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Temperature changes along a dental implant
Zaheed Patel1, Greta A V M Geerts
1Department of Restorative Dentistry, University of the Western Cape, Tygerberg, South Africa.
The International Journal of Prosthodontics
|January 7, 2011
Summary
Dental implant abutment temperature significantly impacts the implant surface temperature. An abutment temperature of 62.3°C carries a 50% risk of reaching the critical 47°C/1 min threshold on the implant.
Area of Science:
- Dental Implantology
- Biomaterials Science
- Thermal Analysis
Background:
- Elevated temperatures can negatively affect peri-implant tissues and implant osseointegration.
- Understanding heat transfer from abutment to implant is crucial for clinical safety.
Purpose of the Study:
- To analyze temperature changes on dental implant surfaces.
- To determine the specific abutment temperature that risks reaching the critical 47°C/1 min threshold at the implant level.
Main Methods:
- An in vitro model with thermocouples at 1-mm intervals on an abutment/implant configuration.
- Exposure of the abutment to hot water (52.80°C–71.72°C) in a controlled environment.
- Statistical analysis using Spearman correlation and logistic regression to estimate the effective dose 50 (ED50).
Main Results:
- A positive correlation was found between abutment and implant temperatures.
- The 47°C/1 min threshold was reached most frequently at the cervical implant level.
- The estimated ED50 for the abutment temperature was 62.3°C.
Conclusions:
- Abutment temperature is effectively transmitted to the dental implant.
- Clinicians should be aware of potential thermal risks associated with abutment temperatures.
- Further in vitro research is needed to fully interpret clinical implications.
