Question

the bacteria present on uncleaned teeth convert the sugar in food into substance x which cause tooth decay.name the substance x.which part of the teeth does it effect?

Answer 1

the bacteria present on the uncleaned teeth convert the sugar in food into substance x and that substance x is plaque  the part which it attacks first is enamel

Answer 2

It effects the corners of the teeth and in between the teeth .X Is called plague. It may accumulate and cause total teeth conditions to worsen. Best examples for places where it causes is tooth enamel and root canal.