Question

why does your tooth ache when there is cavity in it

Answer 1

dude that causes pain because cavity produces acid which will melt our enamel and touch our nerves in teeth.when that acid touches our nerves it causes lot of pain

Answer 2

As the acids in the plaque damage the enamel and make holes. This is called cavity. They grow very large and affect our tooth nerves. This cause tooth ache.

Hope this helped you!