Results 41 to 50 of about 52,245 (305)

The Validity of Subjects in Korean Dental Technicians' Licensing Examination [PDF]

Journal of Educational Evaluation for Health Professions, 2005
This study prepared a basic framework for the development and improvement of Korean Dental Technicians' Licensing Examination, based on actual test questions. A peer review was conducted to ensure relevance to current practices in dental technology.
Woong-chul Kim, Won-chul Lee, Young-seok Sohn, Sae-yoon Oh, Bu-sob Kim, Chin-ho Yu, Ji-hwan Kim   +6 more
doaj   +1 more source

The Evolution of Dental Materials over the Past Century: Silver and Gold to Tooth Color and Beyond. [PDF]

, 2019
The field of dental materials has undergone more of a revolution than an evolution over the past 100 y. The development of new products, especially in the past half century, has occurred at a staggering pace, and their introduction to the market has been
Bayne, SC, Ferracane, JL, Marshall, GW, Marshall, SJ, van Noort, R   +4 more
core   +1 more source

Development and Preliminary In Vivo Study of 3D‐Printed Bioactive Glass Scaffolds with Trabecular Architecture

Advanced Engineering Materials, EarlyView.
This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov, Roberta Gabrieli, Avzal Akbarov, Nigora Nigmatova, Bekhzod Khabilov, Alessandro Schiavi, Martin Schwentenwein, Enrica Verné, Francesco Baino   +8 more
wiley   +1 more source

Restoration of a molar tooth using hybrid ceramic overlay

Fogorvosi Szemle
Thanks to developments in dental CAD/CAM technology, a variety of materials are now available for dental restorations, including different types of hybrid ceramics, also known as resin matrix ceramics. Hybrid ceramics are characterized by their inorganic
Gábor András Suta, Csaba Hegedűs
doaj   +1 more source

Surface roughness evaluation of in vitro refinished dental ceramics followed by bleaching treatment

Brazilian Dental Science, 2013
Objective: The objective of this study was to evaluate the effect of refinishing process on dental ceramics roughness and the effect of bleaching treatment with 16% carbamide peroxide.
Sérgio Augusto Morey Ourique, Leonardo Colombo Zeidan, Alessandra Cassoni, Cesar Augusto Galvão Arrais, José Augusto Rodrigues   +4 more
doaj   +1 more source

Naturally Derived Donor‐π‐Acceptor Compounds for Efficient Long‐Wavelength LEDs/Sunlight‐Induced Polymerization and High‐Precision Multiple 3D Printing

Advanced Functional Materials, EarlyView.
Two novel donor–π–acceptor photoinitiators enable ultrafast long‐wavelength photopolymerization under blue/green LEDs and sunlight. Effective at low intensities and concentrations, they overcome slow kinetics and permit rapid 3D printing via DLW, DLP, and LCD methods.
Ji Feng, Tong Gao, Fabrice Morlet‐Savary, Michael Schmitt, Céline Dietlin, Jing Zhang, Pu Xiao, Frédéric Dumur, Jean‐Patrick Joly, Jacques Lalevée   +9 more
wiley   +1 more source

Strength Properties of Preceramic Brazed Joints of a Gold-Palladium Alloy with a Microwave-assisted Oven and Gas/Oxygen Torch Technique [PDF]

, 2014
Statement of problem The effect of microwave brazing on the strength properties of dental casting alloys is not yet known. Purpose The purpose of this study was to compare the strength properties of preceramic brazed joints obtained by using a microwave
Dunford, Robert, Kim, Hyeongil, Monaco, Jr., Edward A., Prasad, Soni   +3 more
core   +1 more source

Fatigue of dental ceramics

Journal of Dentistry, 2013
Clinical data on survival rates reveal that all-ceramic dental prostheses are susceptible to fracture from repetitive occlusal loading. The objective of this review is to examine the underlying mechanisms of fatigue in current and future dental ceramics.The nature of various fatigue modes is elucidated using fracture test data on ceramic layer ...
Zhang, Yu, Sailer, Irena, Lawn, Brian R
openaire   +5 more sources

Shape‐Morphing Nanoengineered Hydrogel Ribbons as Hemostats

Advanced Functional Materials, EarlyView.
This study introduces a self‐assembling, shape‐morphing nanoengineered hydrogel ribbon system that rapidly forms porous aggregates in situ for efficient hemostasis in trauma and surgical applications. Abstract Rapid and effective hemorrhage control remains a major challenge in trauma and surgical care, particularly for complex or noncompressible wounds.
Ryan Davis Jr, Saptarshi Biswas, Jacob Aragon, Asaf Dana, Jasmine Sureka, Vaaridhi Ramanuja, Jeevika Thazhaiselvam, Sarah E. Miller, Taylor H. Ware, Akhilesh K. Gaharwar   +9 more
wiley   +1 more source

An overview of dental glass–ceramics: From material design to the manufacturing process

International Journal of Ceramic Engineering & Science
As a subserie of the dental ceramic material family, glass–ceramics are favored for their excellent aesthetic properties. The feasibility of current commercially available dental glass–ceramics applications has been proven, while the assurance and ...
Yongfang Jiang, Changbo Zhang, Jie Xu, Jiamin Xu, Xue‐Qing Zhan, Ning Ma, Fang‐Chang Tsai   +6 more
doaj   +1 more source