In vitro interface changes of two vs three narrow-diameter dental implants for screw-retained bar under fatigue loading test

F. Lorusso; F. Mastrangelo; F. Inchingolo; C. Mortellaro; A. Scarano

doi:10.54517/jbrha6810

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In vitro interface changes of two vs three narrow-diameter dental implants for screw-retained bar under fatigue loading test

F. Lorusso, F. Mastrangelo, F. Inchingolo, C. Mortellaro, A. Scarano

Article ID: 6810
Vol 33, Issue 6S2, 2019

DOI: https://doi.org/10.54517/jbrha6810

Received: 8 January 2020; Accepted: 8 January 2020; Available online: 8 January 2020; Issue release: 8 January 2020

Abstract

The mechanical failure of a dental implant is clinically related to a prosthetic overload dissipated on the fixture/abutment complex. The aim of this investigation was to evaluate the fracture strength of two vs three narrow-diameter dental implant configurations for screw-retained bars. Different configurations of screw-retained bars on two narrow-diameter dental implants (Group I) and screw-retained bars on three narrow-diameter dental implants (Group II) were tested under a static fracture loading. A total of 20 specimens, 10 for each group were evaluated. The fracture loading point was significatively higher in Group I (p<0.05). The experimental groups reported high levels of fracture strength under loading that encourages the clinical application of screw-retained bars supported by multiple narrow-diameter implants

Keywords

mechanical loading;narrow implant;Bar-retained prosthesis

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