نتایج جستجو برای: total etch system
تعداد نتایج: 2910034 فیلتر نتایج به سال:
Introduction: Fissure sealant is the most effective method to prevent occlusal surface caries of posterior teeth . In recent years, the use of laser for enamel surface pretreatment has been considered as an effective method before applying fissure sealant. Hence, the aim of this study was to investigate the effect of Er:YAG laser conditioning on fissure sealant microleakage. Methods: In this ...
This clinical trial evaluated, over a 12-month period, the performance of brackets bonded to teeth etched and primed with Transbond Plus Self-Etching Primer (SEP) when compared with a conventional separate two-step etch and primer system. Thirty-nine randomly selected patients requiring fixed appliance therapy were entered into the study. Random allocation of each etching system, along with a '...
We show strong changes in chemical etching of phosphorus-doped fiber cores due to hydrogen loading and subsequent UV-irradiation using an atomic force microscope. The etch rate of the fiber core in a low concentration hydrofluoric acid solution (HF) is decreasing after hydrogen loading by as much as 30%. In contrast, UV-irradiation of the hydrogenated fiber increases the core etch rate to value...
OBJECTIVES The purpose of this study was to evaluate dentin and enamel bond strength to resin composite following high-speed rotary or Er:YAG laser preparation using a total etch adhesive system. The microstructure of resin-tooth interfaces was also investigated. METHODS Human dentin and enamel specimens were prepared with a high-speed handpiece (KaVo) or Er:YAG laser (DELight) at manufacture...
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