Question

why does the medium become acidic in mouth what is the ill effect of acidic medium how can this be prevented

Answer 1

Bacteria present in the mouth produce adds by degradation of sugar and food particles in the mouth that may bring down pH in the mouth below 5.5.

(b) Tooth enamel get corroded by the action of acids and tooth decay occurs.

(c) By cleaning the teeth with tooth paste which is basic in nature.

Answer 2

because of the bacteria acting from the plaque that deposits on the surface of mouth. its ill effect is that it damages the enamel and make hole on it i.e. it causes dental caries. it can be prevented by cleaning teeth regularly and proper care