Results 31 to 40 of about 5,558,706 (307)

Three-dimensional accuracy of different impression techniques for dental implants

open access: yesDental Research Journal, 2015
Background: Accurate impression making is an essential prerequisite for achieving a passive fit between the implant and the superstructure. The aim of this in vitro study was to compare the three-dimensional accuracy of open-tray and three closed-tray ...
Mohammadreza Nakhaei   +3 more
doaj   +1 more source

Chemical enhancement of footwear impressions in blood deposited on fabric - Evaluating the use of alginate casting materials followed by chemical enhancement [PDF]

open access: yes, 2010
Most footwear marks made in blood on a surface such as fabric tend to be enhanced in situ rather than physically recovered using a lifting technique prior to enhancement.
NicDaeid, N.   +4 more
core   +4 more sources

Linear dimensional changes in plaster die models using different elastomeric materials

open access: yesBrazilian Oral Research, 2010
Dental impression is an important step in the preparation of prostheses since it provides the reproduction of anatomic and surface details of teeth and adjacent structures. The objective of this study was to evaluate the linear dimensional alterations in
Jefferson Ricardo Pereira   +4 more
doaj   +1 more source

Comparison between the in-vitro cytotoxicity of three different multilayer thermoplastic clear aligner materials [PDF]

open access: yes, 2022
Background: Clear aligner therapy (CAT) is a prominent orthodontic treatment option. CAT was formerly only used to treat mild malocclusions, but with developments in technology, it can now treat much more complex malocclusions.
Saunders, Kristin   +4 more
core   +1 more source

Accuracy of implant impression using a multifunctional guide in the All-on-Four treatment concept

open access: yesRevista Cubana de Estomatología, 2020
Introduction: The passivity of prosthetic components is one of the most important prerequisites in oral implant rehabilitation for maintenance of osseointegration.
Juliano de Alencar Vasconcelos   +6 more
doaj   +2 more sources

Effect of a cordless retraction paste material on implant surfaces: an in vitro study

open access: yesBrazilian Oral Research, 2011
Cordless retraction paste material for gingival retraction in implant dentistry has recently become of interest to the clinician. However, few studies have been conducted on the use of retraction pastes and their possible interaction with implant ...
Yin-Szu (Madison) Chang   +3 more
doaj   +1 more source

A Comparative Study to Assess Accuracy of Casts Prepared using Direct Impression Technique with and without Splinting of Multiple Dental Implants Utilising Two Different Splinting and Impression Materials

open access: yesJournal of Pharmacy and Bioallied Sciences, 2023
Background: The current study examined the accuracy of casts generated using direct impression processes with and without splints for multiple dental implants utilizing two different splinting materials and impression materials.
Milap Karia   +7 more
doaj   +1 more source

Accuracy of dental microwear impressions by physical properties of silicone materials

open access: yesFrontiers in Ecology and Evolution, 2022
Dental microwear analysis is an oft-used paleodietary estimation method, and the impression molds or resin casts are often analyzed rather than the original tooth surfaces.
Ryohei Sawaura   +5 more
doaj   +1 more source

Influence of elastic recovery time on the Dimensional Stability of Polydimethylsiloxane (PDS)

open access: yesPolímeros, 2013
The aim of this study was to determine the influence from the recovering time on the dimensional stability of polydimethylsiloxane (Speedex, Coltène/Whaledent Company, Altstätten, Switzerland) prior to type IV dental stone pouring.
Leonardo de Cesero   +4 more
doaj   +1 more source

Altering internal surface of putty impression material for better recording of tooth preparation margins [PDF]

open access: yesJournal of Dental Materials and Techniques, 2018
This article describes the clinical procedures for a modified putty-wash impression technique. In this method, the hydraulic pressure induced from planned flowing the wash material from the inner surface of putty impression toward the vestibules pull ...
Ramin Mosharraf
doaj   +1 more source

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