To treat acavityyour dentist will remove the decayed portion of the toothand then “fill” the area on thetoothwhere the decayed material was removed.Fillings are also used to repair cracked or brokenteethand teeth that have been worn down from misuse (such as from nail-biting ortooth grinding).
Steps Are Involved in Filling a Tooth
First, the dentist will use a local anesthetic to numb the area around the tooth to be filled. Next, a drill,air abrasion instrument, or laser will be used to remove the decayed area. The choice of instrument depends on the individual dentist’s comfort level, training, and investment in the particular piece of equipment as well as location and extent of the decay.
Next, your dentist will probe or test the area to determine if all the decay has been removed. Once the decay has been removed, the dentist will prepare the space for the filling by cleaning the cavity of bacteria and debris. If the decay is near the root, your dentist may first put in a liner made of glass ionomer, composite resin, or other material to protect the nerve. Generally, after the filling is in, your dentist will finish and polish it.
Several additional steps are required for tooth-colored fillings
The aim of root canal treatment is to save the tooth and prevent it from future infection. If ignored, the infection could spread and the tooth may need to be extracted. Types of Filling Materials:
Today, several dental filling materials are available. Teeth can be filled with gold; porcelain; silver amalgam (which consists of mercury mixed with silver, tin, zinc, and copper); or tooth-colored, plastic, and materials called composite resin fillings. There is
also a material that contains glass particles and is known as glass ionomer. This material is used in ways similar to the use of composite resin fillings.