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Generally it appears as a white patch, located at the point where the tobacco is held in the mouth. The condition usually disappears once the tobacco habit is stopped. It is associated with slightly increased risk of mouth cancer. There are many types of smokeless tobacco. Chewing tobacco is shredded, air-cured tobacco with flavoring.
There is a similarity between this appearance and that of hairy leukoplakia, linea alba and leukoedema. [2] In people with human immunodeficiency virus, who are at higher risk of oral hairy leukoplakia, a tissue biopsy may be required to differentiate between this and frictional keratosis from cheek and tongue chewing.
Using chewing tobacco increases the risk of fatal coronary heart disease and stroke. [25] [26] In 2010 more than 200 000 people died from coronary heart disease due to smokeless tobacco use. [27] Use of chewing tobacco also seems to greatly raise the risk of non-fatal ischaemic heart disease among users in Asia, although not in Europe. [25]
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.
The sixty-year-old patient’s face skin also turned grey, doctors say
Tobacco chewing, e.g. betel leaf and areca nut, called paan, tends to produce a distinctive white patch in a buccal sulcus termed "tobacco pouch keratosis". [1] In the majority of persons, cessation triggers shrinkage or disappearance of the lesion, usually within the first year after stopping.
Black hairy tongue syndrome (BHT [4]) is a condition of the tongue in which the small bumps on the tongue elongate with black or brown discoloration, giving a black and hairy appearance. The appearance may be alarming, but it is a harmless condition.
Tongue lesions are more common in persons who wear dentures and tobacco users. [10] The most common tongue conditions are geographic tongue, followed by fissured tongue and hairy tongue. [ 10 ]