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Tooth intrusion in implant-assisted prostheses
1School of Dentistry, University of Southern California, Los Angeles, USA.
The Journal of Prosthetic Dentistry
|January 1, 1997
Summary
Natural tooth abutment intrusion, previously thought irreversible, may be reversible. This study reviews literature and patient cases suggesting new theories and methods for reversing tooth intrusion caused by implant-connected fixed partial dentures.
Area of Science:
- Dental Implantology
- Orthodontics
- Prosthodontics
Background:
- Natural tooth abutment intrusion is a known complication of implant-connected fixed partial dentures.
- Previous theories attributed intrusion to multifactorial causes like disuse atrophy and mechanical binding, deeming it irreversible.
Purpose of the Study:
- To discuss limitations of current theories on tooth intrusion.
- To review patient cases demonstrating reversal of tooth intrusion.
- To explore current literature and theories on tooth movement and intrusion reversal.
Main Methods:
- Literature review on tooth intrusion and movement.
- Analysis of case reports detailing tooth intrusion reversal.
- Discussion of experimental procedures and results related to tooth movement.
Main Results:
- Identified limitations in existing theories regarding tooth intrusion.
- Presented patient cases illustrating successful reversal of tooth intrusion.
- Reviewed current understanding of tooth movement in response to mechanical stimuli.
Conclusions:
- The irreversibility of natural tooth abutment intrusion may be a misconception.
- Further research into dynamic mechanical stimuli and experimental procedures is recommended for understanding and reversing tooth intrusion.