Results 21 to 30 of about 4,572 (256)

ASSESSMENT OF THE MILLING TRUENESS AND PRECISION OF TWO DIFFERENT IMPLANT-SUPPORTED BAR MATERIALS BY 3D OPTICAL SCANNING. [PDF]

open access: yesAlexandria Dental Journal
Objective: Milling trueness is a critical factor in digital dentistry, influencing the precision and fit of milled restorations. This paper reviews the concept of milling trueness, factors affecting its accuracy, and its clinical implications.
nourhan Emam   +2 more
doaj   +1 more source

Deviations in palatal region between indirect and direct digital models: an in vivo study

open access: yesBMC Oral Health, 2019
Background Studies focusing on accuracy of intraoral digital models in the palatal region are scarce. The present study aimed to investigate the influence of different scanning sequences on palatal trueness and to assess deviation and distribution ...
Yang Zhongpeng   +2 more
doaj   +1 more source

Trueness and Precision of Three-Dimensional Digitizing Intraoral Devices [PDF]

open access: yesInternational Journal of Dentistry, 2018
Aim. To measure the trueness and precision under repeatable conditions for different intraoral scanners (IOSs) when scanning fully edentulous arch with multiple implants. Materials and Methods. Three IOSs and one industrial scanner were used to scan one edentulous master cast containing five implant scan bodies and three spheres.
Hussam Mutwalli   +3 more
openaire   +5 more sources

Evaluation of the trueness and adaptation of zirconia crowns fabricated with stereolithography

open access: yesDental Materials Journal, 2023
The aim of this study was to evaluate the accuracy and adaptation of all-ceramic zirconia crowns fabricated by stereolithography (SLA) compared with computer-aided design/computer-aided manufacturing (CAD/CAM) milling technology. Ten all-ceramic zirconia crowns each were fabricated with SLA (experimental group) and CAD/CAM numerical control milling ...
LI, Boyu, JIANG, Qingsong, MENG, Dan
openaire   +2 more sources

A New Method to Evaluate Trueness and Precision of Digital and Conventional Impression Techniques for Complete Dental Arch

open access: yesApplied Sciences, 2021
Purpose: The aim of this study was to present a new method to analyze the three-dimensional accuracy of complete-arch dental impressions and verify the reliability of the method.
KweonSoo Seo, Sunjai Kim
doaj   +1 more source

Digital Procedures Compared to Conventional Gypsum Casts in the Manufacturing of CAD/CAM Adhesive Restorations: 3D Surface Trueness and Interfacial Adaptation Analysis

open access: yesApplied Sciences, 2021
Objective. The purpose of this ex vivo study was to compare the trueness of traditional and digital workflows and to analyze the interfacial fit of CAD/CAM restorations on gypsum and 3D-printed casts (3DC).
Andrea Baldi   +10 more
doaj   +1 more source

Is There a Significant Difference in Accuracy of Four Intraoral Scanners for Short-Span Fixed Dental Prosthesis? A Comparative In Vitro Study

open access: yesApplied Sciences, 2021
Is the accuracy of the older generation of IOSs an impediment for obtaining a quality intraoral digital impression? The aim of this study was to evaluate the differences in accuracy between four intraoral scanners (two of the latest IOSs and two older ...
Anca Jivănescu   +3 more
doaj   +1 more source

A novel in vivo method to evaluate trueness of digital impressions [PDF]

open access: yesBMC Oral Health, 2018
Intraoral scanners are devices for capturing digital impressions in dentistry. Until now, several in vitro studies have assessed the trueness of digital impressions, but in vivo studies are missing. Therefore, the purpose of this study was to introduce a new method to assess trueness of intraoral scanners and digital impressions in an in vivo clinical ...
Albdour, Emad A.   +5 more
openaire   +4 more sources

A Collaborative Approach between Japan and China for Implementing Interlaboratory Evaluation of Olfactometry

open access: yesAtmosphere, 2020
Odor measurement is a crucial element of odor management and regulation. This paper introduced a collaborative implementation of interlaboratory evaluation of olfactometry between Japan and China.
Takaya Higuchi   +4 more
doaj   +1 more source

In Vitro Evaluation of the Accuracy of Intraoral Scanners for Anterior and Posterior Dental Restorations [PDF]

open access: yesJournal of Mashhad Dental School, 2022
Introduction: Passing through the traditional methods of impression making and using the latest technology of digital scanners forces us to compare the positive and negative characteristics of these tools with those of the usual methods adopted in ...
Reihane Rafienezad   +3 more
doaj   +1 more source

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