Why tooth get decayed due to change in ph
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Our mouth PH is 5.5 but if we donot wash our mouth the pH get lower in our mouth and the acid can harm our teeth
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Saliva can help neutralize the acid, but thepH of saliva can become more acidic after eating acidic foods. ... In that time, the lower pH of the mouth creates an optimal environment for bad bacteria, which eventually causes tooth decay
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