Results 51 to 60 of about 391,375 (390)

Accuracy of impressions with different impression materials in angulated implants [PDF]

open access: yes, 2013
Purpose: To evaluate the dimensional accuracy of the resultant (duplicative) casts made from two different impression materials (polyvinyl siloxane and polyether) in parallel and angulated implants.Materials and Methods: Three definitive master casts ...
Chowdhary, R   +4 more
core   +2 more sources

Accuracy of Conventional and Digital Methods of Obtaining Full-Arch Dental Impression (In Vitro Study)

open access: yesCureus, 2022
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

Accuracy of different impression materials in parallel and nonparallel implants

open access: yesDental Research Journal, 2015
Background: A precise impression is mandatory to obtain passive fit in implant-supported prostheses. The aim of this study was to compare the accuracy of three impression materials in both parallel and nonparallel implant positions.
Mahroo Vojdani   +2 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]

open access: yes, 2009
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

ADDITIVE MANUFACTURING AND 3D PRINTING IN DENTISTRY [PDF]

open access: yes, 2022
CAD / CAM techniques applied to solving dental problems demonstrate that there are many solutions available on the market to help the dentist individually perform the rehabilitation of a dental element to meet the specific needs of each patient.
Solimei, Luca
core   +1 more source

Effectiveness of Disinfectants on Antimicrobial and Physical Properties of Dental Impression Materials.

open access: yesInternational Journal of Prosthodontics, 2016
PURPOSE The aim of this study was to assess the antimicrobial activity of chemical disinfectants on alginate and silicone impression materials. The effect of chemical disinfectants on the dimensional stability of the impression materials was also ...
Jean Karl Demajo   +6 more
semanticscholar   +1 more source

Compressive Strength of Alginate Impression Material Incorporated with Silver and Zirconium Oxide Nanoparticles [PDF]

open access: yesAl-Rafidain Dental Journal, 2023
Aims: To investigate the effect of adding nanoparticles on the compressive strength of alginate impression material. Materials and Methods: In this study, two types of nanoparticles were added to alginate impression materials: silver and zirconium oxide ...
Luma Mudhafar Al-Nema, Ahmed Asim Al-Ali
doaj   +1 more source

Alternative impression technique for multiple abutments in difficult case to control [PDF]

open access: yes, 2010
BACKGROUND: Even though excellent impression materials are now available for making accurate replication for hard and soft tissue, the numerous dentists have faced lots of obstacles in making simultaneous impressions of multiple abutments.
Barghi   +12 more
core   +2 more sources

Performance of dental impression materials: Benchmarking of materials and techniques by three-dimensional analysis.

open access: yesDental materials journal, 2015
Among other factors, the precision of dental impressions is an important and determining factor for the fit of dental restorations. The aim of this study was to examine the three-dimensional (3D) precision of gypsum dies made using a range of impression ...
H. Rudolph   +7 more
semanticscholar   +1 more source

Dimensional changes of commercial and novel polyvinyl siloxane impression materials following sodium hypochlorite disinfection

open access: yesPeerJ, 2022
Background Dental impressions are used to record anatomy of teeth and surrounding oral structures. Impression materials become contaminated with saliva and blood requiring disinfection, which may have negative impact on dimensional stability of materials.
Shahab Ud Din   +7 more
semanticscholar   +1 more source

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