What are fillings?
Fillings occur when a dentist must ‘fill in’ a damaged part, or cavity, in one of your teeth. The commonest cause of tooth decay is bacterial infection, caused by hydrolysis of food particles lodged in the teeth which produces acid. The dentist must clear away any affected area and fill the remaining gap.
As well as repairing rotten surfaces, fillings can repair teeth that are broken or cracked, or have been gradually worn by bad habits such as teeth grinding or…