Locations Main Campus: Chesterfield, MO 63017   |   Locations
314-434-1500 314-434-1500   |   Contact Us

Multimedia Encyclopedia

E-mail Form
Email Results


Dental sealants

Pit and fissure sealants


Dental sealants are a thin resin coating that dentists apply to the back teeth, the molars and premolars. Sealants are applied to help prevent cavities.

Why Sealants are Used


The grooves on the top of molars and premolars are deep and hard to clean with a toothbrush. Bacteria can build up in the grooves and cause cavities.

Dental sealants can help:

  • Keep food, acids, and plaque from sitting in the grooves of the molars and premolars
  • Prevent decay and cavities
  • Save time, money, and the discomfort of getting a filling

Children are most at risk for cavities on molars. Sealants can help protect permanent molars. Permanent molars come in when children are about 6 years old and then again when they are 12 years old. Getting sealants soon after the molars have come in will help protect them from cavities.

Adults who do not have cavities or decay on their molars can also get sealants.

Sealants last about 5 to 10 years. Your dentist should check them at each visit in case a sealant needs to be replaced.


How Dental Sealants are Applied


Your dentist applies sealants on the molars in a few quick steps. There is no drilling or scraping of the molars. Your dentist will:

  • Clean the tops of the molars and premolars.
  • Put a conditioning acid gel on the top of the molar for a few seconds.
  • Rinse and dry the tooth surface.
  • Paint the sealant into the grooves of the tooth.
  • Shine a light on the sealant to help it dry and harden. This takes about 10 to 30 seconds.


Cost and Insurance Coverage


Ask your dental office about the cost of dental sealants. The cost of dental sealants is usually priced per tooth.

  • Check with your insurance plan to see if the cost of sealants is covered. Many plans cover sealants.
  • Some plans have limits on coverage. For example, sealants may be covered only up to a certain age.


When to Call the Doctor


You should call the dentist if you:

  • Feel that your bite is not right
  • Lose your sealant




American Dental Association. Dental sealants. Updated October 19, 2016. ADA.org Web site. www.ada.org/en/member-center/oral-health-topics/dental-sealants . Accessed December 8, 2016.

National Institute of Dental and Craniofacial Research. Seal out tooth decay. Updated September 2016. NIDCR.NIH.gov Web site. www.nidcr.nih.gov/oralhealth/topics/toothdecay/sealouttoothdecay.htm . Accessed December 8, 2016.

Sanders BJ. Pit-and-fissure sealants and preventive resin restorations. In: Dean JA, ed. McDonald and Avery's Dentistry for the Child and Adolescent . 10th ed. St Louis, MO: Elsevier; 2016:chap 10.


        Self Care


          Tests for Dental sealants



            Review Date: 11/10/2016

            Reviewed By: Michael Kapner, DDS, general dentistry, Norwalk, CT. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

            The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.




            A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.

            Content is best viewed in IE9 or above, Firefox and Google Chrome browser.