Microleakage of a new improved glass ionomer restorative material in primary and permanent teeth.

Purpose: The objective of this study was to assess the microleakage of the new conventional glass ionomer, Fuji IXgp in comparison to another conventional glass ionomer (Fuji II), a resin modified glass ionomer (Vitremer) and a composite resin (TPH) in primary and permanent teeth.

Methods: Twenty-five extracted human premolars and 13 primary molars were used. Preparations were made on the center of the buccal and lingual aspects of the premolars (Group A) and the mesio buccal and disto buccal surface as well as the mesio lingual and disto lingual surface of the primary molars (Group B).