Fillings are used to fill cavities. that have formed, usually as a result results from caries or external traumatooth wear. There are many types of filling, each suitable for different cavities.
Amalgam- and composite- (white) fillings are most common materials used to restore teeth damaged by decay. They
are used for direct restoration mainly. There are situations where one filling material is preferable over the other.
Teeth can be filled with gold, porcelain, amalgam or tooth-colored, glass materials and composite resin fillings.
your dentist will advise you, what type of filling that will address your needs best.