Definition: tooth decay

Tooth decay is the process of breaking the structure of the tooth, and this occurs when the accumulation of food residue on the teeth, and bacteria that live in the mouth digestion of these food residues and converted to acid, and this acid dissolves the outer layers of the tooth enamel, leaving behind the holes in the age called Tooth decay or tooth decay, tooth decay affects the inner layers of the tooth also affects the outer layers as well.