نتایج جستجو برای: dental ceramics

تعداد نتایج: 176116  

Alireza Olyaeemanesh, Mahdi Azadbakht Mina Nejati Mohammadreza Mobinizadeh Parisa Aboee Shila Doaee

Introduction: Computer-Aided Design and Computer-Aided Manufacturing (CAD/CAM) are the latest achievements of Prosthodontics and Restorative Dentistry. The aim of this research is to help make appropriate decision whether to use this technology in Iran. Methods: Studies were included in this review that compared Dental CAD/CAM with conventional restorativ...

Journal: :Prague medical report 2006
H Hubálková I Linetskiy

Prosthetic dentistry is one of the fundamental pillars of dentistry. Even though it is highly specialized in replacement of missing teeth and adjacent soft and hard oral tissues, the cooperation with other branches of dentistry is very important. It usually provides final stages of rehabilitation of the whole maxillofacial system. The loss of several teeth doesn't have to be an immediate threat...

2011
D. R Prithviraj

Dental implants constitute a well-established approach for replacement of lost teeth with titanium being the most favored material for implantation. However, titanium has its limitations in esthetically demanding cases and neither the form nor material of such implants has changed much over the past 40 years. Immediate implantation has been introduced to overcome the disadvantages of convention...

Journal: :IOP conference series 2021

Abstract The increasing of dental implants needs to be supported by local materials’ development as a form independence for nation. With its rich natural resources, Indonesia has the potential used implant material. Dental materials can in bioceramic consisting bioactive, bioresorbable, and bioinert. One bioactive concern today is glass-ceramics from basalt rock. Meanwhile, hydroxyapatite mater...

Journal: :Acta biomaterialia 2012
Philipp Kohorst Lothar Borchers Jürgen Strempel Meike Stiesch Thomas Hassel Friedrich-Wilhelm Bach Christoph Hübsch

The aim of this investigation was to determine the influence of simulated ageing on the tetragonal-to-monoclinic phase transformation and on the flexural strength of a 3Y-TZP ceramic, compared to alumina toughened zirconia (ATZ) and ceria-stabilized zirconia (12Ce-TZP). Standardized disc specimens of each material were hydrothermally aged in steam at 134°C and 3bar for 0, 16, 32, 64 or 128h. Th...

2016
Antonios L Theocharopoulos Andrew J Bushby Ken My P'ng Rory M Wilson K Elizabeth Tanner Michael J Cattell

PURPOSE The aim of this study was to test the modulus of elasticity (E) across the interfaces of yttria stabilized zirconia (YTZP) / veneer multilayers using nanoindentation. MATERIALS AND METHODS YTZP core material (KaVo-Everest, Germany) specimens were either coated with a liner (IPS e.max ZirLiner, Ivoclar-Vivadent) (Type-1) or left as-sintered (Type-2) and subsequently veneered with a pre...

Journal: :Dental materials : official publication of the Academy of Dental Materials 2008
Jasenka Zivko-Babić Dragutin Lisjak Lidija Curković Marko Jakovac

OBJECTIVES The purpose of this research was to determine the mass concentrations of ions eluted from dental ceramic after an exposure to hydrochloric acid and, drawing on those results, to develop a feedforward backpropagation neural network (NN). MATERIALS AND METHODS Four dental ceramics were selected for this study. The experimental measurement was conducted after 1, 2, 3, 6 and 12 months ...

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