A. Vitamin A deficiency
B. Any periodontal disease
C. Acute nicotinic acid deficiency
D. Ascorbic acid deficiency
Correct Answer: Acute nicotinic acid deficiency ✔
Last Updated: February 07, 2020
A. Vitamin A deficiency
B. Any periodontal disease
C. Acute nicotinic acid deficiency
D. Ascorbic acid deficiency
Correct Answer: Acute nicotinic acid deficiency ✔
Last Updated: February 07, 2020