AETIOLOGY AND RISK FACTORS FOR ORAL CANCER â€“ A BRIEF OVERVIEW
Keywords:etiology, risk factors, oral cancer, oral precancer, carcinogenicity, tobacco, alcohol, nutrition, viruses, genetic predisposition
Oral cancer is the sixth most common malignancy in the world. Despite recent advances in cancer diagnoses and therapies, the five-year survival rate of oral cancer patients has remained at a dismal 50% in the last few decades. Oral cancer is of major concern in Southeast Asia primarily because of the prevalent oral habits namely betel quid chewing, smoking and alcohol consumption. This paper provides a brief overview on the various aetiological agents and risk factors implicated in the development of oral cancer.
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