Análisis fotoelástico descriptivo de dos diferentes diseños de implantes endoóseos sometidos a carga de compresión vertical

Abstract

The objective of this study was to analyze the subsequent tensions distribution generated in the photoelastic models after application 7.5 N vertical loads, in two different dental implant designs. It were selected two different configuration implants, being one conic (Másters Conect Cônico® 4.13×13 mm) and the other cylindrical (Titamax Ti Medula® 3.75×13 mm). For the analysis of the *tensions distribution it were made two photoelastic resin models with dimensions of 40×10 mm of base and 30 mm of height. Each implant was positioned in the model and received vertical loads to 7,5 N, being possible to visualize the isochromatic strips generated in it, through the polariscope. The Másters Conect Cônico® implants, that have long internal hexagon, polished cervical portion, top of spirals rounded, continuous passage of the spirals, distances between these of 0.5 tenth of millimeters, angled spirals and conical apex, presented the concentration of the tensions in the apical region. The cylindrical implants (Titamax Ti Medula® ) with external hexagon, polished cervi- cal portion, with top of the spirals in form of a “v”, continuous passage of spiral, with distance between the spirals of 0,5 tenth of millimeters, angled spirals and rounded apex, presented the distribution of the tensions on apical and cervical regions of the implants. Based on the results of this study it is possible to conclude that: the conical implants configuration concentrated the tensions in apical region, being the cylindrical configuration tensions concentrated on the apical and cervical region of the implants.