Question

Mention the nature of toothpastes. How do they prevent tooth decay?​

Answer 1

Explanation:

they are basic in nature ........

they kill the bacteria

To prevent we have to brush two time in a day to prevent tooth decay

Answer 2

$\pink{\bold{\underline{\underline{Nature\:of\:toothpaste:-}}}}$

Toothpaste is alkaline in nature. The action of bacteria occurs in acidic medium in the mouth and hence toothpaste neutralises the acid and doesn't allow tooth decay to occur.

$\blue{\bold{\underline{\underline{To\:prevent\:tooth\:decay:-}}}}$

Brush twice a day with a fluoride toothpaste. Clean between your teeth daily with floss or interdental cleaner. Eat nutritious and balanced meals and limit snacking.