CBSE Class 7 Answered
What is the reason for tooth decay?
Asked by Topperlearning User | 29 Apr, 2014, 09:51: AM
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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