Worldwide, oral carcinoma is one of the most prevalent cancers and is one of the 10 most common causes of death. If oral cancers and cancers of nasopharynx, pharynx, larynx, sinus and salivary glands are combined, these sites represent more than 5% of total body cancers. Approximately 95% of oral squamous cell carcinoma (OSCC) occurs in people older than 40 years. However OSCC at a young age ha...