A dental filling is required when there is a hole in the tooth, mainly caused by decay, however small fractures or chips may also require a filling.
The procedure for a dental filling is performed by the dentist who first removes decay from the tooth using a drill. The dentist will then prepare that spot for the ‘filling’ to be inserted. The last step that can be performed by either the dentist or by a restorative dental hygienist. He or she will fill the space with bonding or resin and shape it to mimic natural tooth indentations.
This video explains how cavities are formed and what dentists use to fill in the cavity to protect the tooth from further harm.
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