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What causes tooth decay?

Tooth decay is caused by plaque that builds up on teeth. Plaque is a mix of bacteria, saliva and food particles. It is particularly damaging when you consume food and drink that is high in sugar, because the sugar causes the bacteria to produce more acid.

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About this article

Author: Dr Bow Tauro PhD, BSc (Hons)
First answered: 07 Jul 2015
Last reviewed: 19 May 2018
Rating: 4.9 out of 5
Votes: 1297 (Click smiley face below to rate)
Category: Oral hygiene


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