March 2015
Effect of different bleaching methods on stained composites
This study aims to examine the whitening effect of three different bleaching methods on three different stained composite resins. Forty discs (5 mm diameter × 2 mm thick) from each tested material (ESTHET.X HD micro-matrix Restorative, Dentsply, Paradigm Nano-Hybrid Universal-Restorative, 3M/ESPE, and Artiste Nano-Composite, Pentron-Clinical) were made. The 40 discs of each tested material were immersed in coffee,...
March 2015
Effect of polymerization techniques and cleaning solution on flexural resistance of acrylic resin chemically activated
The purpose of this study was to evaluate the impact of different disinfection solutions on flexural resistance of chemically-activated acrylic resin. Test pieces were made of clear acrylic resin using a rectangular mold and employing two techniques: wet polymerization under pressure (n = 20) and dry polymerization under pressure (n = 20). Test pieces were subdivided into four equal groups: distilled water (control),...
March 2015
Knowledge and oral health related behavior among visually impaired subjects in Jazan Region, Kingdom of Saudi Arabia
Knowledge and awareness of oral health issues are essential for prevention of dental and other associated systemic diseases. This study explores among visually impaired subjects living in Jazan region, with the respect to frequency and quality of use and the effect of type of blindness on the distribution of oral health related knowledge and behavior. Supervisors taking care of visually impaired subjects of different...
