7 tips for removing teeth tartar
How to removing teeth tartar .The tartar on the teeth is mainly composed of food residue, epithelium of the oral mucosa, mucus in saliva and bacteria, and the tartar is soft when it is formed. The calculus is mainly formed by accumulating mineral salts on the basis of tartar, such as the deposition of calcium salts. The calculus is relatively hard, and the adhesion to the teeth is very tight. The general brushing can not be brushed off, and [...]
