The purpose of the work was to study micropermeability between portions restorative materials under different surface preparation in laboratory conditions. Materials and methods. used 50 samples cylindrical with a diameter 5.0 mm height 4.0 mm, divided into five groups 10 each. group 1 consisted two photocomposite without preliminary preparation. 2 were produced from portions, which V generatio...

Dental materials are essential for most of dental treatment modalities. Understanding the science and chemistry behind their properties can enable operator to employ material its maximum advantage. Contemporary have evolved significantly from conventional variety, but there is always room refinement since inadequacies current in function recognized only with advent advanced testing methods. As ...

OBJECTIVES This study evaluated the effect of sports and energy drinks on the surface hardness of different composite resin restorative materials over a 1-month period. MATERIAL AND METHODS A total of 168 specimens: Compoglass F, Filtek Z250, Filtek Supreme, and Premise were prepared using a customized cylindrical metal mould and they were divided into six groups (N=42; n=7 per group). For th...

INTRODUCTION Badly broken or structurally compromised posterior teeth are frequently associated with crown/root fracture. Numerous restorative materials have been used to fabricate indirect full-coverage restorations for such teeth. This study aims to evaluate and compare the effect of restorative materials on the stress distribution pattern in a mandibular first molar tooth, under varying load...