Results 31 to 40 of about 8,731 (296)

Trueness assessment of additively manufactured maxillary complete denture bases produced at different orientations

open access: yes, 2022
Statement of problem: The trueness of the intaglio surface of an additively manufactured maxillary denture base may be influenced by the build orientation and the inclusion of support struts. Purpose: The purpose of this in vitro study was to compare the
Abuzar, MA   +4 more
core   +1 more source

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

Fabrication trueness and internal fit of hybrid abutment crowns fabricated by using additively and subtractively manufactured resins. [PDF]

open access: yes, 2023
OBJECTIVES To evaluate the fabrication trueness and internal fit of hybrid abutment crowns fabricated by using additively and subtractively manufactured restorative materials.
Almira Ada Diken Türksayar   +5 more
core   +2 more sources

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 the reproduction of dental casts by the conventional, milling and 3D printing techniques

open access: yesBrazilian Dental Science, 2021
Objective: To compare the reproduction trueness and precision of dental casts made by the conventional, milling and 3D printing techniques. Material and Methods: From an upper right side half-arch reference model (RM), 72 models were obtained and ...
Diogo Cabecinha Viegas   +6 more
doaj   +1 more source

Additive or subtractive manufacturing of crown patterns used for pressing or casting: a trueness analysis. [PDF]

open access: yes, 2022
OBJECTIVES To investigate the effect of subtractive and additive manufacturing techniques on the trueness of crown patterns used for pressing or casting. MATERIAL AND METHODS A complete-coverage mandibular right first molar crown was designed in
Schimmel, Martin   +5 more
core   +2 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

Trueness and precision of mandibular complete-arch implant scans when different data acquisition methods are used. [PDF]

open access: yes, 2023
OBJECTIVES To evaluate the effect of different data acquisition methods on the trueness and precision of mandibular complete-arch implant scans. METHODS An edentulous polyurethane master mandibular model with 6 implants was digitized by using an
Demirel, Münir   +3 more
core   +2 more sources

Trueness and precision of intraoral scanners in the maxillary dental arch: an in vivo analysis. [PDF]

open access: yes, 2020
Intraoral three-dimensional imaging has gained great interest in dentistry as a mean to generate risk-free imprints of the oral cavity. Accurate intraoral models facilitate proper diagnosis, growth assessment, outcome evaluation, and 3D printing ...
Winkler, Jonas, Gkantidis, Nikolaos
core   +2 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

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