The thinnest epithelium of oral cavity is found in the____________?

Correct answer: D. Sublingual mucosa (floor of mouth)

  • A. Buccal gingiva
  • B. Lingual gingiva
  • C. Oral surface of lip
  • D. Sublingual mucosa (floor of mouth)

Explanation

The floor of the mouth has the thinnest oral epithelium, allowing substances placed sublingually to be absorbed rapidly. Gingiva is masticatory mucosa and is considerably thicker.

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