and 66.7% of the dental caries was nested in the permanent first molar. [18] Included molars were randomly allocated into one of four parallel study groups (resin sealant, ART sealant, and two ...

In primary teeth, all sealants were placed in occlusal surfaces. In permanent teeth 89.2% of sealants were placed in occlusal surfaces, 4.6% in free smooth surfaces and 6.2% of the teeth received ...