Question

Which substance added to toothpaste preventtion of tooth decay calcium carbonate?

Answer 1

mg(oh)2 is used to toothpaste

Answer 2

tooth decay starts when pH of our teeth go below 5 ,it means that tooth decay starts when nature of our mouth is acidic.so to prevent tooth decay we use some base like calcium carbonate, magnesium carbonate, sodium hydroxide in or tooth paste to prevent tooth decay.