Oral and Maxillofacial Surgery MCQs
Bhatia’s Dentogist | MCQs in Oral Surgery: CYSTS AND TUMOURS OF ORAL CAVITY
A high-yield question bank for mastering oral pathology and its surgical implications.
Bhatia’s Dentogist | MCQs in Oral Surgery
CYSTS AND TUMOURS OF ORAL CAVITY
Part 4: Oral and Maxillofacial Surgery
Bhatia’s Dentogist: MCQs in Dentistry
Part 4 : Oral and Maxillofacial Surgery (Cysts and Tumours of Oral Cavity)
- Difference between epithelium of oral cavity and cavity lining of a cyst is?
A. Stratum corneum
B. Stratum lucidum
C. Stratum germinativum
D. Stratum spinosum - Difference between epithelium of oral cavity and cavity lining of a cyst is?
A. Stratum corneum
B. Stratum lucidum
C. Stratum germinativum
D. Stratum spinosum - A patient has squamous cell carcinoma of lip with invasion into the alveolar. The patient is edentulous. Appropriate treatment is: (AI 2001)
A. Segmental mandibulectomy
B. Marginal mandibulectomy
C. Hemi-mandibulectomy
D. Commando operation - A patient with carcinoma of tongue has also an enlarged lymph node of lower neck. Treatment involves: (AI 2001)
A. Suprahyoid neck dissection
B. Supraomohyoid neck dissection
C. Radical neck dissection
D. Tele radiotherapy - Treatment of pleomorphic adenoma of parotid in: (AI 2001)
A. Total parotidectomy
B. Superficial parotidectomy
C. Deep parotidectomy
D. Radical parotidectomy - Best treatment for large cyst: (AI 2002)
A. Enucleation
B. Marsupialization
C. Marsupialization followed by enucleation
D. Enucleation followed by marsupialization - An edentulous patient has carcinoma of the oral cavity infiltrating into alveolar margin, which of the following would not be indicated in managing the case? (AI 2002)
A. Segmental mandibulectomy
B. Marginal mandibulectomy with removal of the outer table
C. Marginal mandibulectomy with removal of the upper half of mandible
D. Radiotherapy - Carnoy’s solution is used in the treatment of:
A. Odontogenic keratocyst
B. Ameloblastoma
C. Dentigerous cyst
D. Mucocele - A specimen for a biopsy should be taken from:
A. Rejections area
B. Subdermal layer
C. Border of an ulcerated area
D. Center of an ulcerated area - A branchial cyst develops from vestigial remnants of: (KCET 2007)
A. Fourth branchial
B. 2nd branchial cleft
C. 3rd branchial cleft
D. 1st branchial cleft - Enbloc resection of the segment of the bone:
A. Complete resection of the jawbone
B. Resection of half of the affected jaw
C. Resection of the tumour only (KCET 2007)
D. The entire tumour is removed intact with a rim of uninvolved bone while maintaining continuity of jaw - The swelling of bone usually seen with a cyst is due to:
A. Ballooning of cortical plates
B. New subperiosteal deposition
C. Soft tissue reactive swelling
D. Cortical plates being reabsorbed and cystic lining causes the swelling - In an otherwise asymptomatic cystic swelling there is sudden neuropraxia in inferior alveolar nerve region it can be due to:
A. Infection of cyst
B. Expansion of periosteum due to cyst
C. Neuritis
D. Neuralgia - A patient presents with a non vital tooth and swelling in the labial sulcus. On aspiration straw coloured fluid is present a tentative diagnosis would be:
A. Nasopalatine cyst
B. Solitary bone cyst
C. Keratocyst
D. Periapical periodontal cyst - With infected large cyst the adjoining teeth give a negative vital response, it is:
A. Non reversible
B. Reversible after decompression
C. Extraction of the teeth is a must
D. None of the above - In following situations an artefact may simulate a cystic lesion (except in):
A. Radiolucent area in periapical region of central incisors
B. Radiolucent area apical to mandibular premolar
C. Radiolucent area apical to maxillary canines
D. Radiolucent area in ramus of the mandible below sigmoid notch - To obtain better informative radiographic view of a cyst which has eroded the cortex considerably:
A. Exposure time should be reduced
B. Exposure time should be increased
C. Voltage should be increased
D. Milliampere should be increased - Partsch operation is same as:
A. Marsupialisation
B. Decompression with enucleation
C. Only enucleation
D. Enucleation with marsupialisation - Fissural cysts should be ideally treated by enucleation because:
A. The cysts are smaller in size
B. They never enlarge to a size where enucleation cannot be done
C. The bone does not always regenerate from margins and fissural areas
D. Marsupialisation would leave the cavities open and these areas are more susceptible to infection - Bohn’s nodules are:
A. Cystic swellings in neonates
B. Cysts associated with soft palate
C. Cysts of gingiva in growing children
D. Warts on the tongue - The choice of treatment for keratocyst should be:
A. Marsupialisation
B. Marsupialisation with secondary closure
C. Enucleation
D. Marsupialisation with primary closure - The high recurrence rate of keratocysts is incriminated to:
A. Its fragile thin lining
B. Presence of daughter cysts in the cystic lining
C. Presence of daughter cysts in the capsule of the cyst
D. All of the above - The protein content of periapical and dentigerous cysts is:
A. 5-11 gm/dl
B. Less than that of serum
C. More than that of serum
D. Less than 4 gm/dl - The window for marsupialisation shows maximum contracture when:
A. It consists of sulcus mucosa supported by loose connective tissue
B. It consists of sulcus mucosa with firm periosteal bed loosely adherent to bone
C. It consists of mucoperiosteum firmly adherent to underlying bone
D. Cyst is large - Complete enucleation of cyst in palatal area carries danger of:
A. Excessive bleeding from nasopalatine artery
B. Severing of nasopalatine nerve
C. Tear of nasal mucosa
D. Alteration of speech - In cysts of maxilla involving maxillary sinus marsupialisation pack should be changed from:
A. Nasal antrostomy
B. Caldwell luc operation
C. Palatal opening
D. From tooth socket - In a 48-year-old patient the treatment of dentigerous cyst with impacted molar lying near lower border of mandible, would be:
A. Enucleation with primary closure and IMF
B. Marsupialisation with extraction of molar
C. Marsupialisation with IMF
D. Enucleation with secondary closure - In which of the situation/s the cystic lining would have become thick and adherent?
