Question

Statement 1: Fluoride in toothpaste helps to prevent tooth decay.
Statement 2: Fluoride is essential for the strengthening of bones and enamel.

• A. Statement 1 is correct, statement 2 is incorrect.
• B. Statement 1 is incorrect, statement 2 is correct.
• C. Both the statements are correct.
• D. Both the statements are incorrect.

Answer 1

The correct option is C Both the statements are correct.

Tooth decay or cavities occur when the bacteria present in our mouth produces acids which demineralise the teeth.

Fluoride is added in toothpastes in the form of salts like sodium fluoride. It helps to prevent tooth decay by reducing the amount of acid produced by bacteria in mouth and is assists in strengthening of enamel.