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Fissure sealants

Fissure sealants are a varnish applied to children’s teeth to prevent decay developing in the deep valleys of the back molars. These valleys or grooves are called pits and fissures, some of which can be deep and narrow, making them difficult to clean effectively, even with a child’s toothbrush. These grooves can become a haven for bacteria to build-up resulting in tooth decay.

To combat this, a pit and fissure sealant is applied to the back teeth to fill the grooves. Like a nail polish, it is applied as a sticky liquid that sets hard after a few minutes. This fills the groove and creates a protective barrier against plaque and bacteria. The sealant also contains fluoride for added tooth protection.

The application of the dental sealant is a completely pain-free procedure that will take approximately five minutes per tooth to apply.

The ideal time to have sealants applied is immediately following the eruption of the first permanent molars, around age six and then subsequently after the second permanent adult premolars come through, between the ages of eleven and thirteen. However, there may be occasions when baby molars require dental sealants if there is an indication of them developing tooth decay.