Question

Tooth enamel is one of the hardest substance in our body explain the changes in ph of our mouth which indicate toothdecay how does toothpaste help in preventing it

Answer 1

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.

Answer 2

Answer:

Bacteria present in the mouth produce acids by degradation of

sugar and food particles remaining in the mouth after eating. Using toothpastes, which

are generally basic, for cleaning the teeth can neutralize the excess acid and prevent

tooth decay.

pls mrk as brainliest