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Updated: May 15, 2026
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Published on: March 7, 2014
Biomechanical considerations on tooth-implant supported fixed partial dentures
Konstantinos X Michalakis1, Pasquale Calvani, Hiroshi Hirayama
1Division of Removable Prosthodontics, Department of Prosthodontics, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki, Greece ; Division of Graduate and Postgraduate Prosthodontics, Department of Prosthodontics and Operative Dentistry, Tufts University School of Dental Medicine, Boston, MA, USA.
Tooth intrusion, a complication in dental implant restorations, affects up to 7.3% of cases. This study explores the biomechanical factors contributing to this issue in teeth- and implant-supported fixed partial dentures.
Area of Science:
- Dental Implantology
- Biomechanics
- Prosthodontics
Background:
- Restoring partial edentulism often involves connecting natural teeth to dental implants.
- This combined approach can lead to complications, notably tooth intrusion.
Purpose of the Study:
- To investigate the biomechanical factors contributing to tooth intrusion when teeth are connected to implants.
- To understand the role of the periodontal ligament and bone in this complication.
Main Methods:
- Biomechanical analysis of the connection between natural teeth and dental implants.
- Examination of the forces acting on the periodontal ligament and alveolar bone.
- Evaluation of teeth- and implant-supported fixed partial dentures.
Main Results:
- Tooth intrusion is a recognized complication in up to 7.3% of cases involving teeth connected to implants.
- Biomechanical principles are proposed to explain the occurrence of tooth intrusion.
Conclusions:
- Understanding the biomechanics of the periodontal ligament, bone, and prosthetic structures is crucial for preventing tooth intrusion.
- Further research into biomechanical solutions may reduce the incidence of this complication in implant-supported restorations.