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May 6, 2026Journal of Functional Biomaterials0 citationsOpen Access

Mechanical Fatigue in Titanium Dental Implants After Implantoplasty: An In Vitro Analysis

Mechanical Fatigue of Titanium Dental Implants After Implantoplasty: An In Vitro Study Combined with Finite Element Simulations

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Authors

EPEsteban Padullés-RoigPSPablo SevillaEVEugenio Velasco‐Ortega

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Overview

In vitro study reveals the impact of machining depth on fatigue limit of titanium implants, suggesting careful management during implantoplasty.

Key Points

  • The aim was to evaluate how machining depth during implantoplasty influences the mechanical behavior of titanium dental implants.
  • Evaluated 250 titanium dental implants with different machining depths: untreated, 0.2 mm, 0.4 mm, 0.6 mm.
  • Conducted finite element analysis to assess von Mises stress distribution and simulate fatigue behavior.
  • Validated numerical models with experimental fatigue testing using a servo-hydraulic MTS Bionix testing machine.
  • Untreated implants had a fatigue limit of 351 N, while limits for 0.2 mm, 0.4 mm, and 0.6 mm machined implants were 255 N, 301 N, and 185 N, respectively.
  • Maximum von Mises stresses occurred at the junction of the implant thread and body, impacting fatigue performance.
  • Fracture patterns varied with load, shifting from coronal regions to implant-abutment connections at lower loads.

Cite This Study

Padullés-Roig et al. (2026) studied this question.

synapsesocial.com/papers/69faa30204f884e66b53394ehttps://doi.org/10.3390/jfb17050221
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