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Temperature change in the pulp chamber during complete crown preparation
P D Laforgia1, V Milano, C Morea
1School of Graduate Studies, Universita degli Studi di Bari, Facolta di Medicina e Chirurgia, Bari, Italy.
The Journal of Prosthetic Dentistry
|January 1, 1991
Summary
Tooth preparation for crowns generates heat. Using an air-water spray coolant during dental procedures significantly reduces pulp chamber temperature compared to air-only cooling, protecting tooth vitality.
Area of Science:
- Dental materials science
- Conservative dentistry
- Biomaterials
Background:
- Tooth preparation for complete crowns is a common dental procedure.
- Elevated temperatures during preparation can cause irreversible pulp damage.
- Effective cooling methods are crucial for maintaining pulp vitality.
Purpose of the Study:
- To evaluate temperature changes in the pulp chamber during tooth preparation for complete crowns.
- To compare the efficacy of air-water spray versus air-only cooling.
- To assess the influence of specific diamond burs on temperature generation.
Main Methods:
- Twelve extracted human teeth (canines, premolars, molars) were used.
- Teeth were divided into two groups: air-water spray cooling and air-only cooling.
- Temperature changes in the pulp chamber were monitored during dentin preparation using TDA diamond stones.
Main Results:
- Air-water spray coolant significantly lowered pulp chamber temperature compared to air-only cooling.
- Minimal dentin reduction with air-water spray and cross-grooved TDA diamond stones yielded the lowest temperatures.
- Air-only coolant application consistently resulted in a temperature rise in the pulp chamber.
Conclusions:
- Air-water spray is a more effective coolant than air-only for minimizing heat during tooth preparation.
- Careful selection of burs and efficient cooling are vital for preventing pulpal injury.
- Maintaining low temperatures during crown preparation is essential for preserving pulp health.