in vitro comparison of two tray bleaching agent: kimia 16% & opalescence pf 15%
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مقایسه آزمایشگاهی اثربخشی دو سیستم سفیدکننده دندان 16% Kimia و 15% Opalesence PF
مقدمه: امروزه زیباسازی دندان ها و دندانپزشکی زیبائی بخش مهمی از درمان های دندانپزشکی را به خود اختصاص داده است در این میان، درمان سفیدسازی دندان ها به عنوان روشی ساده، ایمن و موثر می تواند انتظارات گروه وسیعی از بیماران را برآورده سازد. با توجه به روند تولید مواد دندانپزشکی ایرانی هدف از این مطالعه در نظر دارد تا با یک بررسی آزمایشگاهی اثر سفیدکنندگی و سرعت اثربخشی ژل سفیدکننده کیمیا و Opalesc...
متن کاملcomparison of the amount of debris extruded apically in two rotary techniques: flexmaster and m2
چکیده ندارد.
15 صفحه اولA clinical evaluation of two in-office bleaching regimens with and without tray bleaching.
This study evaluated the degree of color change of teeth, the rebound effect and the sensitivities of teeth and gingiva associated with the use of an in-office bleaching agent followed by an at-home bleaching agent to lighten stained teeth in an in vivo study. Thirty-seven subjects who met the Inclusion/Exclusion criteria were divided into two cells. Twenty-five subjects received three 15-minut...
متن کاملDegradation of bleaching gels in vivo as a function of tray design and carbamide peroxide concentration.
This study determined the degradation of nine bleaching agents with different concentrations after two hours in vivo following the manufacturers' recommendations. The nine carbamide peroxide products are 10%, 15% and 20% Opalescence, 10%, 15% and 22% Rembrandt and 10%, 16% and 22% Nite White Excel 2. Each subject wore the tray with the bleaching agent for two hours on three separate occasions. ...
متن کاملIon release from a composite resin after exposure to different 10% carbamide peroxide bleaching agents
OBJECTIVE This in vitro study evaluated the influence of two 10% carbamide peroxide bleaching agents - a commercial product (Opalescence PF; Ultradent Products, Inc.) and a bleaching agent prepared in a compounding pharmacy - on the chemical degradation of a light-activated composite resin by determining its release of ions before and after exposure to the agents. MATERIAL AND METHODS Thirty ...
متن کاملComparison of Dimensional Accuracy between Open-Tray and Closed-Tray Implant Impression Technique in 15° Angled Implants
STATEMENT OF PROBLEM Various impression techniques have different effects on the accuracy of final cast dimensions. Meanwhile; there are some controversies about the best technique. PURPOSE This study was performed to compare two kinds of implant impression methods (open tray and closed tray) on 15 degree angled implants. MATERIALS AND METHOD In this experimental study, a steel model with 8...
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عنوان ژورنال:
مجله دانشکده دندانپزشکی مشهدجلد ۲۹، شماره شماره ۳,۴، صفحات ۲۵۳-۲۶۲
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