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[Effects of microwave power on temperature change in dental pulpal chamber in vitro]
He-Ming Gui1, Li-Juan Du, Jian-Ming Zhang
1Dept. of Oral Medicine, Stomatology Hospital of Foshan City, Foshan, China.
Objective:
To explore the effects of microwave powers on temperature changes of dental pulpal chamber in vitro.
Methods:
96 isolated teeth were prepared in three degrees of dental occlusal wear according to Smith BG's report. Temperature change values in dental pulpal chamber were recorded by thermometer (DM 6801A) while the different affect time and microwave powers acted directly and with 75% sodium fluoride glycerine paste on face of isolated teeth separately in room temperature.
Results:
The degree of temperature in dental pulpal chamber was going up follow the raising microwave power and prolonging time. The temperature in dental pulpal chamber with microwave acting sodium fluoride on dental occlusal was higher than acting directly dental occlusal.
Conclusion:
The microwave power, time and degree of dental occlusal wear are very important factors on temperature change in dental pulpal chamber in our study.
