Investigation of Fatigue and Compression Strength for the PMMA Reinforced by Different System for Denture Applications
International Journal of Biomedical Materials Research
Volume 3, Issue 1, February 2015, Pages: 5-13
Received: Jan. 19, 2015; Accepted: Feb. 1, 2015; Published: Mar. 2, 2015
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Authors
Sihama Issa Salih, Materials Engineering Department, University of Technology, Baghdad, Iraq
Jawad Kadhum Oleiwi, Materials Engineering Department, University of Technology, Baghdad, Iraq
Qahtan Adnan Hamad, Materials Engineering Department, University of Technology, Baghdad, Iraq
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Abstract
In the present search, attempts are made to develop the properties of PMMA resin that used for upper and lower prosthesis complete denture, by addition two different types of particles, which included: nano-hydroxyapatite (nHA) particles and micro-zirconia (ZrO2) particles that added with different volume fractions of (1%, 2% and 3%) to poly methyl methacrylate (PMMA) cold cured resin as new fluid resin as a matrix. Also woven glass fiber kind (E-glass) and woven Kevlar fiber kind (49), it were added with a fixed volume fraction of (5%) to PMMA composites. In this work the composite prosthetic dentures specimens preparation was done by using (Hand Lay-Up) method as six groups which includes: the first group consists of PMMA resin reinforced by nHA particles, the second group consists of PMMA resin reinforced by ZrO2 particles, the third group consists of (PMMA-nHA) and glass fiber layer as laminated composite , the fourth group consists of (PMMA-ZrO2) and glass fiber layer, the fifth group consists of (PMMA-nHA) and Kevlar fiber layer and the sixth group consists of (PMMA-ZrO2) and Kevlar fiber layer. The compression test result shows that the values of compression strength increased with increasing the volume fraction of (nHA and ZrO2) particles for all groups’ specimens. And the results showed the (PMMA-ZrO2) composite has greater values for compression strength. As well as the results shows that the maximum value of compression strength for hybrid laminated composite is obtained in hybrid laminated composite materials for fourth groups’ specimens (PMMA-ZrO2-5% Glass Fiber). Whereas the values of fatigue strength of hybrid laminated composite (PMMA-5% Kevlar fiber-3% nHA), it was higher than the fatigue strength of hybrid laminated composite (PMMA-5% Glass fiber-3% nHA) and the base material (Pure PMMA). The fatigue strength values at (106) loading Cycle for these specimens were (52, 38 and 15 MPa) respectively.
Keywords
Composite Materials, PMMA, H.A Particles, ZrO2 Particles, Glass Fibers, Kevlar Fibers, Fatigue Strength, Compression Strength
To cite this article
Sihama Issa Salih, Jawad Kadhum Oleiwi, Qahtan Adnan Hamad, Investigation of Fatigue and Compression Strength for the PMMA Reinforced by Different System for Denture Applications, International Journal of Biomedical Materials Research. Vol. 3, No. 1, 2015, pp. 5-13. doi: 10.11648/j.ijbmr.20150301.13
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