Question

tooth decay starts when PH value is lower than the value in human mouth​

Answer 1

Explanation:

A pH below 7.0 indicates an oxygen-deprived environment, which puts our teeth at risk for demineralization and cavities. Acidic food is not the only issue we need to consider when looking at a low pH in the mouth. Conditions such as xerostomia or gastroesophageal reflux disease can cause acidity in the oral cavity

Answer 2

Answer:

Yes the tooth decay when ph is lower tgan neutral