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Tooth cavities

Cavities are holes that develop in teeth and are caused by decay.

Decay around the edges of existing fillings can also lead to cavities forming, needing replacement fillings.

Symptoms

A cavity may cause toothache pain, especially after hot or cold food or drink.

Diagnosis

Cavities may be identified by a dentist by examining the teeth or using dental X-rays.

Cavities, abscesses, yellow teeth, tooth problems.

Treatment

Cavities can usually be treated with a filling - but if a tooth is too badly decayed, a crown or extraction may be needed.

If the decay causes the nerve or pulp of the tooth to die, a root canal will be performed. During a root canal, the centre of the tooth (including the nerve, blood vessel, and tissue) is removed along with the decayed portions of the tooth. The roots are then filled with a sealing material. If necessary, a crown can be placed over the filled tooth.

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WebMD Medical Reference

Medically Reviewed by Dr Rob Hicks on December 08, 2016

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