The aesthetic appeal of composite-resin restoratives promotes their use, however their functional life is significantly shorter when compared to their metal counterparts.1 One possible reason is the effect of polymerization stress on marginal integrity. Shrinkage of the composite, and its associated stress, has been found to cause gap formation and stress interactions between the restorative and the adhesive. These gaps offer an ideal niche for bacteria, and, when compounded by the mechanical strain of chewing, can lead to premature failure of the restorative.2,3 Additionally, it is well known that incomplete conversion of the double bonds occurs during methacrylate polymerizations.4–7 A high degree of conversion is needed to prevent the presence of potentially hazardous monomers.8
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ASME 2012 Summer Bioengineering Conference
June 20–23, 2012
Fajardo, Puerto Rico, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4480-9
PROCEEDINGS PAPER
Polymerization Stress and the Influence of TOSU Addends on Methacrylate Composites
Ryan R. Holmes,
Ryan R. Holmes
University of Missouri-Kansas City, Kansas City, MO
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Jennifer R. Melander,
Jennifer R. Melander
University of Missouri-Kansas City, Kansas City, MO
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Rachel A. Weiler,
Rachel A. Weiler
University of Missouri-Kansas City, Kansas City, MO
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Thomas P. Schuman,
Thomas P. Schuman
University of Missouri-Kansas City, Kansas City, MO
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Kathleen V. Kilway,
Kathleen V. Kilway
University of Missouri-Kansas City, Kansas City, MO
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J. David Eick
J. David Eick
University of Missouri-Kansas City, Kansas City, MO
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Ryan R. Holmes
University of Missouri-Kansas City, Kansas City, MO
Jennifer R. Melander
University of Missouri-Kansas City, Kansas City, MO
Rachel A. Weiler
University of Missouri-Kansas City, Kansas City, MO
Thomas P. Schuman
University of Missouri-Kansas City, Kansas City, MO
Kathleen V. Kilway
University of Missouri-Kansas City, Kansas City, MO
J. David Eick
University of Missouri-Kansas City, Kansas City, MO
Paper No:
SBC2012-80627, pp. 761-762; 2 pages
Published Online:
July 19, 2013
Citation
Holmes, RR, Melander, JR, Weiler, RA, Schuman, TP, Kilway, KV, & Eick, JD. "Polymerization Stress and the Influence of TOSU Addends on Methacrylate Composites." Proceedings of the ASME 2012 Summer Bioengineering Conference. ASME 2012 Summer Bioengineering Conference, Parts A and B. Fajardo, Puerto Rico, USA. June 20–23, 2012. pp. 761-762. ASME. https://doi.org/10.1115/SBC2012-80627
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