Abstract
Oral cancer is one of the highly prevalent cancer worldwide. In South-Central Asia it is a leading cause of mortality. Increased life expectancy and lifestyle changes have all contributed to increase the rate of oral cancer in the world. It is highly prevalent in South Asian countries like India, Bangladesh, Pakistan and Sri Lanka, where one-third of all the cancers reported are oral cancer [1]. According to GLOBOCAN 2012, around 16, 88, 50 new cases of lip and oral cavity cancer were diagnosed and was the 12th most common cancer in Asia. In South-Central Asia it is the second most common cancer among men, with an age-standardized incidence of 9.9 and a 5-year prevalence of 129,057 (12.1%) [2].
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