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Mechanical properties of soft liner-poly(methyl methacrylate)-based denture material
Date
2002-07-18
Author
Usanmaz, Ali
Latifoglu, MA
Dogan, A
Akkas, N
Yetmez, M
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, the mechanical properties of two different permanent soft lining materials and their bonding to poly(methyl methacrylate) (PMMA) were compared. Both of the soft liners were heat-cured commercial materials. The polymerization was carried out by conventional methods suggested by manufacturer, and the curing was done at the temperature of boiling water for 5, 15, 25, and 35 min. The sample groups were tested in the computer-aided tensile-testing machine at a rate of 2 mm/min. The slow rate helps the collection of more and more reliable data. At this time, the stress-strain curves were used to calculate ultimate tensile strength, elastic modulus, resilience, and toughness. The measurements were carried for PMMA, Molloplast B, Flexor, and a combination of PMMA,/soft liner. After introducing the soft lining material on PMMA of the same thickness, the new material structure was more elastic than the original PMMA. Flexor showed adhesive failure at studied curing periods, but Molloplast B gave larger tear strength values and cohesive rather than adhesive failure at the 25-min and 35-min curing times. (C) 2002 Wiley Periodicals, Inc.
Subject Keywords
Materials Chemistry
,
General Chemistry
,
Surfaces, Coatings and Films
,
Polymers and Plastics
URI
https://hdl.handle.net/11511/58004
Journal
JOURNAL OF APPLIED POLYMER SCIENCE
DOI
https://doi.org/10.1002/app.10338
Collections
Graduate School of Natural and Applied Sciences, Article
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A. Usanmaz, M. Latifoglu, A. Dogan, N. Akkas, and M. Yetmez, “Mechanical properties of soft liner-poly(methyl methacrylate)-based denture material,”
JOURNAL OF APPLIED POLYMER SCIENCE
, pp. 467–474, 2002, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/58004.