Dental Sealants
September 25, 2012
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Dental sealants are placed to prevent cavities. They are a plastic material applied to the chewing surfaces of the back teeth (1st and 2nd molars) where decay occurs most often.
Although thorough brushing and flossing helps remove food particles and plaque from smooth surfaces of teeth. But toothbrush bristles cannot reach all the way into the depressions and grooves to extract food and plaque. Sealants protect these small creviced areas by "sealing out" food and cavity causing bacteria.

Sealants are easy for your dentist or hygienist to apply. The sealant is painted onto the tooth enamel, where it bonds directly to the tooth and hardens. This plastic resin bonds into the depressions and grooves (pits and fissures) of the chewing surfaces of back teeth. The sealant acts as a barrier, protecting enamel from plaque and acids. 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 may last several years before a reapplication is needed. During your regular dental visits, your dentist will check the condition of the sealants and reapply them when necessary.

The likelihood of developing pit and fissure decay begins early in life, so children and teenagers are obvious candidates. But adults can benefit from sealants as well. Sealants are a preventative procedure decay does not have to happen.

Key ingredients in preventing tooth decay and maintaining a healthy mouth are:

  • brushing twice a day with a fluoride toothpaste
  • cleaning between the teeth daily with floss or another interdental cleaner
  • eating a balanced diet and limiting snacks
  •  visiting your dentist regularly


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