There are two general types of fillings intracoronal and extracoronal. Intracoronal fillings sit inside the tooth & gain strength & support from the tooth, & often weaken the tooth. They are generally made from materials which set or harden inside the tooth. Extracoronal fillings sit over the tooth, cover & protect the tooth. They are usually made in the dental laboratory.
Fillings are used to restore a portion of a tooth damaged by decay or traumatic injury. There are different types of materials used to fill cavities, including porcelain, gold, composite and metal alloys. The size , shape & position of fillings, and the biocompatibility of the material are all important factors when choosing a filling material.
Tooth coloured filling materials include:
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