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Why does tooth decay start when thePH of the mouth is lower than .5.5? |
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Answer» Answer: When we eat for it contains sugar,then the bacteria present in our MOUTH break down the sugar to form acids. Tooth decay starts when pH is lower than 5.5 this is because the ACID is strong enough to attack the ENAMEL of our teeth and CORRODE it. This starts the tooth decay. Explanation: |
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