1q: epulis arises from ?
- root of teeth
answer: c. gingiva or gum .
2q: the commonest site of oral cancer among Indian population is ?
- floor of the mouth
- alveobuccal complex
answer: c . alveobuccal complex . the most common type of oral cancer in India is buccal mucosa ( 38 % ) followed by anterior tongue secondly ( 16 %) and thirdly lower alveolus ( 15.7 % ) . so when the percentages of buccal mucosa and lower alveolus are combined it is alveobuccal complex ( 53.7 % ) that is the most common type of oral cancer in India .
worldwide the most common type of oral cancer is the carcinoma of the lip and secondly carcinoma of the tongue .
3q: a patient has small, oval multiple ulcers in oral cavity with red erythematous margins . the diagnosis is ?
- apthous ulcer
- tubercular ulcer
- syphilitic ulcer
answer: b . apthous ulcers .
4q: the premalignant condition with the highest probability of progression to malignancy ?
answer: d . erythroplakia . the malignant potential of erythroplakia is 17 times higher than leukoplakia .
5q: in carcinoma cheek what is the best drug for single drug chemotherapy ?
answer: c . cisplatin . CISPLATIN is the best drug for single drug chemotherapy in the treatment of carcinoma cheek .
6q: painless ulcer of the tongue is due to ?
answer: b . syphilis .
7q: most common type of oral cancer ?
answer: a . lip . when it is not mentioned in the question about a specific country , assume that it is the most common occurrence in the world and so the answer here is the most common type of oral cancer in the world is lip .
8q: commonest cancer of the oral cavity ?
- squamous cell carcinoma
answer: d . squamous cell carcinoma . most of the cancers of the head and neck are of the squamous cell type .
9q: what is ranula ?
- retention cyst of sublingual gland
- retention cyst of submandibular gland
- extravasation cyst of sublingual gland
- extravasation cyst of submandibular gland
answer: a . retention cyst of sublingual gland .
10q: the most frequent tooth to be impacted is ?
- lower third molar
- lower canine
- upper third molar
- upper premolar
answer: a . lower third molar . the second most common type of tooth to be impacted is upper third molar and thirdly the maxillary canine .