Results 41 to 50 of about 21,155 (203)

Recent advances in 3D printing of biomaterials. [PDF]

open access: yes, 2015
3D Printing promises to produce complex biomedical devices according to computer design using patient-specific anatomical data. Since its initial use as pre-surgical visualization models and tooling molds, 3D Printing has slowly evolved to create one-of ...
Chia, Helena N, Wu, Benjamin M
core   +2 more sources

Comparing Digital Reduction Guides and Free‐Hand Techniques for Predoctoral Crown Preparation Accuracy

open access: yesJournal of Dental Education, EarlyView.
ABSTRACT Purpose/Objectives Insufficient tooth reduction compromises crown longevity and aesthetics. This study aimed to determine whether digitally designed, 3D‐printed reduction guides improved crown preparation accuracy and efficiency for dental students compared to freehand preparation.
Xiaoyue Shi, Shuncong Xu, Chenxuan Wei
wiley   +1 more source

Perceived Educational Value of a Self‐Developed 3D‐Printed Pediatric Dentistry Simulator

open access: yesJournal of Dental Education, EarlyView.
ABSTRACT Purpose To design and assess a 3D‐printed pediatric dentistry simulator and to evaluate its perceived educational value and realism through student and expert feedback. Methods A maxillary simulator that is mountable on phantom heads was developed and produced by desktop stereolithography with single‐use inserts, enabling proximal caries ...
Michel Benyamin   +11 more
wiley   +1 more source

Fabrication and Evaluation of New Investment for Dental Application

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2007
Introduction: Investment materials have been used to produce molds for casting of Inlays, Onlays, crowns and bridges. In this study, gypsum and investments routinely used in Iran, were evaluated and characterized, then α hemi hydrate calcium sulfate and ...
T Ahmadi, MH Fathi, A Monshi
doaj  

Effect of laser welding on the titanium composite tensile bond strength [PDF]

open access: yes, 2009
The aim of this study was to analyze the shear bond strength between commercially pure titanium, with and without laser welding, after airbone-particle abrasion (Al2O3) and 2 indirect composites.
GALO, Rodrigo   +4 more
core   +1 more source

A Review of Bioarcheological Investigations in Iron Age Cambodia

open access: yesInternational Journal of Osteoarchaeology, EarlyView.
ABSTRACT Archeological research within Cambodia is quite extensive, with significant projects led by both Cambodian archeologists and international researchers alike. Many of these projects have uncovered human skeletal remains. This article reviews archeological human skeletal studies in Cambodia, synthesizing published and unpublished data, primarily
Sophorn Nhoem, Kate Domett, Nigel Chang
wiley   +1 more source

The study on the integration of Activity Based Costing (ABC) system and six-sigma principle [PDF]

open access: yes, 2005
Manufacturing organizations are facing much more challenges as compared to the earlier years. The important and crucial decisions have to be taken by the management in continuous basis in order to ensure the survival and competitiveness of company ...
Mohd. Rohani, Jafri   +1 more
core  

Advances in 3D Printing for Removable Prosthetics—Insights and Perspectives

open access: yesJournal of Esthetic and Restorative Dentistry, EarlyView.
ABSTRACT Objective This review summarizes recent advances in three‐dimensional (3D) printing for removable prosthodontics, including complete dentures, removable partial dentures, implant‐retained overdentures, and occlusal splints. The aim is to provide clinicians with an overview of current technologies, clinical performance, and future perspectives.
O. Schubert   +3 more
wiley   +1 more source

Rapid preparation of ceramic moulds for medium-sized superalloy castings with magnesia-phosphate-bonded bauxite-mullite investments [PDF]

open access: yesChina Foundry, 2010
Phosphate-bonded investments have already been widely utilized in dental restoration and micro-casting of artistic products for its outstanding rapid setting and high strength.
Li Tingzhong, Luo Jirong, Wu Shusen
doaj  

Evaluation of different bonded investments for dental titanium casting

open access: yesJournal of Materials Science: Materials in Medicine, 2005
The properties of several different investments were investigated including phosphate bonded, magnesia bonded, and alumina cement investments. Measurements included the setting expansion, thermal expansion, and compressive strength of investments, as well as the tensile strength, elongation, Vickers hardness (VHN) and surface roughness of titanium ...
H C, Hsu   +3 more
openaire   +3 more sources

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