A layer of enamel worn off can be treated by general treatment, veneer restoration, inlay restoration and so on. 1. General treatment: after a layer of enamel has been worn off, avoid eating hard food to avoid abrasion of the teeth, and rinse your mouth in time after eating to avoid food debris and bacteria from damaging the teeth. 2. Veneer restoration: When the area of enamel wear is relatively large and affects the aesthetic appearance, it can be treated by means of veneer restoration to help restore the normal shape of the teeth and keep the teeth aesthetically pleasing. 3. Inlay restoration: When enamel is worn down and leads to missing teeth, you can choose the right dental inlay to repair the missing teeth. The enamel layer is worn off can go to the hospital, under the guidance of the physician for related treatment.