A. Infection
B. Already decompressed earlier
C. Tooth has been extracted without treating the cyst
D. All of the above - During enucleation the incision should be placed on:
A. Firm bony base
B. Mucosa only
C. Cystic lining
D. Cystic capsule - If during enucleation of a cyst the apices of adjacent normal teeth become exposed:
A. Retrograde filling should be done with calcium hydroxide
B. They should be treated endodontically with apicocotomy
C. Dressing and secondary closure should be done
D. If vital they should be observed for three months - One of the main reasons for breakdown of suture line after primary closure is:
A. Dead space
B. Haematoma formation
C. Saliva seepage
D. Retaining adjacent teeth - The best material to be packed in large bony cavity after enucleation of cyst is:
A. Allogenic bone
B. Hydroxy apatite crystals
C. Autogenic medullary bone chips
D. Autogenic cortical pieces - Cysts from the following teeth usually expand palatally (except):
A. Maxillary lateral incisors
B. Roots of maxillary premolars
C. Upper molars
D. Upper central incisors - An early stage cementoma may be erroneously diagnosed as a periapical cyst but for the:
A. Position of lesion
B. Vitality of tooth
C. Radiopacity of the margin
D. Age of the patient - Lateral developmental periodontal cyst is typically present:
A. In relation to vital teeth
B. In relation to submental space
C. In relation to pulpless maxillary teeth only
D. Supernumerary non vital teeth - Eruption cysts should be treated:
A. Immediately with enucleation
B. By marsupialisation
C. With no active treatment
D. With antibiotics - The protein content of keratocyst is found to be:
A. < 4 gm/dl
B. > 6 gm/dl
C. Equal to serum protein
D. More than serum protein - Treatment of keratocyst is:
A. Marsupialisation
B. Enucleation
C. Excision
D. Enucleation with secondary closure - A 36-year-old patient presented with an asymptomatic swelling on left side of body of mandible, radiograph shows small radiopaque specks within the bone cavity and on aspiration straw colored fluid was present. It is a typical picture of:
A. Ameloblastic adenomatoid tumour
B. Calcifying epithelial odontogenic cyst
C. Keratocyst
D. Cystic odontoma - A 26-year-old male patient presented with multiple keratocysts, basal cell carcinoma on right cheek and dyskeratosis with bifid rib. Diagnosis would constitute:
A. Gorlin’s cyst
B. Gorlin’s syndrome
C. Marfan’s syndrome
D. Pierre Robin syndrome - Globulomaxillary cyst occupies bony region between:
A. Maxillary central incisor and lateral incisor
B. Maxillary lateral incisor and canine
C. Maxillary canine and premolar
D. 1st and 2nd premolar of maxilla - A 18-year-old boy presented with swelling in labial sulcus, difficulty in breathing, radiogram shows no radiolucent lesion of the bone and on aspiration straw coloured fluid was present. It could be:
A. Medial palatine cyst
B. Nasoalveolar cyst
C. Nasal polyp
D. Nasopalatine duct cyst - A patient 14 years of age presented with swelling on right mandible, the adjacent teeth were vital. Radiographically there was an extensive radio-lucent lesion with scalloped margin extending between the roots and lamina dura was intact. On aspiration golden yellow coloured fluid was present, a tentative diagnosis can be:
A. Aneurysmal bone cyst
B. Haemorrhagic bone cyst
C. Stafne’s bone cyst
D. Static bone cyst - Traumatic bone cyst is also known as:
A. Solitary bone cyst
B. Haemorrhagic bone cyst
C. Static cyst
D. A and B - Stafne’s bone cyst is a:
A. True cyst
B. Bony depression above inferior alveolar canal
C. Bony depression below inferior alveolar canal
D. Radiolucent area below inferior alveolar canal - The static bone cyst should be treated by:
A. Enucleation
B. Marsupialisation
C. No active treatment
D. Exploration and closure - An example of retention cyst is:
A. Mucocele
B. Ranula
C. Dermoid cyst
D. Branchial cyst - Mucocele should be treated by:
A. Marsupialisation
B. Enucleation of cyst
C. Enucleation of the cyst and the minor salivary gland
D. Decompression only - Trauma to the excretory ducts of sublingual salivary glands causes:
A. Ranula
B. Mucocele
C. Solitary cyst
D. Sialolithiasis - Following cysts occur on lateral side of neck:
