Saliva provides digestive enzymes, is a route of excretion of substances which accumulate on the [[Tooth Anatomy - Anatomy & Physiology|teeth]] and provides lubricative and also cleansing functions. | Saliva provides digestive enzymes, is a route of excretion of substances which accumulate on the [[Tooth Anatomy - Anatomy & Physiology|teeth]] and provides lubricative and also cleansing functions. |