Brushing with fluoride toothpaste is important for preventing cavities.
Here's what you should know about brushing:
Dental sealants are another good way to help avoid a cavity. Sealants are thin, plastic coatings painted onto the chewing surfaces of the back teeth, or molars. Here's why sealants are helpful: The chewing surfaces of back teeth are rough and uneven because they have small pits and grooves. Food and bacteria can get stuck in the pits and grooves and stay there a long time because toothbrush bristles can't easily brush them away. Sealants cover these surfaces and form a barrier that protects teeth and prevents food and bacteria from getting trapped there.
Since most cavities in children and adolescents develop in the molars (the back teeth), it's best to get these teeth sealed as soon as they come in:
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