Sealant

What is a sealant?

A sealant is a material that is usually applied to the chewing surfaces of the back teeth-premolars and molars. The sealant acts as a barrier, protecting enamel from plaque and acids.

Brushing and flossing can help 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 vulnerable areas by “sealing out” plaque and food.

How is the procedure?

Sealants are easy to apply, and it takes only a few minutes to seal each tooth. First, the teeth that will be sealed are cleaned. Then, the chewing surfaces are roughened with an acid solution to help the sealant adhere to the tooth. The sealant is then ‘painted’ onto the tooth enamel, where it bonds directly to the tooth and hardens. A special curing light is used to help the sealant harden.

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.

Are sealants just for kids?

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.

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