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CBSE Class 7 Answered

What is the reason for tooth decay?
Asked by Topperlearning User | 29 Apr, 2014, 09:51: AM
Expert Answer

Tooth decay is caused by the acid produced due to bacterial decomposition of the food particles stuck in our teeth. This acid causes corrosion and decay of teeth.

Answered by | 29 Apr, 2014, 11:51: AM
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