Effect of Al2O3/ZrO2 Hybrid on the Fracture Toughness and Flexural Properties of PMMA Denture Base


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The investigation of ceramic filler on the properties of denture base materials made from PMMA filled with Al2O3/ZrO2 was carried out. The amount of Al2O3/ZrO2 filler was fixed at 5 wt%. However, the ratios of Al2O3 to ZrO2 added were varied from 0 to 100. Samples were prepared for fracture toughness and flexural test. The findings were analyzed using scanning electron microscopy (SEM). The findings were recorded that the Al2O3/ZrO2 ratios show higher fracture toughness and flexural properties than PMMA matrix. SEM micrographs indicate that distribution of Al2O3 and ZrO2 in the PMMA matrix is fairly homogeneous. The mixing method was good between reinforcement particles and PMMA matrix. Therefore, addition of six ratios of Al2O3/ZrO2 with PMMA and this mixture is able to improve the mechanical properties of this denture base material.



Edited by:

Zainal Arifin Ahmad, Muhd Ambar Yarmo, Fauziah Haji Abdul Aziz, Dr. Meor Yusoff Meor Sulaiman, Badrol Ahmad, Khairul Nizar Ismail, Nik Akmar Rejab




A. O. Alhareb and Z. A. Ahmad, "Effect of Al2O3/ZrO2 Hybrid on the Fracture Toughness and Flexural Properties of PMMA Denture Base", Advanced Materials Research, Vol. 173, pp. 18-23, 2011

Online since:

December 2010




[1] S. Hussain: Textbook of Dental Materials (Jaypee Brothers Medical Publishers, India 2004).

[2] W.L. Tham, W.S. Chow and Z.A.M. Ishak: Journal of Reinforced Plastics and Composites doi: 10. 1177/0731684409344899 (2009), p.1.

[3] T.R. Meng and M.A. Latta: Journal of contemporary Dental Practice Vol. 6(4) (2005), p.1.

[4] G. Uzun and N. Hersek: Journal of Biomaterials Applications Vol. 17 (1) (2002), p.19.

[5] M. Vojdani and A.A.R. Khaledi: Journal of dentistry Vol. 3(4) (2006), p.167.

[6] N.W. Elshereksi, S. H Mohamed, A. Arifin and Z.A.M. Ishak. Journal of Physical Science Vol. 20(2) (2009), p.1.

[7] W.S. Chow, H. K . Tay, A. Azlan and Z. A M. Ishak. Proceedings of the Polymer Processing Society 24th Annual Meeting Salerno (Italy) PPS 24 June (2008), 15-19. 7, Med J Malaysia. 2004 May; 59 Suppl B: 25-6.

[8] W. S. Chow, L. Y. A Khim, A. Azlan and Z. A M. Ishak. Journal of Reinforced Plastics and Composites doi: 10. 1177/0731684407086506 (2008) p.1.

[9] N. M. Ayad, M. F. Badawi and A. A. Fatah. Rev Clὶn Pesq Odontol. set/dez; Vol. 4(3): (2008), p.145.

[10] A. E. Ellakwa, M. A. Morsy and A. M. El-Sheikh., Journal of Prosthodontics. Vol. 17 (6): (2008), p.439.

[11] R. V. Mangalarja, B. k Chandrasekhar and P Manohar: Journal of materials Science and engineering. A343. (2003), p.71.

[12] X. Liang, Y. Qiu, S. Zhou, X. Hu, G Yu and X. Deng. Journal of University of Science and Technology, Vol 15 (6) (2008), p.764.

[13] A. K. Gain, H Song and B. Lee. Scripta Materialia. Vol 54 (2006), p. (2081).

[14] C. A Fortulan and D. P. F. de Souza. Journal of Material Research. Vol 2 (3) (1999), p.205.

[15] A Marti. Injury , Int . J . Care Injured. Vol 31 (2000): S-D33-36.

[16] C. Santos, R.C. Souza, J.K.M.F. Daguano, C. N Elias and S.O. Rogero. 51°congresso brasileiro de cerȃmica . 3 a6 de jundo de (2007) -Bohia Othon Place Hotel-Salvador, BA.

[17] P. F. Manicone, P. R Iommetti and L. Raffaelli. Journal of Dentistry. Vol 35 (2007), p.819.

[18] H.H.K. Xu, T.A. Marti. 0n, J.M. Antonucci and F.C. Journal of Dental Research. Vol 78(2) (1999), p.706.

[19] T. N. Polat, ȍ. Karacaer, A. Tezvergil, L. V. J. Lassila and P. K. Vallittu. Journal of biomaterials applications. Vol 17 (2003), p.321.

[20] K. K. Narva, L.V. J. Lassila and P. K. Vallitta. Journal Dental Materials. Vol 21 (2005), P 421.

[21] E. D. Bonilla, E.D. Yashar and A. A. Caputto. Journal of prosthodonic dentistry, Vol. 89 (3): (2003), p.261.