Question

‘Sweet tooth may lead to tooth decay’. Explain why? What is the role of tooth paste in preventing cavities

Answer 1

it puts an layer or removes the food stuck between you teeth

and also toothpaste kills the minute bacterial fungus present in our teeth

Answer 2

Tooth starts when ph of mouth is lower than 5.5 , tooth enamel is made up of calcium phosphate(hardest substance in body) does not dissolve in water  but corrodes  when ph is lower than 5.5 due to acids produced by degradation of food particles  by bacteria , using toothpaste tooth decay can be prevented because toothpaste is general basic,therefore sweet may lead tooth decay