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Cigarette smoking may produce a diffuse leukoplakia of the buccal mucosa, lips, tongue and rarely the floor of mouth. [29] Reverse smoking, where the lit end of the cigarette is held in the mouth is also associated with mucosal changes. [29] Tobacco chewing, e.g. betel leaf and areca nut, called paan, tends to produce a distinctive white patch ...
Smokeless tobacco keratosis (STK) [4] is a condition which develops on the oral mucosa (the lining of the mouth) in response to smokeless tobacco use. 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.
The prevalence depends on a society's use of consuming hot beverages and of smoking in its various forms. A similar, but more pronounced palatal keratosis occurs with reverse smoking. This is where the lit end of the cigar or cigarette is held in the mouth, another form of smoking associated with high levels of heat in the mouth. [6]
Tobacco is the greatest single cause of oral and pharyngeal cancer. Using tobacco increases the risk of oral cancer by 3 to 6 times [20] [9] and is responsible for around 40% of all oral cancers. [21] Smokeless tobacco (including chewing tobacco, snuff, snus) also causes oral cancer. [22] [23] [24] Cigar and pipe smoking are also important risk ...
Dr. Vivek Murthy, the US surgeon general, released a report warning that alcohol can cause cancer. It's the third leading preventable cause of cancer in the US, after tobacco and obesity, he said.
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.
Squamous cell carcinoma of the mouth. Oral cancer affects the areas of the mouth, including the inner lip, tongue, floor of the mouth, gums, and hard palate. Cancers of the mouth are strongly associated with tobacco use, especially the use of chewing tobacco or dipping tobacco, as well as heavy alcohol use.
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