Sarria PP, González RJE, González SDR, Rodríguez MM, Rodríguez FR

Language: Spanish
References: 20
Page: 204-212
PDF size: 334.03 Kb.

ABSTRACT

Introduction: the load-supporting capacity of osseointegrated dental implants is significant depending on their loading condition and on the maxillae's bone quality.
Objective: to analyze the influence of the loading conditions of a single component dental implant with square thread on the stress distribution in a type IV quality bone.
Methods: a three-dimensional model of a human maxillary segment with a single component dental implant was designed. The Computer Assisted Design techniques were used for design together with the Finite Element Method to simulate its behavior. Three loading conditions of the implant dental were examined: axial, orallingual, mesiodistal and combined.
Results: the cortical bone-implant interface showed the highest equivalent stress values when evaluating the combined loading condition. On the other hand, in the trabecular bone-dental implant interface, the combined loading condition generated the highest equivalent stress values just in the lower part of the apical area and the lowest values in the proximal region to the cortical bone.
Conclusions: the stress distribution in the dental implant and in its interface within the cortical bone and the trabecular bone were shown in this study. The loading condition of the new single component dental implant has a significant effect on the levels of stress in the implant and in the cortical and trabecular bones located in the type IV osseous quality maxillae.

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