科研之友
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摘要
The aim of this work is to evaluate thermal stress of Er: YAG laser radiation on enamel and dentin of the dental. The transient state heat conduction equation for pulse wave laser regime with energy of 100 mJ, 300 mJ and steady state heat conduction equation for CW regime with powers of 1 W, 5 W was solved analytically. Then, the thermally induced stress was investigated following the calculation of the temperature distribution. Using the thermo-mechanical characteristics of the dentin and the enamel, all components of stress were obtained. The thermal stress of Er: YAG laser radiation on the enamel and the dentin calculated in this work may be useful for clinical applications.
- 出版日期2014-2
