Question

Why does the medium become acidic in mouth cavity what are the effect of this and how it can be prevented?

Answer 1

the bacteria present in mouth convert stuck food bw teeth into organic acids

which decrease the pH and corrodes the teeth

as god gave us salivary glands that secretes salvia which is basic in nature but eating more desserts and food decrease the pH

so we should eat less desserts and gargling after every meal

Answer 2

as the saliva is basic in nature but when we eat desserts and other food the pH decreases.

due to this our teeth corrodes and also cavities are there.

so we should avoid desserts as many as possible.