Question 106 (part 2) · LDEK · Precancerous lesions and neoplasms

Most common cause of leukoplakia (in almost 80% of cases) is:

  1. A. alcohol.
  2. B. mechanical trauma.
  3. C. nicotine-dependency.
  4. D. consuming spicy and hot foods.
  5. E. chemical burns.
Hint

Consider which single exposure appears in the history of the overwhelming majority of patients with oral white keratotic lesions.

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