Medicinal plants are important for pharmacological research and drug development. About one fifth of all the plants found in India are used for medicinal purpose. Cinnamon also known as Cinnamomum verum is a small evergreen tropical tree, 10-15 meters tall belonging to the family lauraceae native to Sri Lanka and south India. Cinnamon has antimicrobial, antioxidant, antimutagenic and anticarcinogenic activities. However in dentistry till date few studies have been conducted to access antimicrobial, antioxidant, antimutagenic and anticarcinogenic property of cinnamon. It has great potential to be used in treatment of oral candidiasis, oral precancerous lesions and conditions, Vesicobullous lesions, Recurrent Aphthous stomatitis and other oral disorders. However more studies and research is needed to prove the therapeutic potential of cinnamon in treatment of oral diseases.