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ORIGINAL STUDY COMPETITION
Year : 2018  |  Volume : 18  |  Issue : 5  |  Page : 19

OSC27: To evaluate the flexural strength of tectona grandis natural fibre and polyethylene synthetic fibre reinforced PMMA resin


Date of Web Publication31-Oct-2018

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-4052.244618

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How to cite this article:
. OSC27: To evaluate the flexural strength of tectona grandis natural fibre and polyethylene synthetic fibre reinforced PMMA resin. J Indian Prosthodont Soc 2018;18, Suppl S1:19

How to cite this URL:
. OSC27: To evaluate the flexural strength of tectona grandis natural fibre and polyethylene synthetic fibre reinforced PMMA resin. J Indian Prosthodont Soc [serial online] 2018 [cited 2018 Nov 20];18, Suppl S1:19. Available from: http://www.j-ips.org/text.asp?2018/18/5/19/244618



Puja Harie Priya, Murugesan Krishnan, Brintha Jel.J

SRM Dental College, Ramapuram, Chennai-89

Aim: The polyethylene fibres made from polymer or copolymers of olefin hydrocarbon are thin, strong, easy to manipulate and exhibit excellent bonding. Tectona grandis fibres are teek wood fibres which are anti inflammatory, antibacterial, antioxidant, antiviral, cytotoxic, easily available and economical when compared to synthetic fibers. These fibres were reinforced with PMMA in this study. The aim of this study was to evaluate and compare the flexural strength of heat polymerized PMMA resin reinforced with natural and artificial fibers.

Materials and Methods: A total of 15 samples are prepared by using a standardized stainless steel die with a dimension of 62×10×3mm. The samples were categorized into Group A: heat polymerized PMMA resin; Group B: heat polymerized PMMA resin reinforced with polyethylene fibres which were soaked in monomer for 10 minutes and then mixed with polymer; Group C: heat polymerized PMMA resin reinforced with 24 hours heat treated tectona grandis fibers, which were mixed with polymer. Monomer and polymer were mixed in the ratio of 3: 1 and the processing was done by conventional flasking method. The retrived samples were finished, polished and tested by 3-point bending test. The obtained values were statistically analyzed.

Result: Group C showed a statistically significant value with improved flexural strength than Group A and B.

Conclusion: The Tectona grandis natural fibres reinforced PMMA can be a best replacement for synthetic fibres reinforced PMMA.






 

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