Question

Sweet tooth may led tooth dacay explain why what is the role of tooth paste in preventing cavities

Answer 1

Fluoride is a very safe and effective way to help prevent tooth decay, so is an important ingredient in toothpaste and mouthwashes. It works by making the enamel (that's the tooth's hard outer surface) more resistant to acids produced by the bacteria living on the teeth and gums.

Answer 2

The role played by sweet tooth in tooth decay is simple. ... These bacteria break down the enamel of teeth and cause cavities. Toothpaste prevents from teeth cavities by protecting the teeth outer layer called enamel. Toothpastes which are rich in fluoride seem to be more beneficial against cavities.

In our tooth there is a layer called enamel . I is indestructible . when we ate something sweet  . the molecules of sugars the reacting site attach to our teeth .  

Also our teeth has some self cleansing property  which use acids to remove the food particles in our teeth large globules also simples by salivary amylase (30% digestion) .

so due to the acidic property our tooth got acidic the toothpastes are basic they neutralize the reaction so that our teeth stay in neutral state (7 pH ) . and it may not lead to tooth decay  

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