BDS Third Professional
ORAL MEDICINE
(MCQs)
Max. Marks 21
Total No. of MCQs 21
One mark for each
Time: 30 minutes
1. The most effective anti-plaque agent is
a) Benzydamine
b) Potassium Nitrate
c) Amphotericine
d) Chlorhexidine
e) Chlortetracycline
2. Prophylactic bisphosphonates are indicated in which of the following patients
a) Patients above the age of 50
b) Patients with serum calcium deficiency
c) Patients on radiation therapy of bone cancers
d) Patients with hyperparathyroidism
e) Patients on prednisolone ≥5mg/day for more than 3 months
3. A 20 year old female student presents with red patches on her tongue that move from one
location to another. They have been previously symptomless but have recently become
sensitive to spicy foods and tongue has become sore. Student feels tired & week. The
most likely cause of these symptoms are:
a) Progression of geographic tongue to malignancy
b) Iron deficiency anaemia accompanying geographic tongue
c) Patient has developed lichen planus from benign migratory glossitis
d) Symptoms are typical of geographic tongue and no further management is
required
e) Malnutrition because of benign migratory glossitis
4. A 70 year old gardener presents with crusting of lower lip for the last 4-5 years which
gets worse in the cold weather. It is diagnosed as actinic cheilitis which shows significant
dysplasia on histopathology. Its management is:
a) Advise the patient to apply Vaseline when going outdoors
b) Advise the patient to avoid of sun exposure
c) Advise the patient to apply sun blocks with high sun protection factor (SPF)
d) Vermillionectomy or Laser ablation, sun avoidance & use of sun screens
e) No management is required as the lesion is self healing
5. A 30 year old male presents with a painful ulceration on the gingiva adjacent to carious
lower right 5 for the last one week. He has been placing aspirin as a remedy for toothache
in this carious tooth. The management of this patient includes:
a) Treat the carious tooth
b) Take an incisional/excisional biopsy of the ulceration depending upon its size
c) Anti-septic mouthwash should be added to aspirin
BDS Third Professional
ORAL MEDICINE
(MCQs)
Max. Marks 21
Total No. of MCQs 21
One mark for each
6.
7.
8.
9.
Time: 30 minutes
d) Extraction of the adjacent tooth and application of lignocaine gel on ulceration
e) Cessation of aspirin placement and application of topical benzydamine and
chlorhexidine preparations
A 50 years old ex-smoker is referred to you by a cardiologist. He has a history of severe
recurrent oral ulcerations affecting lateral borders of tongue, labial mucosa & soft palate.
Ulcers are one or two at a time and persist for about 8 weeks. Patient has been on
potassium channel activator (nicorandil) for unstable angina and aspirin (75mg/day)
since his MI 9months ago. He has no eye, skin or genital ulcerations. The most probable
cause of these major RAS ulcers is:
a) Aspirin burn
b) Smoking cessation
c) Use of nicorandil (potassium channel activator)
d) Behcet’s disease
e) Both B & C
All of the following are etiologically associated with aphthous ulcers except:
a) Trauma, stress
b) Diabetes Mellitus
c) Smoking cessation
d) Microbial agents
e) Genetic factors
In a patient with chronic hyperplastic candidiasis, topical antifungal treatment fails to
eliminate the infection. Systemic anti-fungal (Fluconazole) was prescribed to this patient.
The best dosage regime of fluconazole is
a) 50-100mg daily
b) 150-200mg daily
c) 500mg daily
d) 1g daily
e) 2g daily
A 40 year old female presents to you with painless, indurated, dark red swelling in her
mouth with glazed surface. These were diagnosed as chancres and Traponema Pallidum
was isolated from these chancres. The first & second drug of choice for this patient is
a) Tetracycline and Erythromycin
b) Acyclovir and Fluconazole
c) Fluconazole and tetracycline
d) Penicillin and Tetracylince or erythromycin
e) Penicillin only
BDS Third Professional
ORAL MEDICINE
(MCQs)
Max. Marks 21
Total No. of MCQs 21
One mark for each
Time: 30 minutes
10. A patient presents with soreness and bleeding of gingivae, necrosis of the gingival
papillae and marked halitosis. The drug of choice in this case would be
a) Metronidazole 200mg T.D.S with chlorhexidine mouthwash
b) Penicillin 500mg T.D.S with amphotericin mouthwash
c) Chlorhexidine mouthwash with lignocaine gel
d) Systemic steroids and anti-fungals
e) Systemic anti-virals and anti-fungals
11. For severe cases of RAS and ulcerations associated with Behcet’s disease and HIV that
have failed to respond to topical & systemic steroids, the drug of choice for patients
excluding pregnant mothers is:
a) Colchicine
b) Azathioprine
c) Thalidomide
d) Ciclosporin
e) Fluconazole
12. A 65 year old male presents to you for dental treatment. He is a chronic chain smoker
(30cigarettes/day) and has a croaky voice. He gives a 2 months history of increasing
hoarseness. On examination, a hard, fixed, non-tender jugulo-omohyoid lymph node is
palpable. Which lesion would you suspect to run further investigations?
