Static behavior of a zirconia abutment subjected to artificial aging: finite element method


  • Nini Tatiana Suarez-B. Universidad de Antioquia
  • Julio César Escobar-Restrepo Universidad de Antioquia
  • Federico Latorre-Correa Universidad de Antioquia
  • Junes Abdul Villarraga-Ossa Universidad de Antioquia



Zirconia abutment, Zirconia aging, Static load, Finite element method


Introduction: some studies on the effect of zirconia aging mention a degree of reduction of zirconia’s fracture strength varying from 20 to 40%, while other authors argue that aging does not affect the material’s strength. The aim of this study was to evaluate the response of a zirconia abutment subjected to static loads and artificial aging using the finite element method (FEM). Methods: modeling of the Tapered ScrewVent implant and the zirconia Zimmer® abutment (Zimmer Dental1 900 Aston Avenue Carlsbad, CA 92008-7308 USA). Four models were designed: one with an implant of 3.7 mm in diameter and a 3.5 mm diameter abutment, another with an implant of 4.7 mm in diameter and a 4.5 mm diameter abutment, and other two with the same dimensions but changing the final fracture limit to 40%, analyzing the response of different components to specific loads. Results: models subjected to decreases in zirconia abutment fracture strength did not show zirconia differences in terms of von Mises values. A factor of safety allowed observing the working threshold of the zirconia abutment; failure occurred at values lower than 1. Conclusion: by modifying zirconia’s properties in order to simulate aging, the factor of safety decreases at values lower than 1. However, the applied forces under which the safety factor decreases are higher than normal masticatory forces.

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Author Biographies

Nini Tatiana Suarez-B., Universidad de Antioquia

DDM, Specialist in Comprehensive Dentistry of the Adult with a focus on Prosthodontics, School of Dentistry, Universidad de Antioquia.

Julio César Escobar-Restrepo, Universidad de Antioquia

DDM, Specialist with a focus on Prosthodontics, Associate Professor, School of Dentistry, Universidad de Antioquia, Medellín, Colombia

Federico Latorre-Correa, Universidad de Antioquia

DDM, Specialist with a focus on Prosthodontics, Professor, School of Dentistry, Universidad de Antioquia, Medellín, Colombia

Junes Abdul Villarraga-Ossa, Universidad de Antioquia

Mechanical Engineer, M.SC. in Mechanical Engineering, Professor, School of Mechanical Engineering, Universidad de Antioquia, Medellín, Colombia.


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How to Cite

Suarez-B., N. T., Escobar-Restrepo, J. C., Latorre-Correa, F., & Villarraga-Ossa, J. A. (2015). Static behavior of a zirconia abutment subjected to artificial aging: finite element method. Revista Facultad De Odontología Universidad De Antioquia, 27(1), 30–62.

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