Gingiva is most commonly affected by deficiency of_____________?

Correct answer: C. Vitamin C

A. Vitamin A
B. Vitamin D
C. Vitamin C
D. Vitamin B

Explanation

Vitamin C deficiency causes defective collagen formation, resulting in swollen, bleeding and poorly healing gingiva as seen in scurvy. The other listed vitamins have different principal oral effects.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 18 September 2026

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Gingiva is most commonly affected by deficiency of_____________?

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