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Pediatric Dentistry
Kids' Dental

Dental Sealants: A Shield Against Cavities

Dr. Gina Dorfman
February 5, 2026 5 min read

Sealants can reduce your child's cavity risk by up to 80%. Learn about this simple, effective treatment.

Dental sealants are one of the most effective tools for preventing cavities in children. This thin protective coating can dramatically reduce decay risk on back teeth.

What Are Sealants?

Sealants are thin, plastic coatings applied to the chewing surfaces of molars and premolars. They fill in the deep grooves and pits where bacteria and food particles often get trapped.

Why Children Need Sealants

Back Teeth Are Vulnerable - Deep grooves are hard to clean - Toothbrush bristles can't reach the bottom - Most childhood cavities occur in molars

Impressive Protection Studies show sealants can reduce cavities by up to 80% in molars.

When to Get Sealants

First Molars Around age 6, when permanent molars first appear.

Second Molars Around age 12, when second permanent molars emerge.

Baby Teeth Sometimes recommended for baby molars in cavity-prone children.

The Application Process

  1. 1Teeth are cleaned and dried
  2. 2A mild acid gel prepares the surface
  3. 3Gel is rinsed off and teeth are dried
  4. 4Sealant is painted onto teeth
  5. 5A light hardens the sealant

The whole process takes just a few minutes.

Caring for Sealants

  • Continue regular brushing and flossing
  • Avoid chewing ice or hard candy
  • Visit the dentist regularly for checks

How Long Do Sealants Last?

With proper care, sealants can protect teeth for up to 10 years. We check them at each visit and reapply if needed.

Related Topics

sealants
cavity prevention
molars

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