Mechanical behavior of anterior fixed partial dentures made of different materials subjected to static and dynamic loads


  • Federico Latorre-Correa Universidad de Antioquia
  • Nathaly Angel Universidad de Antioquia
  • Julio César Escobar-Restrepo Universidad de Antioquia
  • Junes Abdul Villarraga-Ossa Universidad Nacional de Colombia



Dental prostheses, Crowns, Ceramics, Finite element analysis


Introduction:  the purpose of this study was to assess the mechanical behavior of lithium disilicate, alumina, and zirconia-based ceramic restorations, as well as metal-ceramic restorations, under static and dynamic load, in an upper anterior fixed site. Methods: four models of fixed partial dentures (FPD) were designed, representing alumina, zirconia, and metal-ceramic two-layered systems and a lithium disilicate monolithic system, with a 9 mm2 connector. The variables included were elastic modulus, Poisson’s ratio, and ultimate tensile strength. A static load of 100 N was applied up to 800 N, as well as a dynamic load of 100 and 200 N, calculating von Mises stress and maximum and minimum principal stresses. Results: all models showed a greater concentration of stress under static and dynamic load on the connector region, without exceeding the maximum tensile stress of metal and ceramic structures. The two-layered models showed greater stress concentration on the veneering ceramic compared with the structure. Conclusions: all stresses concentrated on the connector region, producing failure risk at this point of the structures. The veneering ceramic has a greater probability of failure in all two-layered models. The disilicate model can be considered as an alternative for clinical use. The metal-ceramic dentures showed the best distribution on the connector compared to all other models, confirming that they are the gold standard.

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Author Biographies

Federico Latorre-Correa, Universidad de Antioquia

DMD, Specialist in Comprehensive Dentistry of the Adult, with an emphasis in Prosthodontics. Professor, School of Dentistry, Universidad de Antioquia

Nathaly Angel, Universidad de Antioquia

DMD, Specialist in Comprehensive Dentistry of the Adult, with an emphasis in Prosthodontics, School of Dentistry, Universidad de Antioquia.

Julio César Escobar-Restrepo, Universidad de Antioquia

DMD, Specialist in Comprehensive Dentistry of the Adult, with an emphasis in Prosthodontics. Assistant Professor, School of Dentistry, Universidad de Antioquia

Junes Abdul Villarraga-Ossa, Universidad Nacional de Colombia

Mechanical Engineer, Universidad Nacional de Colombia at Medellín. Master’s Degree in Mechanical Engineering, Universidad Simón Bolívar, Caracas, Venezuela. Ph.D. (C) in Science and Technology of Materials.


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How to Cite

Latorre-Correa, F., Angel, N., Escobar-Restrepo, J. C., & Villarraga-Ossa, J. A. (2017). Mechanical behavior of anterior fixed partial dentures made of different materials subjected to static and dynamic loads. Revista Facultad De Odontología Universidad De Antioquia, 29(1), 96–130.

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