Results 11 to 20 of about 8,548,248 (305)

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

Al-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 , Ahmed A Al–Ali , Omar A Sheet   +2 more
doaj   +1 more source

The Influence of the Layer Height and the Filament Color on the Dimensional Accuracy and the Tensile Strength of FDM-Printed PLA Specimens

Polymers, 2023
Among the FDM process variables, one of the less addressed in previous research is the filament color. Moreover, if not explicitly targeted, the filament color is usually not even mentioned.
D. Frunzaverde, V. Cojocaru, Nicoleta Bacescu, C. Ciubotariu, C. Micloșină, R. Turiac, G. Mărginean   +6 more
semanticscholar   +1 more source

Quality assurance in 3D-printing: A dimensional accuracy study of patient-specific 3D-printed vascular anatomical models

Frontiers in Medical Technology, 2023
3D printing enables the rapid manufacture of patient-specific anatomical models that substantially improve patient consultation and offer unprecedented opportunities for surgical planning and training.
Phi Hung Le Nguyen, Ivan Stanislaus, Clover McGahon, K. Pattabathula, S. Bryant, Nigel Pinto, J. Jenkins, Christoph Meinert   +7 more
semanticscholar   +1 more source

Optimization of Dimensional Accuracy and Surface Roughness of SLA Patterns and SLA-Based IC Components

Polymers, 2023
Rapid investment casting is a casting process in which the sacrificial patterns are fabricated using additive manufacturing techniques, making the creation of advanced designs possible.
Aishabibi Mukhangaliyeva, Damira Dairabayeva, Asma Perveen, Didier Talamona   +3 more
semanticscholar   +1 more source

Cytotoxicity, Colour Stability and Dimensional Accuracy of 3D Printing Resin with Three Different Photoinitiators

Polymers, 2022
Biocompatibility is important for the 3D printing of resins used in medical devices and can be affected by photoinitiators, one of the key additives used in the 3D printing process.
Gi-Tae Kim, H. Go, Jaehun Yu, Song-Yi Yang, Kwang-Mahn Kim, Sung-Hwan Choi, J. Kwon   +6 more
semanticscholar   +1 more source

Influence of different post-processing methods on the dimensional accuracy of 3D-printed photopolymers for dental crown applications - A systematic review.

Journal of The Mechanical Behavior of Biomedical Materials, 2023
OBJECTIVES To perform a systematic review that provides an overview of the current literature on the influence of different post-processing methods on the accuracy of additive-manufactured (3D-printed) photopolymer crown materials, and whether more ...
Jason Cao, Xiaoyun Liu, Andrew B. Cameron, J. Aarts, J. Choi   +4 more
semanticscholar   +1 more source

Comparative Study about Dimensional Accuracy and Surface Finish of Constant-Breadth Cams Manufactured by FFF and CNC Milling

Micromachines, 2023
In this work, the design, manufacture and measurement process of constant-breadth cams is presented. The motion law of the cam was designed by means of Bézier curves and the corresponding design desmodromic constraints.
Enrique E. Zayas-Figueras, Irene Buj-Corral   +1 more
doaj   +1 more source

Dimensional Accuracy of 3D Printed Dog-bone Tensile Samples: A Case Study

Engineering, Technology & Applied Science Research, 2023
Three-dimensional (3D) printing technology has revolutionized manufacturing by enabling the rapid production of complex objects. However, ensuring dimensional accuracy in 3D printed parts remains a significant challenge due to various factors, including ...
D. G. Zisopol, A. Portoacă, M. Tănase
semanticscholar   +1 more source

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

Euromediterranean 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

Comparison of dimensional accuracy between direct-printed and thermoformed aligners

The Korean Journal of Orthodontics, 2022
Objective The purpose of this study was to evaluate and compare the dimensional accuracy between thermoformed and direct-printed aligners. Methods Three types of aligners were manufactured from the same reference standard tessellation language (STL) file
Nickolas Koenig, Jin-Young Choi, Julie F. McCray, Andrew Hayes, P. Schneider, Ki Beom Kim   +5 more
semanticscholar   +1 more source