Results 31 to 40 of about 52,245 (305)

Effect of aqueous environment on wear resistance of dental glass–ceramics

open access: yesBMC Oral Health, 2022
Background Wear resistance affects dental ceramics longevity and the functions of the opposing teeth. However, data for the effect of aqueous environment on wear resistance of dental ceramics are lacking.
Zhenzhen Zhang   +6 more
doaj   +1 more source

Effects of different concentrations of carbamide peroxide and bleaching periods on the roughness of dental ceramics

open access: yesBrazilian Oral Research, 2011
The wide use of dental bleaching treatment has brought concern about the possible effects of hydrogen peroxide on dental tissue and restorative materials.
Sérgio Augusto Morey Ourique   +4 more
doaj   +1 more source

ZIRCONIA CERAMICS: PROPERTIES AND CLASSIFICATION

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2022
Introduction and aim: Zirconia is currently the most commonly used representative of polycrystalline dental ceramics. It is highly valued for its mechanical properties: hardness, strength and toughness.
T Kovalský   +6 more
doaj   +1 more source

A tooth preparation technique in fixed prosthodontics for students and neophyte dentists [PDF]

open access: yes, 2015
The aim of this study was to evaluate a novel technique of tooth preparation in fixed prosthodontics suitable for dental students and neophyte dentists.MATERIALS AND METHODS: Twenty-four dental students of the sixth-year class were recruited to verify
Brauner, Edoardo   +5 more
core   +1 more source

Highly toughened translucent glass matrix nanoceramics enhanced by amorphous Al2O3

open access: yesJournal of Advanced Ceramics
The introduction of glass matrix ceramics in dental restorations has revolutionized dental aesthetics. A key challenge in the development of dental glass ceramics is achieving nanocrystalline glass ceramics with superior mechanical properties without ...
Huasi Zhou   +4 more
doaj   +1 more source

Surface microstructural changes of spark plasma sintered zirconia after grinding and annealing [PDF]

open access: yes, 2016
Spark plasma sintered zirconia (3Y-TZP) specimens have been produced of 140 nm 372 nm and 753 nm grain sizes by sintering at 1250 °C, 1450 °C and 1600 °C, respectively.
Akhtar, Farid   +5 more
core   +2 more sources

Dental ceramics: An update

open access: yesJournal of Conservative Dentistry, 2010
In the last few decades, there have been tremendous advances in the mechanical properties and methods of fabrication of ceramic materials. While porcelain-based materials are still a major component of the market, there have been moves to replace metal ceramics systems with all ceramic systems.
Shenoy, Arvind, Shenoy, Nina
openaire   +3 more sources

Zirconia Ceramics

open access: yesActa Medica
Zirconia ceramics have become popular among other dental ceramics thanks to their biological, mechanical, optical, and aesthetic properties. CAD/CAM (computer-aided design / computer-aided manufacturing) technology improvement has played a vital role in ...
Bedirhan Savas Yigit   +2 more
doaj   +1 more source

Study of the mechanical properties of a ceramics of orthopedic and dental use [PDF]

open access: yes, 2005
The study of the preparation of ceramics is consisted in sintering a hardened cement, wich is composed of mixture of three calcium phosphates : tetracalcium phosphate (Ca4(PO4)2O), -tricalcium phosphate (-Ca3(PO4)2) and monocalcium phosphate (Ca(H2PO4)2.
Ferhat, M.   +3 more
core   +2 more sources

Evaluation of Different Dental Materials Used in Forensic Dentistry: A Comparative Study

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: Forensic dentistry plays a pivotal role in the identification of individuals, particularly in mass disasters and criminal investigations. This study evaluates various dental materials used in forensic identification. Methods: Different dental
Arshdeep S. Kohli   +6 more
doaj   +1 more source

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