Doctors and scientists cant say for sure what causes each case of oral cavity or oropharyngeal cancerbut they do know many of the risk factors and how some of them may lead to cells becoming cancerous scientists believe that some risk factors such as tobacco or heavy alcohol use may cause these cancers by damaging the dna of cells that line the inside of the mouth and throat. Oropharyngeal cancer is a disease in which malignant cancer cells form in the tissues of the oropharynx the oropharynx is the middle part of the pharynx throat behind the mouth the pharynx is a hollow tube about 5 inches long that starts behind the nose and ends where the trachea windpipe and esophagus tube from the throat to the stomach begin. Linda c niessen gretchen gibson in treatment planning in dentistry second edition 2007 oral cancer and other malignant neoplasms oral cancer causes serious morbidity and mortality in older adults the treatment and resulting oral disabilities are devastating and 50 of patients with diagnosed oral cancer die within 5 years 22 most oral cancers 90 are squamous cell carcinoma and . Oral cancer is the sixth most common cancer worldwide with a high prevalence in south asia tobacco and alcohol consumption remain the most dominant etiologic factors however hpv has been recently implicated in oral cancer surgery is the most well established mode of initial definitive treatment for a majority of oral cancers. Get an overview of oral cavity and oropharyngeal cancer and the latest key statistics in the us causes risk factors and prevention learn about the risk factors for oral cavity and oropharyngeal cancers and what you might be able to do to help lower your risk
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