Results 11 to 20 of about 4,846,533 (293)

Influence of Printing Parameters on the Dimensional Accuracy of Concave/Convex Objects in FDM Printing [PDF]

open access: yesEngineering Proceedings, 2022
Three-dimensional printing belongs to the emerging technologies of our time. An important aspect regarding the potential applications of 3D-printed objects is their dimensional accuracy.
Burhan Ekinci, Andrea Ehrmann
doaj   +4 more sources

Three dimensional evaluation of accuracy of bracket positioning

open access: yesJournal of Pharmacy and Bioallied Sciences, 2023
Introduction: The success of orthodontic treatment depends on accurate bracket placement, so researchers are constantly exploring new direct and indirect bonding methods with the help of cutting-edge imaging technologies like cone beam computed ...
Kapil Kamal Kishor Fafat   +5 more
doaj   +3 more sources

Horizontal dimensional accuracy prediction of selective laser melting

open access: yesMaterials & Design, 2018
A theoretical model has been proposed to predict the horizontal dimensional accuracy of selective laser melting (SLM) in this paper. It is found that the horizontal dimensional deviation of SLM consists of two parts. The first part is related to the mode
Luo Zhang   +5 more
doaj   +3 more sources

Evaluation of the Dimensional Accuracy of Polymeric Helical Gears Manufactured via Fused Filament Fabrication (FFF) [PDF]

open access: yesMicromachines
Polymeric gears are commonly employed in applications where low weight and noise, as well as corrosion resistance, are important, such as consumer products, automotive components, and medical devices.
Enrique E. Zayas-Figueras   +2 more
doaj   +2 more sources

Multi-Stage micro-CT–based dimensional accuracy assessment of a voronoi-based patient-specific cranial implant fabricated by electron beam melting [PDF]

open access: yesFrontiers in Medical Technology
IntroductionPatient-specific cranial implants fabricated using powder bed fusion technologies require rigorous dimensional validation to ensure reliable digital-to-physical translation, particularly when complex architectures are employed.
Horațiu Rotar   +9 more
doaj   +2 more sources

Dimensional Accuracy and Short-Term Stability of Orthodontic Resin-Printed Models: A Closed Dental System Compared with Commercial Desktop Workflows [PDF]

open access: yesDentistry Journal
Background/Objectives: Resin 3D printing is widely used to fabricate orthodontic diagnostic models, but the practical performance of commercial desktop workflows compared to dental-certified workflows is still debated. This study compared the dimensional
Pilar España-Pamplona   +5 more
doaj   +2 more sources

EVALUATION OF DIMENSIONAL ACCURACY, FLOW, AND GELATION TIME OF 1.0% CHITOSAN INCORPORATED IRREVERSIBLE HYDROCOLLOID IMPRESSION MATERIAL [PDF]

open access: yesEuromediterranean Biomedical Journal, 2022
In dentistry, irreversible hydrocolloid impression materials are frequently utilised for making both preliminary and final impressions. Dental professionals are more likely to become contaminated by these materials. According to studies, using 1.0% water-
Rama Krishna Alla
doaj   +1 more source

Linear Dimensional Change and Accu-racy of Fit of Positive Pressure Thermo–Formed Prosthodontic Materials [PDF]

open access: yesAl-Rafidain Dental Journal, 2012
To determine the dimensional accuracy of thermoformed dental base plates. Materials and methods: Six different types of thermoformed materials were used.
Zeina M Ahmad   +2 more
doaj   +1 more source

Dimensional accuracy of vinyl polyether and polyvinyl siloxane impression materials in direct implant impression technique for multiple dental implants

open access: yesEuropean Oral Research, 2021
Purpose The present study compared the dimensional accuracy of vinyl polyether silicone (VPES) and polyvinyl siloxane (PVS) impression materials used for non-splinted (NS) and splinted (S) direct open-tray impression techniques for multiple implants ...
Rohini Rajendran   +3 more
doaj   +1 more source

Analyzing the Impact of FDM Parameters on Compression Strength and Dimensional Accuracy in 3D printed PLA Parts [PDF]

open access: yesEngineering and Technology Journal, 2023
Fused deposition modeling (FDM) is an additive manufacturing (AM) technique frequently used to create prototypes and parts with intricate geometrical designs.
Hind Abdulridha, Tahseen Abbas
doaj   +1 more source

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