Caries preventive effect of occlusal sealant extension to ART restorations compared with non-extended amalgam restorations.

Purpose: To estimate the survival of retention of sealant extension to occlusal ART restorations over 6.3 years; and to test the null-hypothesis that there is no difference in dentine caries lesion development in sealant extension to ART restorations in comparison with sealant free extensions to amalgam restorations in occlusal surfaces over 6.3 years.

Effects of glass ionomer sealants in newly erupted first molars after 5 years: a pilot study.

Objectives: The aim of the study was to investigate the caries-preventive effect of high-filled glass ionomer sealant in newly erupted first molars in a high-risk group. This investigation is part of a larger study amongst eight hundred and thirty-five 6-7-year-old Syrian children.

Methods: Children that had 1, 2 or 3 just erupted or erupting and at least one unerupted first molar (control) were enrolled in this pilot study.