A filling is a way to restore a tooth damaged by decay back to its normal function and shape. When a dentist gives you a filling, he or she first removes the decayed tooth material, cleans the affected area, and then fills the cleaned out cavity with a filling material.
By closing off spaces where bacteria can enter, a filling also helps prevent further decay.
Dental Fillings are of various types. The type of filling to be used will depend upon the condition of decay and other factors such as a person being allergic to a material. Below are the different type of fillings available