Results 41 to 50 of about 391,375 (390)

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

Requirements and characteristics of materials for functional impressions in complete dentures: a literature review [PDF]

open access: yes, 2023
Functional impression is one of the fundamental steps for the success of the rehabilitation treatment. Therefore, the objective of this work is, by means of a literature review, characterized as the main characteristics of the materials used in the ...
Almeida, Laíz Fernanda Tufi   +5 more
core   +1 more source

Effects of radio-opacifier addition in dental impression material [PDF]

open access: yesIndian Journal of Dental Research, 2010
The aim of this in vitro study was to determine the effects of barium sulfate addition in two dental impression materials previously proved as radiolucent.An irreversible hydrocolloid (IH) and polyether (PE) were tested for optical density, linear dimension stability and detail reproduction.The optical density data were submitted to Kolmogorov-Smirnov ...
Mota, Eduardo Gonçalves   +3 more
openaire   +4 more sources

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

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

Cytotoxic Evaluation of Elastomeric Dental Impression Materials on a Permanent Mouse Cell Line and on a Primary Human Gingival Fibroblast Culture [PDF]

open access: yes, 2009
The need for clinically relevant in vitro tests of dental materials is widely recognized. Nearly all dental impression materials are introduced into the mouth just after mixing and allowed to set in contact with the oral tissues.
BORALDI, Federica   +4 more
core   +2 more sources

An Investigation of the Dimensional Stability of Dental Alginates [PDF]

open access: yes, 2006
Dimensional stability was defined by Nicholls (1977) as “the ability (of a material) to maintain accuracy over time”, and the result of loss of accuracy, “distortion”, as “the relative movement of a single point, or group of points, away from some ...
Nichols, Paul Vincent
core   +4 more sources

Physical properties of irreversible hydrocolloid dental impression materials obtained from brown algae species Padina sp.

open access: yesJournal of Physics: Conference Series, 2018
The aim of this study was to prepare an irreversible hydrocolloid dental impression material extracted from brown algae (Padina sp.). The physical properties, such as purity, viscosity, and setting time of the material, were evaluated and compared with ...
N. Hamrun   +5 more
semanticscholar   +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

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