Results 41 to 50 of about 29,600 (207)

Measurement of the accuracy of dental working casts using a coordinate measuring machine [PDF]

open access: yesVojnosanitetski Pregled, 2016
Background/Aim: Dental impressions present a negative imprint of intraoral tissues of a patient which is, by pouring in gypsum, transferred extraorally on the working cast.
Potran Michal   +5 more
doaj   +1 more source

Direct Probing of Dispersion Quality of ZrO2 Nanoparticles Coated by Polyelectrolyte at Different Concentrated Suspensions. [PDF]

open access: yes, 2015
This study reports useful application of the electrokinetic sonic amplitude (ESA) technique in combination with rheometry and electron microscopy techniques for direct probing the stability of low and high-concentrated zirconia (ZrO2) nanosuspensions in ...
Anvari, Bahman   +8 more
core   +1 more source

Effect of full arch two scanning techniques on the accuracy of overdenture conventional and CAD/CAM Co-Cr bars

open access: yesSaudi Dental Journal, 2022
Purpose: This work evaluates the internal and marginal adaptation of implant-assisted overdenture cobalt–chromium (Co–Cr) bars manufactured using conventional as well as CAD/CAM subtractive and selective laser melting (SLM) utilizing two scanning ...
Ali Alenezi   +2 more
doaj   +1 more source

Effect of casting atmosphere on the shear bond strength of a ceramic to Ni-Cr and Ni-Cr-Be alloys [PDF]

open access: yes, 2009
The success of metal-ceramic restorations depends on an optimal bond between metal and ceramic. This study evaluated the effect of 3 casting atmospheres on the metal-ceramic bond strength (MCBS) of 2 Ni-Cr alloys, with beryllium (Fit Cast V) and without ...
BEZZON, Osvaldo Luiz   +4 more
core   +1 more source

Creating a Digital 3D Model of the Dental Cast Using Structure-from-Motion Photogrammetry Technique

open access: yesInternational Journal of Online and Biomedical Engineering (iJOE), 2023
Photogrammetry is a technique used to obtain a reliable database of any physical object, by creating a digital 3d model using multiple photos taken at different angles around the object. Recently, several fields have used this technique to build digital 3D models, such as topography, architecture, engineering, and medicine.
Reem Al-Tameemi   +2 more
openaire   +1 more source

Different fabrication techniques of implant-supported prostheses

open access: yesBrazilian Journal of Oral Sciences, 2019
Aim: This study evaluated the mechanical behavior of implant-supported crowns obtained by different fabrication technique after thermomechanical cycling.
Silas Monteiro Borges   +5 more
doaj   +1 more source

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

Vertical misfit of laser-sintered and vacuum-cast implant-supported crown copings luted with definitive and temporary luting agents [PDF]

open access: yes, 2012
Objectives. This study aimed to evaluate the vertical discrepancy of implant-supported crown structures constructed with vacuum-casting and Direct Metal Laser Sintering (DMLS) technologies, and luted with different cement types.
Albaladejo Martínez, Alberto   +6 more
core   +1 more source

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  

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

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