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Temperature rise produced by various visible light generators through dentinal barriers.
The Journal of Prosthetic Dentistry
|April 1, 1988
Summary
This study compared heat generated by seven light-curing units. The Translux unit produced the least temperature elevation, showing significant differences in heat output among dental curing devices.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
Background:
- Light-curing units (LCUs) are essential in dental restorations.
- Heat generation by LCUs can affect pulp tissue and restoration integrity.
- Variability in LCU performance necessitates comparative studies.
Purpose of the Study:
- To evaluate and compare the heat generated by seven different brands of light-curing units.
- To quantify temperature elevation at multiple depths within dentin.
Main Methods:
- Seven brands of light-curing units were tested.
- Temperature elevation was measured using a digital thermocouple-thermometer.
- A needle probe was placed at three distinct locations within dentin.
Main Results:
- Significant differences in temperature rise were observed among the tested LCUs.
- The Translux unit consistently produced the least temperature elevation across all probe locations.
- Other units exhibited varying degrees of heat generation.
Conclusions:
- LCU performance regarding heat generation varies considerably between brands.
- The Translux unit demonstrated superior thermal management compared to other tested units.
- Dentists should consider LCU heat output when selecting devices for clinical use.