Pigmentation in Oral Cavity

Why Pigmentation are present in Oral Cavity?

Melanocytes are a normal component of the basal cell layer of the oral epithelium. They cause varying degrees of mucosal pigmentation, ranging from light brown to black, due to the production of melanin.

Physiologic pigmentation is observed much more frequently in darker skinned individuals, however, even those with very fair complexions may demonstrate characteristic findings. Focal, freckle-like melanotic macules are very common.

melMelanotic macule of the lower lip with dark brown pigmentation and sharply defined borders. The lips are slightly chapped.

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