Search results
Results From The WOW.Com Content Network
Due to this, dark pigmentation may be visible on the oral mucosa or skin. [10] Most common oral sites include: buccal mucosa, lips, gums, hard palate or tongue. Intraoral sites are usually seen as the first sign and they usually develop prior to the skin lesions. [11]
In the oral mucosa, where the ageing epithelial cells move faster to the surface compared to skin, a similar defence-mechanism seems to be present, cleaning the mucosa from different toxic chemicals penetrating the epithelium. Besides chemicals in tobacco also antimalaria-drugs cause an oral pigmentation.
These cells produce melanin, which are pigments that cause light or dark brown spots in gums and oral mucosa. The most common cause is genetic factors or tobacco smoking, Smoker's melanosis. [2] If the melanin pigmentation is found in a person smoking cigarettes, the most effective way to get rid of the pigmentation is to stop smoking.
Amalgam tattoo usually occurs on the mandibular gingiva, often in an area in which an apicoectomy ("root-end filling") with amalgam was carried out. [3]: 138 After the gingiva, the alveolar mucosa and the buccal mucosa are the next most common sites, although any mucosal site in the mouth is possible. [1]
The ethnic variation may be explained by genetic factors or simply because dark skinned people have greater amount of melanin in the mucosa, making it appear darker (termed racial or physiologic pigmentation). This darker mucosa may make the edematous changes more noticeable, whereas in the mucosa of people with lighter skin types leukoedema ...
The oral mucosa is the mucous membrane lining the inside of the mouth. ... They can be preceded by café au lait pigmentation spots on the skin, and as they grow can ...
The oral pigmentations are the first on the body to appear, and thus play an important part in early diagnosis. Intraorally, they are most frequently seen on the gingiva, hard palate and inside of the cheek. The mucosa of the lower lip is almost invariably involved as well. Hamartomatous polyps in the gastrointestinal tract. These are benign ...
Melanocytic oral lesions are an extremely uncommon condition characterized by pigmented lesions of the mucous membranes. [1]: 807 See also. Mucosal squamous cell ...