Sealing procedure should be performed not later than four months after eruption of first permanent molars, at the age of 5-6 years, but practically even after 10 years of age -premolars at the age of 8-12 years, especially if caries is observed in deciduous teeth and first permanent molars, second permanent molars at the age of 11-13 years, and the procedure can be performed up to the 15th year of age. In a population with a high caries risk, also deciduous molars and permanent premolars should be sealed.
Sealant should be applied in teeth with narrow and deep fissures and in teeth with developmental abnormalities on masticatory surfaces. Sealing depends mainly on meticulousness during clinical procedure, i.e. isolation of teeth from moist oral environment, thorough cleaning of occlusal surfaces, etching, rinsing, drying and application of sealant.
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