Question

why toothpaste protect us from toothdecay​

Answer 1

Answer:

Not only does it make teeth stronger and prevent cavities, it can also help reverse early tooth decay. When tooth enamel is weakened by acid, fluoride promotes a chemical reaction that replaces minerals, such as calcium and phosphate, to strengthen the enamel. This also makes it more resistant to future acid attacks.

Explanation:

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Answer 2

Answer:

tooth paste helps to prevent tooth decay and gum disease by reducing the amount of bacteria and plaque around the teeth and gums.

OR

When tooth enamel is weakened by acid, fluoride promotes a chemical reaction that replaces minerals, such as calcium and phosphate, to strengthen the enamel. This also makes it more resistant to future acid attacks