Enamel is the thin outer layer of the tooth. It helps protect the main portion of the tooth, called the dentin, from daily stressors such as chewing and grinding. It also acts as insulation against hot and cold temperatures. Although tooth enamel is the hardest tissue in the human body, it’s quite susceptible to erosion.
Enamel erosion occurs when acids wear away the outer layer of the tooth structure. Physical forces can also compromise the integrity of tooth enamel. Enamel erosion tends to be caused by the following: