Seyed Jalal Purhashemi

,Pediatric Dentistry Department, Dental School, Tehran University of Medical Sciences, International Campus, Tehran- Iran.

[ 1 ] - The effect of bleaching on microhardness of silorane-based composite resins

Introduction: Bleaching treatments may negatively affect the surface quality of composite restorations existing in the mouth. This study sought to assess the effect of 16% and 35% carbamide peroxide on microhardness of silorane-based versus two methacrylate-based composite resins. Methods: A total of 54 discs were fabricated from FiltekP90 (P90), FiltekZ350XT(Z350) Enamel and Filtek Z250(Z25...

[ 2 ] - Oral health and school performance in elementary students: A cross-sectional ‎study in a group of Iranian students, Tehran, Iran

BACKGROUND AND AIM: Dental health plays a key role in the overall health status and quality of life in children. Consequences of dental diseases in children may result in impairments of daily life activities. The aim of this study was to assess the relationships between dental health and educational performances in elementary students. METHODS: A total of 300 elementary students from the second...