New York: A plastic coated pill that treats bad breath and gum disease through a slow release mechanism is being developed in the US.

The pill would be implanted in the mouth and release drugs including salicylic acid to kill germs and bacteria.

Gum and peridontal disease are a major cause of ill health and scientists below maybe linked to heart and cardiovascular disease. Periodontal disease can also lead to loss of teeth as the gums shrink.