Violation
The colour of normal gingiva is affected by the 1. vascularity of the gingiva. 2. epithelial keratinization. 3. thickness of the epithelium. 4. melanin pigmentation.
(1) and (3)
All of the above.
(1) (2) (3)
(4) only
(2) and (4)
The colour of normal gingiva is affected by the 1. vascularity of the gingiva. 2. epithelial keratinization. 3. thickness of the epithelium. 4. melanin pigmentation.
(1) and (3)
All of the above.
(1) (2) (3)
(4) only
(2) and (4)