A Comparative Study of the Efficiency of two Different Glass Ionomer Using ART Technique in a Group of Egyptian Children with Autistic Spectrum Disorder

Aim: The aim of the study was to evaluate and compare the effect of conventional glass ionomer cement and Nano-glass ionomer using atraumatic restorative technique (ART) in a group of Egyptian autistic children. Materials and Methods: Thirty autistic patients had cavitated lower first primary molars (class I only) were included in this study. According to the type of restorative material used, the children were classified into 2 groups: (Group I) their teeth were restored with conventional glass ionomer, (Group II) their teeth were restored with Nano-glass ionomer (ketac N 100). All children were checked clinically, radio graphically and for bacterial count evaluation at baseline (before treatment) and after 1 week, 2 weeks, 1 month, 3 months and 6 months.