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Dentistry · Oral pathology
Sample itemWhat is a major risk factor for oral squamous cell carcinoma?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Tobacco exposure
Tobacco exposure substantially increases oral squamous cell carcinoma risk, especially when combined with alcohol, and persistent lesions need timely evaluation.
Option by option
A. Fluoride use
Fluoride prevents caries at appropriate exposure.
B. Tobacco exposure (correct)
Correct: tobacco is a major oral cancer risk factor.
C. Orthodontic treatment
Orthodontics is not a major oral cancer cause.
D. Regular brushing
Regular brushing supports oral hygiene rather than cancer risk.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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