Results 41 to 50 of about 4,415,236 (299)

Sex Identification Based on Tooth Crown Trait Analysis Among the Mongoloid Race

open access: yesPesquisa Brasileira em Odontopediatria e Clínica Integrada, 2022
Objective: To determine whether anterior and posterior tooth crown traits exhibit sexual dimorphism and identify traits characteristic to the Mongoloid race, especially among the Indonesian population.
Syifa Ahliya   +4 more
doaj  

In Vitro Study Comparing Retention of Custom Post and Cores Fabricated Using Conventional, CAD/CAM Milling and 3D-Printing Techniques

open access: yesApplied Sciences, 2022
This study aimed to evaluate the differences in the retention of custom-cast non-precious post and cores (CCNPPCs) (control group), custom-milled titanium post and cores (CMTPCs), custom-printed titanium post and cores (CPTPCs), and custom-milled ...
Hatem Alqarni   +7 more
doaj   +1 more source

Evaluation of the accuracy of dental casts manufactured with 3D printing technique in the All-on-4 treatment concept

open access: yesThe Journal of Advanced Prosthodontics, 2022
The aim of this study is to compare the casts obtained by using conventional techniques and liquid crystal display (LCD) three-dimensional (3D) print techniques in the All-on-4 treatment concept of the edentulous mandibular jaw.In this study, a completely edentulous mandibular acrylic cast (typodont) with bone-level implants placed with the All-on-4 ...
Hilin Tas   +4 more
openaire   +2 more sources

Synthesis, Microstructure and Mechanical Properties of Titanium with Controlled Levels of Porosity [PDF]

open access: yes, 2014
Porous titanium (Ti) products have many applications due to their excellent corrosion resistance, high strength-to-weight ratio, high specific surface area, etc.
Xu, Qian
core  

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Assessment of the hardness of different orthodontic wires and brackets produced by metal injection molding and conventional methods

open access: yesDental Research Journal, 2017
Background: This study was conducted to assess the hardness of orthodontic brackets produced by metal injection molding (MIM) and conventional methods and different orthodontic wires (stainless steel, nickel-titanium [Ni-Ti], and beta-titanium alloys ...
Shiva Alavi, Marzie Kachuie
doaj   +1 more source

Produção de compósitos de matriz cerâmica de alumina a partir de colagem de fitas em meio aquoso [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Ciência e Engenharia de Materiais, Florianópolis, 2012Compósitos de matriz cerâmica têm sido desenvolvidos para superar a fragilidade ...
Amadio, Tatiane de Mattos
core  

An Integrated Oxygen‐Supplying Device and Predictive Multiphysics Model for Extended Ambient Transport of Insulin‐Producing Cells

open access: yesAdvanced Functional Materials, EarlyView.
Cell therapies typically rely on cold‐chain logistics and cryopreservation, limiting access and compromising cell quality. Here, a dual‐chamber device separates an oxygen‐supplying chamber from a hyaluronic acid cargo chamber, sustaining oxygen delivery for over 70 h and enabling ambient‐temperature shipment.
Daniel A. Domingo‐Lopez   +9 more
wiley   +1 more source

Fabrication of Combined Prosthesis With Castable Extracoronal Attachments (Laboratory Procedure)

open access: yesJournal of Vocational Health Studies, 2017
Background : Nows a days has developed many kind of dentures to improve the functionality, comfort aesthetics. Stability, retention and its aesthetic can be improved by attachments.
Sri Wahjuni, Sefy Ayu Mandanie
doaj   +1 more source

Comparison of the environmental impact of the CRIMSON process with normal sand casting process [PDF]

open access: yes, 2013
The CRIMSON process is an alternative process to conventional casting that can be used for small to medium batch sizes. The aim of this process are to improve the casting quality and reduce the energy consumption within light-metal casting industry ...
Salonitis, Konstantinos   +2 more
core  

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