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Amalgam tattoo is a grey, blue or black area of discoloration on the mucous membranes of the mouth, typically on the gums of the lower jaw. It is a healthcare caused lesion, due to entry of dental amalgam into the soft tissues. It is common, painless, and benign, but it can be mistaken for melanoma
Smoker's melanosis is seen with the naked eye as a brown to black pigmentation of the oral tissue i.e. the gums, [1] cheeks or palate [2] as well as in larynx. [3] [4] It is most often seen in the lower labial gingiva of tobacco users. Most easily it is found in Caucasians, due to their lack of a genetically caused melanin pigmentation. [5] [6]
Gum depigmentation, also known as gum bleaching, is a procedure used in cosmetic dentistry to lighten or remove black spots or patches on the gums consisting of melanin. . Melanin in skin is very common in inhabitants in many parts of the world due to genetic fact
These macules often vary in shades of brown, size and are confluent, Although any oral site can be affected, in almost all cases pigmented macules appear on the buccal mucosae, lips and around the mouth. Pigmented macules on the face are less common. The extent of oral involvement and degree of pigmentation varies between each individual case.
The color of calculus varies, and may be grey, yellow, black or brown. [12] Tobacco: Tar in smoke from tobacco products (and also smokeless tobacco products) tends to form a yellow-brown-black stain around the necks of the teeth above the gumline. [12] Betel chewing. [13] Certain foods and drinks.
Early periodontitis: In this stage, inflammation moves deeper into the gum tissues, causing pockets between the gums and teeth. The gums may begin to recede, making the teeth appear longer.
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They are caused by prolonged irritation in the mouth, such as cheek or lip biting, rubbing from teeth, and dental prostheses. The fibromas are firm, smooth, and fibrous with a color usually identical to the oral mucosa but can be paler. If wounded, it may be darker. They are usually solitary and do not develop into oral cancer.