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Three-point bending test simulation on implant fpds with a bio-faithful model
V Vertucci1, M Montani1, C Arcuri2
1PHD Material for Health, Environment and Energy, University of Rome "Tor Vergata", Rome, Italy.
ORAL & Implantology
|August 1, 2017
Summary
Mandible flexes during jaw movements, impacting implant-supported fixed partial dentures. A new bio-faithful model simulates these movements to better understand strain and improve dental implant treatment outcomes.
Area of Science:
- Biomechanics
- Dental Implantology
- Prosthodontics
Background:
- Mandibular flexibility during jaw movements is a known phenomenon.
- Implant-supported fixed partial dentures (FPDs) may restrict these movements, potentially causing strain and affecting treatment success.
Purpose of the Study:
- To develop a bio-faithful model simulating mandibular movements.
- To analyze strain accumulation in FPDs during simulated jaw movements.
- To improve the accuracy of in vitro testing for dental prostheses.
Main Methods:
- A mandible test simulator was constructed based on anatomical measurements.
- Two osteointegrated implants were embedded in a resin mandible section (Kennedy Class II configuration).
- Three-point bending mechanical tests were performed using a universal testing machine.
Main Results:
- The study aimed to create a model that avoids non-flexible metal bases for bio-faithful simulation.
- The methodology focused on replicating in vivo conditions for in vitro testing.
Conclusions:
- The oral cavity is a bio-dynamic system requiring experimental conditions that simulate the clinical environment.
- A bio-faithful model can help correlate in vitro failure mechanisms with clinical observations.
- This approach may reduce discrepancies between in vitro and in vivo study results.
