Question

the bacteria present on uncleaned teeth convert the sugar in food into a substance X which causes tooth decay. name the substance X

Answer 1

Substance X is lactic acid which is formed in the mouth after we eat food 
containing sugar. it affect enamel.

[ Note : Lactic acid lowers the pH in the mouth making it acidic.  Our tooth enamel is 
made up of calcium phosphate, which is the hardest material in our body, but even it 
starts getting corroded when the pH in the mouth is lower than 5.5(Acidic)]

Answer 2

HEY MATE

HERE IS UR ANS

THE BACTERIA present on uncleaned teeth convert the sugar in food into a LACTIC ACID.

WHICH decays the enamel and effe ts our teeth.

so X .....lactic acid


HOPE THIS HELPS U ^_^______
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