الفهرس 
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Abstract
The present study was conducted to evaluate the clinical performance of a highly viscous, high-strength glass-ionomer restorative material, Ketac-Molar for ART in comparison with Fuji IX glass-ionomer using the ART technique in primary molars. In addition to that, these restorative materials were compared in terms of shear bond strength test and marginal microleakage assessment.
A. Clinical Study:
A total of 50 class I cavity preparations were prepared in primary molars of 25 children with an age range of 3-6 years. The selected primary molars were randomly divided into two groups of 25 teeth each, according to the type of the filling material used; group I included 25 primary molars with class I carious lesions, restored with a hand-mix, high strength glass ionomer, Ketac-Molar for ART and group II included the contralateral 25 primary molars restored with a hand-mix, Fuji IX glass ionomer.
All cavity preparations in the two groups were prepared using the ART technique then conditioned with a dentine conditioner mixing the liquid supplied with the glass ionomer prepared by with an equal amount of water then group I and group II were restored with a hand-mix Ketac-Molar for ART and Fuji IX glass ionomer restorative materials respectively, according to the manufacturer’s instructions.