<prompt> The commonest cancer of oral cavity isAdenocarcinomaMelanomaSarcomaSquaous cell carcinoma  <response>: Ans. d Squamous cell carcinomaRef: Devita 9th edition, page 729 Most common site oral Cancer: Carcinoma Tongue Carcinoma Lip Most common histological type: Squamous Cell Cancer Most common site of oral Cancer in India: Cancer of Buccal Mucosa Max Risk of L.N. Metastasis: Carcinoma Tongue Min Risk of L.N Metastasis: Carcinoma lip hard palate Most common age: 50-60 years 