Smoker's melanosis is characterized by flat, irregular hyperpigmentation of the connective tissue underlying the oral mucosa resulting from tobacco smoking. Basal cells and macrophages in the underlying connective tissue contain unusual amounts of melanin, which creates the darker pigmentation. Macrophages are unable to degrade all of the melanin, a phenomenon known as melanin incontinence.
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- Smoker's melanosis is characterized by flat, irregular hyperpigmentation of the connective tissue underlying the oral mucosa resulting from tobacco smoking. Basal cells and macrophages in the underlying connective tissue contain unusual amounts of melanin, which creates the darker pigmentation. Macrophages are unable to degrade all of the melanin, a phenomenon known as melanin incontinence.
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- Smoker's melanosis is characterized by flat, irregular hyperpigmentation of the connective tissue underlying the oral mucosa resulting from tobacco smoking. Basal cells and macrophages in the underlying connective tissue contain unusual amounts of melanin, which creates the darker pigmentation. Macrophages are unable to degrade all of the melanin, a phenomenon known as melanin incontinence.
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