Erial Plaque – A Hardened Accumulation Of Bacteria

food waste Saliva and mucus with calcium and phosphate salts. After a tooth has been cleaned a mucopolysaccharide layer (pellicle of the teeth) is deposited on the surface almost immediately. After about 24 h bacterial colonization transforms the pellicle of the teeth to plaque. After about 72 h the plaque begins to calcify and becomes tartar. Tartar if it exists