The bacteria present on uncleaned teeth convert the sugar in food into a substance X which causes tooth decay. Name the substance X . Which part of the teeth does it affect?
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When we eat food containing sugar then the bacteria present in our mouth break down the sugar into acids such as lactic acid Thus,substance X is lactic acid which is formed in the mouth after we eat the food containind sugar this acids lowers the PH in the mouth making it acidic
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