Archive for October 2017

What Are Sealants?


 

Dental sealants are thin plastic coatings that are applied to the grooves on the chewing surfaces of the back teeth to protect them from tooth decay. Most tooth decay in children and teens occurs on these surfaces. Sealants protect the chewing surfaces from tooth decay by keeping germs and food particles out of these grooves.

Permanent molars are the most likely to benefit from sealants. The first molars usually come into the mouth when a child is about 6 years old. Second molars appear at about age 12. It is best if the sealant is applied soon after the teeth have erupted, before they have a chance to decay.

Applying sealants does not require drilling or removing tooth structure. The process is short and easy. After the tooth is cleaned, a special gel is placed on the chewing surface for 30 seconds.   The tooth is then washed off and dried. Then, the sealant is painted on the tooth. The dentist or dental assistant shines a light on the tooth to harden the sealant. 

Sealants can only be seen up close. Sealants can be white, and usually are not seen when a child talks or smiles.

As with anything new that is placed in the mouth, a child may feel the sealant with the tongue. Sealants, however, are very thin and only fill the pits and grooves of molar teeth.

A sealant can last for as long as 5 to 10 years.  Sealants should be checked at each regular dental appointment and can be reapplied if they are no longer in place.

Sealants do not protect between the teeth, only the biting surface on the pits and fissures area of the tooth.  This means your child still needs to flossing daily to avoid interproximal (in between) tooth cavities.  

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