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Experimental study on strength evaluation applied for teeth extraction: an in vivo study.
Marco Cicciù1, Ennio Bramanti, Fabrizio Signorino
1Oral Surgery Medical Practitioner, Department of Human pathology, School of Dentistry, University of Messina School of Dentistry, ME, IT, USA.
The Open Dentistry Journal
|March 30, 2013
Summary
Tooth extraction force is not affected by jawbone density but by root shape. This study measured forces during orthodontic premolar extractions, revealing key biomechanical insights.
Area of Science:
- Orthodontics
- Biomedical Engineering
- Dental Mechanics
Background:
- Orthodontic treatment often requires premolar extraction.
- Understanding the biomechanics of tooth extraction is crucial for minimizing patient discomfort and optimizing outcomes.
Purpose of the Study:
- To analyze forces and movements during orthodontic premolar extraction.
- To determine if jawbone density influences extraction force.
- To investigate the role of root morphology in extraction mechanics.
Main Methods:
- An in-vivo study using strain gauges on dental pliers to measure forces.
- Recorded gripping, twisting, and traction movements during extraction.
- Utilized a computerized system and Microsoft Excel for data analysis.
Main Results:
- Quantified stress distribution on teeth during extraction.
- Demonstrated that bone density is not a significant factor in extraction force.
- Identified tooth root shape as a primary determinant of applied force.
Conclusions:
- Extraction force is primarily dictated by root anatomy, not bone quality.
- Findings provide valuable biomechanical data for orthodontic procedures.
