نتایج جستجو برای: light cure device
تعداد نتایج: 1061778 فیلتر نتایج به سال:
The aim of this study was to evaluate the influence of different light sources on the bond strength of indirect resin composite restorations cemented with a dual-cure resin cement. The superficial dentin of human third molars was exposed and acid-etched and an adhesive system was applied (Single Bond 2). Four-mm-thick indirect resin composite restorations (Gradia) were fabricated and cemented u...
چکیده ندارد.
This study investigated the effects of light sources and light intensity on growth performance, carcass characteristics, and welfare indices of heavy broilers (>3.0 kg) in 4 trials with 2 replications per trial. A total of 960 one-day-old Ross×Ross 708 chicks (30 males/30 females/room) were randomly distributed into 16 environmentally controlled rooms at 50% RH. A 4×2 factorial treatment struct...
Comparison of microleakage in different methods of restoration in posterior Clv cavities - Dr. N. Mohammadi* Dr. R. Khezrian** *- Assistant professor of Operative Dentistry Dept. Faculty of Dentistry Tabriz University of Medical Sciences. ** - Dentist. Background and aim: Despite improvements in the properties of composites, glass ionomers and other tooth colored materials, a nu...
background and aims. the aim of the present study was to compare the efficacy of quartz tungsten halogen (qth) and light emitting diode (led) curing lights on polymerization of resin composite. materials and methods. a hybrid resin composite was used to prepare samples which were cured using two qth and ten led light curing sources. twelve groups, each containing ten samples, were prepared usin...
برخلاف سیلیکن توده که به دلیل ساختار گاف انرژی غیر مستقیم فاقد کارایی لازم برای ادوارت الکترونیک نوری است نانو ساختارهای سیلیکنی امکان تابش خودبخودی را به دلیل بازترکیب حاملها فراهم می آورند و لذا در ادورات گسیل کننده نور مبتنی بر سیلیکن حایز اهمیت بسیار هستند در این گزارش ساخت سیلیکن متخلخل به عنوان یکی از مهمترین نانو ساختارهای سیلیکنی به روش زدایش شیمیایی در مخلوط اسید هیدروفلوئوریک و اسید ن...
This investigation evaluated the effect of resin composite inlay/onlay thickness on the hardness of a group of eight dual-cure resin-based cements. Fourteen disc specimens measuring 6 mm in diameter and 2.5 mm thick were prepared from each of eight dual-cure cements: Adherence, Choice, Duolink, Enforce, Lute-It, Nexus, Resinomer and Variolink. Two specimens from each material were directly ligh...
BACKGROUND AND AIMS The aim of the present study was to compare the efficacy of quartz tungsten halogen (QTH) and light emitting diode (LED) curing lights on polymerization of resin composite. MATERIALS AND METHODS A hybrid resin composite was used to prepare samples which were cured using two QTH and ten LED light curing sources. Twelve groups, each containing ten samples, were prepared usin...
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