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Sweet tooth’ may lead to tooth decay. Explain why? What is the role of tooth paste in preventing cavities? |
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Answer» Tooth decay starts when the pH of the mouth is lower than 5.5 as Tooth enamel, made up of calcium phosphate does not dissolve in water, but is corroded . The best way to prevent this is to clean the mouth after eating food using toothpastes, which are generally basic, for cleaning the teethcan neutralise the excess acid and prevent tooth decay. |
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