Question

tooth enamel is one of the hardest substance in our body how does it undergo damage due to eating chocolates and sweets how do toothpaste prevent this damage

Answer 1

bacteria eats sugars on teeth and secrets acid which leads to damage of tooth

Answer 2

Answer:

Sugar present in chocolates and sweets gets broken to acids by bacteria present in the mouth. This lowers the pH in the mouth. Tooth enamel is made up of calcium phosphate, which gets corroded when the pH in the mouth is below 5.5. To prevent tooth enamel from decay, toothpaste is used because it is alkaline and neutralises the acid produced in the mouth and helps to prevent lowering of pH in mouth.

Explanation: