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Dental General cec763ef

All of the following are true about vitiligo except:

A
Autoimmune destruction of melanocytes
B
Vitiligo vulgaris is the most common type
C
Black hair is a poor prognostic sign
D
Koebner's phenomenon positive
High-Yield Explanation
Since black hair follicle has melanocyte precursors, it is a good prognostic sign.

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