis?
σ Maxillary 2nd molars
σ Maxillary 3rd molars
σ Infection of maxillary canines, 1st premolars, and mesiobuccal root of the 1st molar
σ Maxillary incisors
104. What is the complication of cavernous sinus thrombosis?
σ Airway obstruction
σ Venous thrombosis and cranial compression
σ Osteomyelitis
σ Cold abscess
105. Which type of acute infection that can cause airway compromise?
σ Infra-orbital space
σ Ludwig’s Angina
σ Buccal space
σ Canine space
σ Cavernous sinus
106. What is the most important and first step to treat acute infection?
σ Prescribe antibiotic
σ Prescribe analgesics
σ Antiseptic mouthwash
σ Incision and drainage of pus
σ All of the above
107. Why local anesthetic is not allowed to inject in the infected site?
σ Very painful
σ Not effective anesthesia
σ Causing needle tract infection
σ All of the above
108. How do you make incision on a fluctuant abscess?
σ Like normal incision, blade cut on the surface of pointed swelling
σ Use number 12 blade to cut below the pointed swelling
σ Use number 11 blade, upside down to open the pointed swelling
σ Use the large needle to aspirate
109. Which antibiotic has become more resistant to bacteria?
σ Rodogyl
σ Azithromycin
σ Amoxicillin plus Clavulanic acid
σ Cephaxin
σ All of the above
110. In which case do you need to refer the patient to the hospital?
σ Localized infection
σ Ludwig’s Angina, Cavernous sinus thrombosis and other danger spaces
σ Buccal space abscess
σ Palatal abscess
σ All of the above
111. Why compound antibiotic such as Amxocillin + Clavulanic acid is more effective than single antibiotic?
σ It inhibits penicillinase or Betalactamases and active against Staph. Aureus
σ It is more expensive than single antibiotic
σ It is made in developed country
σ It is active against anaerobe bacteria
112. The danger area of face where from infection can spread directly to cavernous sinus includes:
σ From below the eyes up to chin
σ Area around the lips
σ Area around lips including lower part of nose
σ Whole of the face
σ From maxillary sinus.
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