TITLE

Simulation of stress distribution in short dental implant with axial loading in cortical bone with different thickness

AUTHOR(S)
LEHMANN, Roberto Brunow; ELIAS, Carlos Nelson
PUB. DATE
October 2011
SOURCE
Revista Dental Press de Periodontia e Implantologia;oct-dec2011, Vol. 5 Issue 4, p46
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Objective: To evaluate the short implant behavior when inserted in cortical bone with different thickness. Methods: Simulations using the finite element method were performed with loading in short implant (5.7 x 5.0 mm) containing external hexagon. A total of 3 simulation models was used, one for each cortical bone thickness (1, 2, and 3 mm). Results: When the system was inserted into a cortical bone of greater thickness, there was a greater stability and, as a consequence, lesser stress to the implant and prosthetic components involved. Conclusions: Results obtained suggest that the short implant evaluated may be used for the different cortical bone thicknesses. Stress values obtained were always smaller than that required to induce plastic deformation of the implant or any component of prosthetic system. For cortical bone, stresses were smaller than the critical limit indicated by the literature for bone reabsorption
ACCESSION #
83239504

 

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