Posts Tagged ‘Tooth decay’

Tooth decay

January 8th, 2010 by Mr. Chris

Tooth decay is the process that results in a cavity (dental caries). If not treated, tooth decay can cause infection and loss of teeth.
A tooth has an outer layer (enamel), a middle layer (dentin), and a center (pulp). Tooth decay occurs when bacteria in the mouth make acids that eat away at a tooth. The [...]

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