نتایج جستجو برای: dental resins
تعداد نتایج: 173941 فیلتر نتایج به سال:
© Springer International Publishing Switzerland 2015 F. Puoci (ed.), Advanced Polymers in Medicine, DOI 10.1007/978-3-319-12478-0_9 Abstract Polymers represent the foundation of modern restorative Dentistry. The majority of dental procedures currently utilized in clinical dentistry depend on the close interaction of polymeric materials with dental tissues. In fact, the dental matrix itself is l...
OBJECTIVES This paper describes the chemistry and properties of polyacid-modified composite resins ("compomers") designed for use in clinical dentistry, and reviews the literature in this area. METHODS Information has been obtained from over 50 published articles appearing in the dental and biomaterials literature, with studies being principally identified through MedLine. RESULTS Published...
Objective. The aim of this study was to compare the efficiency of different camphorquinone (CQ)/amine photo-initiating systems for the photopolymerization of a model dental resin based in Bis-GMA/TEGDMA. Methods. The monomer conversion versus exposure time was measured in resins containing different types and concentrations of photoinitiators and subjected to different irradiation procedures. T...
It is becoming more common for patients to look for cosmetic procedures in dental offices. The search for lost or desired esthetics by patients is increasingly frequent and the professional must be able to meet this demand. To do this, dentists not only need to return the tooth back to its normal functioning state but also promote esthetic excellence. In this context, the association of cosmeti...
Adhesive techniques are now used for many dental restorative materials, including amalgam. Several generations of dentine bonding agents have been developed, mainly for bonding composite resins. When bonding is used with amalgam restorations, the need for retention and resistance form is reduced, the seal is improved, and some procedures, such as amalgam sealants, which were not previously poss...
OBJECTIVE Bleaching agents may not be safe for dental materials. The purpose of this in-vitro study was to evaluate the effects of Opalescent Quick "in-office bleaching gel" containing 35% carbamide peroxide on the surface roughness and hardness of microfilled (Heliomolar) and hybride (Spectrum TPH) composite resins. MATERIALS AND METHODS Twenty specimens of Spectrum TPH composite resins and ...
STATEMENT OF PROBLEM Provisional prostheses are subject to flexure under function. Selection of the appropriate material for their fabrication is difficult given the limited evidence-based information on the flexural strength of provisional resins. PURPOSE This study compared the flexural strength of 5 methacrylate-based resins and 8 bis-acryl resins used to fabricate provisional crowns and f...
Dental composites have almost entirely replaced amalgam restorations in the recent times. Amalgam were highly un-aesthetic and toxic to human body. prove be an aesthetic biocompatible alternative dental amalgam. But however, composite resins present with certain limitations such as inadequate mechanical properties wear resistance contact areas, primarily posterior teeth, contrast Therefore, not...
The aim of this paper is to review the available literature on different methods for color stability determination CAD/CAM milled and 3D printed resins denture bases. methodology included applying a search strategy, defining inclusion exclusion criteria selecting studies summarize results. Searches PubMed, Scopus, Embase databases were performed independently by three reviewers gather published...
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