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Dental Sealants for Kids: What Parents Should Know

September 16, 2026

Dental sealant being applied to a child's molar to help prevent cavities

Brushing and flossing are important for keeping your child’s teeth healthy, but some areas of the mouth can be harder to clean—especially the grooves on the back teeth.

That’s where dental sealants can help.

Dental sealants are thin protective coatings placed over the chewing surfaces of teeth to help prevent food and cavity-causing bacteria from settling into deep grooves. The American Academy of Pediatric Dentistry supports sealants for primary or permanent teeth that are considered at risk for tooth decay.

How Do Dental Sealants Work?

The back teeth, or molars, contain small pits and grooves where food particles can become trapped. A dental sealant covers these grooves, creating a smoother protective surface that makes it more difficult for food and bacteria to collect there. The AAPD describes sealants as an established method for preventing cavities in teeth at increased risk for decay.

Does Getting a Dental Sealant Hurt?

Applying a dental sealant is generally a simple procedure. The tooth is cleaned and prepared before the sealant material is placed over the chewing surface. The AAPD describes sealant application as fast and comfortable. There is typically no drilling involved simply to place a preventive sealant.

Which Children May Benefit From Sealants?

Not every child has the same cavity risk. A pediatric dentist can evaluate your child’s teeth, oral hygiene, diet, dental history and other risk factors to determine whether sealants may be appropriate. Pediatric cavity-prevention plans can include measures such as fluoride, dietary counseling and dental sealants depending on the individual child’s needs.

Do Dental Sealants Replace Brushing?

No. Sealants provide additional protection, but children still need good daily dental habits.

Children should continue brushing twice a day with an appropriate amount of fluoride toothpaste, flossing between teeth when appropriate, eating a balanced diet and attending regular dental appointments.

How Long Do Dental Sealants Last?

Sealants need to be checked during regular dental examinations.

If a sealant becomes worn or damaged, the dentist can determine whether it should be repaired or replaced. The AAPD recommends evaluating existing sealants as part of periodic dental examinations. Ask About Dental Sealants at Amazon Children Dental. If you're wondering whether dental sealants could help protect your child's teeth, Amazon Children Dental can evaluate your child’s individual needs and discuss appropriate preventive options.

Contact Amazon Children Dental to schedule your child’s dental visit in Los Angeles.

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