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Updated: Dec 21, 2025
An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
In vitro interface changes of two vs three narrow-diameter dental implants for screw-retained bar under fatigue
F Lorusso1, F Mastrangelo2, F Inchingolo3
1Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara.
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.
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