The chewing surface of the tooth is not smooth but has criss-cross tiny projections and valleys that are called pits and fissures. These pits and fissures offer an ideal surface for plaque to accumulate and remain untouched even with toothbrushes and dental floss.
Due to pits and fissures on ones tooth, an individual is exposed to the risk of plaque formation and future cavity development. This can however be avoided by using a preventive technique wherein the pits and fissures are sealed. The use of pit and fissure sealant as preventive measure depends on a number of factors such as tooth location, oral hygiene habits, age of the individual and a host of other factors.
The tooth is generally need not to be prepared or drilled before the application of the sealant, except if the caries has started and need to be removed. Mild acidic solution is applied on the tooth to get the micro mechanical retention for sealent. The sealant is applied and cured using a light. It harden the material instantly and you are free to eat & drink whatever you want.
Sealing of pits and fissures are common for adolescents and children. It is an effective technique in preventing tooth decay and the following treatments.