a) Oral Squamous cell carcinoma
b) Spread of dental infection (abscess) to larynx
c) Severe tonsillitis
d) Lymphadenopathy of jugulo-omohyoid region
e) Squamous cell carcinoma of larynx
13. The most frequent cause of xerostomia is:
a) Aplasia or atresia
b) Drugs
c) Sjogren’s syndrome
d) Therapeutic irradiation
e) Mouth breathing
14. An 18 year old male presents with a swelling of the right side of his neck. The
differential diagnosis includes all except:
a) Cervical lymphadenopathy
b) Thyroglossal cyst
c) Carotid body tumour
d) Pharyngeal pouch
BDS Third Professional
ORAL MEDICINE
(MCQs)
Max. Marks 21
Total No. of MCQs 21
One mark for each
15.
16.
17.
18.
19.
Time: 30 minutes
e) Cystic hygroma
The normal flow rate of unstimulated whole saliva is approximately
a) 0.1ml/minute
b) 0.3ml/minute
c) 1-2ml/minute
d) 4-6ml/minute
e) 5-10ml/minute
Carlson-Crittenden collector is used in
a) Sialometry to collect saliva
b) Sialography to inject radio-opaque dye into the gland
c) Scintigraphy to label 99Tm
d) Sialochemistry
e) Ultrasonography
All of the following are true about chewing xylitol containing sugar free gums in patients
of xerostomia, except:
a) Increases flow of stimulated saliva to levels 3-10 times the normal value
b) Helps preventing caries, enhancing buffering capacity & remineralization
c) Increases resting salivary flow rate for up to 30 minutes beyond period of
chewing
d) Has anti-microbial, anti-caries effect
e) Regeneration of lost secretory units in the salivary glands
A 55 year old female presents to you with xerostomia, xerophthalmia and rheumatoid
arthritis. This patient is diagnosed with secondary sjogren’s syndrome. She has
developed a persistent parotid enlargement. What lesion do you suspect in this gland to
run further investigation?
a) Hodgkin’s lymphoma
b) Non-Hodgkin’s lymphoma
c) Burkit’s lymphoma
d) Systemic sclerosis
e) SLE
A 51 year old Jewish man presents with a 9 months history of mouth ulceration causing
discomfort in eating. He reports of large blisters inside his lips that rapidly burst. He has
also developed skin lesions on his back & eroded skin can be seen clinically. There are
no ocular or genital symptoms. Nikolsky sign is positive. The investigation to make
definitive diagnosis include:
a) Direct immunoflourescence(IMF) of peri-lesional tissue & indirect
BDS Third Professional
ORAL MEDICINE
(MCQs)
Max. Marks 21
Total No. of MCQs 21
One mark for each
Time: 30 minutes
immunoflourescence(IMF) of blood serum
b) Indirect IMF of peri-lesional tissue & direct IMF of blood serum
c) Indirect IMF of lesional tissue & indirect IMF of blood serum
d) Direct IMF of lesional tissue & indirect IMF of blood serum
e) Nikolsky sign is positive and no further investigation is required
20. A 5 year old girl is referred to you by a dermatologist for dental treatment. On oral
examination, you find hypoplastic teeth, scarring caused by trauma from suckling, eating
& tooth brushing resulting into immobility of tongue & lips, cracks at corners of mouth
& limited mouth opening. What is the most probable diagnosis is this case?
a) Mucous membrane pemphigoid
b) Pemphigus vulgaris
c) Epidermolysis bullosa
d) Bullous pemphigoid
e) Erosive lichen planus
21. A 40 year old male presents to you with paroxysmal, sharp, lancination pain affecting
one side of the throat and base of the tongue that is precipitated by swallowing, chewing
& coughing. The most probable diagnosis in this case is:
a) Trigeminal neuralgia
b) Glossopharyngeal neuralgia
c) Post herpetic neuralgia
d) Giant cell arteritis
e) Frey’s syndrome
BDS Third Professional
ORAL MEDICINE
(MCQs)
Max. Marks 21
Total No. of MCQs 21
One mark for each
Time: 30 minutes
KEY
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
D
E
B
D
E
E
B
A
D
A
C
E
B
B
B
A
E
B
A
C
B