Dentistry for Today's Family
John Blake, DDS, PC
Dr. Blake’s Dental Information Center
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Prevention
Sealants
What is a sealant?
A sealant is an acrylic material that is usually applied to the chewing surfaces of the back teeth – premolars and molars. It bonds into the depressions and grooves (pits and fissures) of the chewing surfaces of the back teeth. The sealant acts as a barrier, protecting enamel from plaque and acids.
Why are sealants necessary?
When the back teeth are developing, pits and fissures form in the chewing surfaces of the enamel. They are impossible to keep clean, because the bristles of a toothbrush cannot reach them. Pits and fissures are snug places for plaque and bits of food to hide. Most cavities form in pit and fissure areas, and back teeth are extremely susceptible to this form of decay. By forming a thin covering over the pits and fissures, sealants keep out plaque and food, thus decreasing the risk of decay.
How long do sealants last?
As long as the sealant remains intact, the tooth surface will be protected from decay. Sealants hold up well under the force of normal chewing and usually last several years before a reapplication is needed. The condition of the sealants is checked at each regular continuing care visit.
Prevention is always better than treatment. Since they are extremely effective in preventing pit and fissure decay, properly applied and maintained sealants can result in savings in both dollars and discomfort.
