نتایج جستجو برای: reinforced composite resin

تعداد نتایج: 182458  

2007
Sufyan Garoushi Daiichiro Yokoyama Akikazu Shinya Pekka K. Vallittu

A fiber-reinforced composite inlay-onlay FPD was used for a single posterior tooth replacement in a patient refusing implant for psychological reasons. The FRC-FPD was made of pre-impregnated E-glass fibers (everStick, StickTeck, Turku, Finland) embedded in a resin matrix (Stick Resin, StickTeck, Turku, Finland). The unidirectional glass fibers were used to make a framework structure with high ...

Journal: :The journal of contemporary dental practice 2009
Sufyan K Garoushi Akikazu Shinya Akiyoshi Shinya Pekka K Vallittu

AIM The purpose of this case report is to describe the clinical procedure for fabricating fiber-reinforced composite (FRC) onlay composite resin restorations using a FRC as the substructure. BACKGROUND A variety of therapeutic modalities are available to restore teeth with moderate coronal defects in the posterior region of the mouth. For patients who refuse complete crown restorations or whe...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی کرمی قهی محمدحسین بهشتی مسعود اسفنده امیرمسعود رضادوست

phenolic resin is among the oldest thermoset resins that have found wide spread applications in several industries, largely due to its high thermal resistance. in this research, room temperature curing of phenolic resin and its reinforced silica composite has been investigated by p-toluene sulphonic acid as a catalyst. mechanical properties of the composites such as impact strength, flexural pr...

2006
Edno Moacir Piovesan Flávio Fernando Demarco Evandro Piva

The aim of this study was to evaluate the clinical performance (retention rate) of fiber-reinforced composite fixed partial dentures (FPDs). Polyethylene fiber (Ribbond) was used combined with restorative composite during FPDs fabrication. FPDs were placed in thirteen patients in a private clinic. Nineteen FPDs were evaluated. The prosthetic space was filled with only one pontic using extracted...

Journal: :Dental materials journal 2009
Suha Turkaslan Arzu Tezvergil-Mutluay Bora Bagis Pekka k Vallittu Lippo V J Lassila

This study compared the initial and final failure loads and failure modes of indirect resin composite laminate veneers with and without fiber reinforcement. Forty intact lower canines received standard laminate preparations and were randomly assigned into four test groups (n=10). In Group 1, indirect resin composite veneers were repaired with two layers of preimpregnated bidirectional glass fib...

Journal: :Pediatric dentistry 2004
Amir Chafaie Richard Portier

A variety of therapeutic modalities, from implants to conventional Maryland bridges, can be used for the replacement of a traumatically missing anterior tooth. The reinforcement of composite resins by fibers improves their fracture toughness and resistance. Fiber-reinforced composite (FRC) bridges can be a good alternative to conventional prosthetic techniques. The purpose of this article was t...

2009
Pratap Bhat Eyassu Woldesenbet

Composite materials fabricated using hollow microspheres are called syntactic foams. Particulate filler composites such as syntactic foams, consisting of glass microballoons and epoxy resin, are desirable for applications that require high compressive and impact strengths and low thermal conductivities. However, for heat dissipation applications, filler additions are required to increase the th...

Journal: :Brazilian dental journal 2010
Rogério Lacerda dos Santos Matheus Melo Pithon Delmo Santiago Vaitsman Mônica Tirre de Souza Araújo Margareth Maria Gomes de Souza Matilde Gonçalves da Cunha Nojima

The aim of this study was to test the hypothesis that there is no difference in the fluoride release behavior of resin-reinforced glass ionomer cements before or after fluoride recharge. The materials were divided into 5 groups: 2 resin-reinforced glass ionomer cements used for attaching orthodontic bands, that is, group FOB (Fuji Ortho Band) and group MCB (Multi-Cure Glass Ionomer Orthodontic ...

2016
Yutao Yan Sabine Herzele Arunjunai Raj Mahendran Matthias Edler Thomas Griesser Bodo Saake Jianzhang Li

A new route towards embedding fibrillated cellulose in a non-polar thermoset matrix without any use of organic solvent or chemical surface modification is presented. It is shown that microfibrillated lignocellulose made from cellulose with high residual lignin content is capable of stabilising an emulsion of unsaturated polyester resin in water due to its amphiphilic surface-chemical character....

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