نتایج جستجو برای: ceramic materials

تعداد نتایج: 454125  

2013
Utpal Kumar Das Niladri Maiti

One of the primary challenges faced by today’s dental restorative team is the need to deliver high-strength restorative options without compromising the esthetic outcome fueled by ever-increasing patient demands. The availability of improved ceramic materials, bonding techniques, new technology and issues of malgam safety have led to a revival of interest in ceramic inlays in dentistry over the...

Journal: :Acta stomatologica Croatica 2015
Davor Špehar Marko Jakovac

Dental ceramics represents a major structural material in fixed prosthodontics. Increasing demands for esthetics led to development of new ceramic materials in order to eliminate the use of metal framework and for all ceramic restorations with mechanical properties to withstand high occlusal forces. Out of all the present ceramic materials, zirconium-ceramic has the best mechanical properties, ...

2012
Shinki Nakamura

Ceramic laser media fabricated by vacuum sintering (Ikesue et al., 1995), (Ikesue et al., 1996), and nanocrystalline (Lu et al., 2000) technology are very attractive materials because they have several remarkable advantages compared with single crystal laser materials. Ceramic samples with a large size can be easily fabricated, whereas this is extremely difficult for single crystals; multiplaye...

Journal: :journal of dentistry, tehran university of medical sciences 0
l. sadighpour f. geramipanah b. raeesi

the fracture resistance of all-ceramic restorations is one of the major concerns in clinical applications of these materials. before initiating a time-consuming and costly clinical investigation, an in vitro study can help to estimate the in vivo usability of a new dental material. mechanical properties of all-ceramic materials are frequently evaluated to predict their clinical performance. sin...

2010
James E. Metz

Implant restoration in the esthetic zone can present many challenges for the clinician. Patient and clinician demands for implant restorations with better esthetics have led to the introduction of ceramic abutments. With this introduction, questions have arisen regarding the properties of ceramic materials and their use in the fabrication of implant abutments. This issue of Report 011 Prosthodo...

Journal: :European journal of oral implantology 2016
Matthias Karl

AIM The conventional treatment of a single missing tooth is most frequently based on the provision of a fixed dental prosthesis (FDPs). A variety of designs and restorative materials are available which have an impact on the treatment outcome. Consequently, it was the aim of this review to compare resin-bonded, all-ceramic and metal-ceramic FDPs based on existing evidence. MATERIALS AND METHO...

Journal: :Journal of chemical information and modeling 2008
D. J. Scott S. Manos Peter V. Coveney J. C. H. Rossiny S. Fearn J. A. Kilner R. C. Pullar N. Mc N. Alford A.-K. Axelsson Y. Zhang L. Chen S. Yang J. R. G. Evans M. T. Sebastian

We present work on the creation of a ceramic materials database which contains data gleaned from literature data sets as well as new data obtained from combinatorial experiments on the London University Search Instrument. At the time of this writing, the database contains data related to two main groups of materials, mainly in the perovskite family. Permittivity measurements of electroceramic m...

Journal: :The Journal of prosthetic dentistry 2016
Ozlem Acar Burak Yilmaz Subutay Han Altintas Indumathi Chandrasekaran William M Johnston

STATEMENT OF PROBLEM The color stainability of recently introduced computer-assisted design/computer-assisted manufacturing (CAD/CAM) hybrid ceramic and resin nanoceramic is unknown. PURPOSE The purpose of this in vitro study was to compare the effect of coffee staining on the color of 3 different CAD/CAM restorative materials and a nanocomposite resin. MATERIAL AND METHODS Specimens from a...

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