A filling is a way to restore a tooth damaged by decay back to its normal function and shape.
By closing off spaces where bacteria can enter, a filling also helps prevent further decay.
TYPES OF TOOTH FILLING
Amalgam (silver) fillings are resistant to wear and relatively inexpensive. However, due to their dark colour, they are more noticeable than porcelain or composite restorations and are not usually used in very visible areas, such as front teeth.
Composite (plastic) resins are matched to be the same colour as your teeth and therefore used where a natural appearance is desired. The ingredients are mixed and placed directly into the cavity, where they harden. Composites may not be the ideal material for large fillings as they may chip or wear over time. They can also become stained from coffee, tea or tobacco, and do not last as long as other types of fillings generally from three to 10 years.