How tooth decay can be reduced by using tooth paste?
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Food, sweets etc causes tooth decay. Tooth enamel is made up of calcium phosphate which does not dissolve in water, but is corroded when pH is below 5.5.
Bacteria present in mouth produce acid by degradation of sugar and food particles remaining in mouth after eating food. This lowers the pH of mouth making it more acidic causing and tooth decay.
It can be prevented by cleaning teeth with toothpaste after eating food. They are basic in nature and neutralize the acid and preventing tooth decay. We should brush twice a day.
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