Publication: Effect of interchanging liquid components of two auto-polymerizing orthodontic acrylic resins in their flexural properties
Issued Date
2014-01-01
Resource Type
ISSN
16628985
10226680
10226680
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2-s2.0-84913537057
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Mahidol University
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SCOPUS
Bibliographic Citation
Advanced Materials Research. Vol.1025-1026, (2014), 797-802
Suggested Citation
Tassanaporn Saen-Isara, Surachai Dechkunakorn, Niwat Anuwongnukroh, Toemsak Srikhirin, Siriporn Tanodekaew Effect of interchanging liquid components of two auto-polymerizing orthodontic acrylic resins in their flexural properties. Advanced Materials Research. Vol.1025-1026, (2014), 797-802. doi:10.4028/www.scientific.net/AMR.1025-1026.797 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/33887
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Title
Effect of interchanging liquid components of two auto-polymerizing orthodontic acrylic resins in their flexural properties
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Abstract
© (2014) Trans Tech Publications, Switzerland. To evaluate the effects of interchanging the liquid components of two commercially available orthodontic auto-polymerizing acrylic resin in their flexural properties, clarity and setting time. The chemical composition of the liquid component of two commercially available orthodontic acrylic resin, Orthocryl® and Vertex™ Orthoplast, were examined by GC-MS analysis. The experimental groups were formed by interchanging the powder and liquid components between the two brands. Clarity and setting time of the completely polymerized resins were observed; where as the flexural properties were measured by a three-point bending test. There were differences in the amount of accelerator and cross-linking agent in the liquid components of the two orthodontic resins. Interchanging the liquid component between the two resins affected flexural strength of Orthocryl® powder group, but it had no effect on the flexural modulus. Orthocryl® liquid groups yielded significantly higher flexural strength. The amount of accelerator and cross-linking agent in liquid component influenced the flexural properties of the two tested orthodontic acrylic resins. Although the use of different liquid component had no effect on the setting time, the clarity of specimens was compromised.