tooth enamel is one of the hardest substance in our body . explain changes in ph of the mouth, which in dicates tooth decay. how does toothpaste help in preventing it.
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When the ph on our mouths become less that 5.5 tooth decay starts. The acids produced By microbes by decomposing the food dissolves the enamel. Toothpaste is basic in nature so it neutralizes the effect of the acid.
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