نتایج جستجو برای: carbamide peroxide
تعداد نتایج: 32862 فیلتر نتایج به سال:
Background: Bleaching agents have evolved in improving the appearance of discolored teeth. These agents can be hydrogen peroxide, carbamide peroxide or other proprietary material that breaks down into water and oxygen. The dissociated products penetrate through pores of enamel and dentine changing the value of the tooth. Some of the materials used in endodontics as an irrigant have mechanism of...
Background: Dental aesthetic procedures aim to rectify flaws in dental elements’ shape, alignment, or overly dark color. One of the most common is tooth whitening. This study attempts introduce key aspects bleaching and describe different techniques mechanism action agents, focusing on clinical implications orthodontic composite restorations. Methods: The research was performed PubMed, Web Scie...
Background and Aim: Nowadays, esthetic dentistry has become an important part of modern dentistry. Bleaching is considered as a conservative, safe and effective way for treatment of discolored teeth. Although bleaching is commonly used on anterior teeth, the bleaching gel may come into contact with patient's former amalgam restorations and result in corrosive effects, dissolution of amalgam pha...
Introdouction: Bleaching has become a common treatment for improving the appearance of natural teeth. However, the need to protect dental restorations from bleaching agent exposure is inevitable, as these agents may change the color of restorative materials by oxidation. Filtek P90 composite resin has recently been introduced with the aim of decreasing polymerization shrinkage. The purpose of...
Background and Aims: The purpose of this study was to compare the effect of chlorhexidine 2%, ethanol 70% and sodium ascorbate 10% and delayed bonding for 1 week on the shear bond strength of composite resin to enamel after bleaching. Materials and Methods: 90 human central incisors were divided into 6 equal groups: Group 1: no bleaching Group 2: bleaching with carbamide peroxide 45% for 45...
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