Results 31 to 40 of about 396,269 (359)
The properties of underlying substrates influence the quality of an intraoral scan, but few studies have compared the outcomes using common restorative materials.
Jung-Hwa Lim+5 more
semanticscholar +1 more source
Three-dimensional accuracy of different impression techniques for dental implants
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
Study of the interocclusal distortion in impressions taken with different types of closed-mouth trays and two types of impression materials [PDF]
The aim of this study was to compare different types of impression trays for the closed-mouth impression technique, using two different types of impression material.
Mañes Ferrer, José Félix+3 more
core +1 more source
Linear dimensional changes in plaster die models using different elastomeric materials
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
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
Effects of radio-opacifier addition in dental impression material [PDF]
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
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
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]
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
Introduction The current gold standard is a conventional impression made with various impression materials and trays and results in a gypsum cast. With the development of milling and printing materials in dentistry, especially zirconia, a digital model ...
Hassan A Husein+2 more
semanticscholar +1 more source