A. Dermoid cyst
B. Thyroglossal cyst
C. Branchial cyst
D. Epidermoid cyst - A patient presented with a small cystic swelling in anterior region of neck which moved on swallowing and on protrusion of tongue, it could be:
A. Dermoid cyst
B. Thyroglossal cyst
C. Epidermoid cyst
D. Branchial cyst - A 33-year-old patient reported with an extensive ameloblastoma of mandible but the lower border was not involved, the treatment should be:
A. Curettage
B. En-block resection
C. Segmental resection
D. Hemimandibulectomy - The recommended treatment modality for Pindborg’s tumour is:
A. Curettage
B. Enucleation
C. Excision/resection
D. Marsupialisation with secondary closure - Adenoameloblastoma should be managed by:
A. Enucleation
B. En-block resection
C. Segmental resection
D. Hemi/partial mandibulectomy - When performing curettage in aggressive tumours such as ameloblastoma or Pindborg’s tumour, one should:
A. Not sacrifice vital structures present in the area
B. Sacrifice the vital structures present in the area
C. Both tumours are not aggressive
D. None of the above - The surgical management of Brown’s tumour of mandible is:
A. En-block resection
B. Segmental resection
C. Parathyroidectomy
D. No treatment - A patient presented with a radiolucent lesion and biopsy report shows giant cells the lesion could be:
A. Giant cell granuloma
B. Brown tumour
C. Cherubism
D. All of the above - A 8-year-old boy presented with bilateral swelling of mandible which was asymptomatic and slowly progressive in nature, radiologic picture had extensive bilateral multilocular radiolucencies in posterior mandibular angle and body, this is a characteristic picture of:
A. Hand-Schüller-Christian disease
B. Letterer-Siwe disease
C. Cherubism
D. Eosinophilic granuloma - A hypertensive patient having cafe au lait spots, hypoplastic maxilla and signs of mental deficiency presented with a soft tissue mass on buccal mucosa, this should incite surgeon to investigate for:
A. Neurofibromatosis
B. Neurilemmoma
C. Down syndrome
D. Pierre Robin syndrome - A 35-year-old patient with history of trauma complained of intermittent pain in (right) mandible with areas of paresthesia. X-ray picture revealed a radiolucent area extending into the inferior alveolar canal, on aspiration no fluid/gas was present, one can suspect:
A. Haemorrhagic bone cyst
B. Aneurysmal bone cyst
C. Traumatic neuroma
D. None of the above - Incision for removal of a painful torus should be placed:
A. In the midline
B. Paramedian
C. From crevices of teeth
D. As an envelope flap - Following method/methods can be used for treating oral leukoplakia:
A. Excision
B. Cryotherapy
C. Fulguration
D. All of the above - Treatment of pyogenic granuloma consists of:
A. Antibiotics and analgesics
B. Excision with removal of teeth
C. Excision without removal of teeth
D. None of the above - Peripheral giant cell granuloma should be treated by:
A. En-block resection
B. Excision with removal of teeth
C. Excision without removal of teeth
D. Segmental resection - If after extracting a mandibular tooth, one encounters bleeding due to an underlying haemangioma the first step in treatment would be:
A. Carotid artery ligation
B. Inferior alveolar artery ligation
C. Replacing the tooth in the socket
D. Pressure packing - Chondromas are:
A. Radiosensitive
B. Radiopaque
C. Radioresistant
D. Only present in condylar area - The management of ossifying fibroma consists of:
A. En-block resection
B. Curettage/enucleation
C. Segmental resection
D. Cryotherapy - A 14-year-old female patient presented with swelling on (right) side of face in maxillozygomatic area. The swelling has been slowly progressive in nature, radiograph shows diffuse radiopaque mass involving maxillary sinus and zygoma, with a typical ‘ground glass’ appearance this is a characteristic picture of:
A. Osteoma
B. Ossifying fibroma
C. Fibrous dysplasia
D. Osteosarcoma - The recommended treatment for fibrous dysplasia is:
A. Curettage for contouring
B. Resection en-block
C. Radiotherapy
D. Excision - The tumours which are poorly differentiated are:
A. Radiosensitive
B. Radioresistant
C. Radiostropic
D. Radiorefractive




