Genetic Control of Melanin Pigmentation in the Fowl
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Interrelationship of Smoking, Lip and Gingival Melanin Pigmentation, and Periodontal Status
Background: Cigarette smoking is a significant risk factor for periodontal disease. It also causes pigmentation of oral mucosa. The present study was aimed to assess the effects of smoking on lip and gingival pigmentation and periodontal status and the relationship between pigmentation and periodontal parameters. Methods: A total of 109 smokers and an equal number of non-smoker controls (mean a...
متن کاملCorrelation of skin color and gingival pigmentation patterns in a group of South Indians in India
Background: Melanin pigmentation of the gingiva occurs in allethnicities. Excessive pigmentation is an esthetic concern thathas increased awareness about depigmentation procedures. Thepurpose of the present study was to correlate the skin color andgender with the intensity and distribution of gingival melaninpigmentation in a group of South Indians for treatment strategies.Method: Two hundred m...
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Background & Aims: Oral mucosa has a pink color in healthy people and can vary from light to dark. Gingiva may get discolored due to internal and external causes. One of the causative factors is melanin pigmentation. Melanin is brownish pigment that is not derived from hemoglobin, and accounts for some of the natural discoloration and pigmentation of gingiva and other mucosal layers of oral cav...
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Background and purpose: Melasma is a common skin pigmentation disorder that manifests as hyperpigmented macules and patches. Genetic predisposition, sun exposure, and pregnancy are known risk factors for melasma. Previous studies have suggested that thyroid disorders may be associated with melasma. Given the fact that vitamin D affects and stimulates the production of melanin by melanocytes, th...
متن کاملMonogenic pigmentary skin disorders: genetics and pathophysiology.
For centuries skin pigmentation has played a major societal role, and genetic disorders of skin pigmentation have always evoked the curiosity of both laypersons and physicians. Normal skin pigmentation is a complex process that begins with the synthesis of melanin within the melanocytes, followed by its transfer to neighboring keratinocytes where it is translocated to the upper pole of the nucl...
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