Volume 8, Issue 4 (lasers in medicine 2012)
lmj 2012, 8(4): 25-31 |
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Analytical Consideration of Temperature Distribution Function into the Tooth as Two-Layer Model Including Enamel and Dentin. lmj 2012; 8 (4) :25-31
URL: http://icml.ir/article-1-234-en.html
URL: http://icml.ir/article-1-234-en.html
Abstract: (11522 Views)
Background: In this article, we consider tooth as two-layer model by including the enamel and dentin. We solve heat conduction equation in them and obtain its analytical solution and study temperature distribution function, when Er:YAG laser incident on them.
Material and Methods: By concerning heat constants of the enamel and dentin, we plot temperature distribution function and discuss them.
Results: By drawing the diagram in different cases, we find out when a beam of laser irradiates on a tooth as two-layer, the temperature approaches to zero in the depth of dentin very fast, but the maximum variation of the temperature is 34 degrees of Celsius.
Conclusion: This variation of temperature is such that it cannot disturb and carbonized enamel and dentin. So, Er:YAG pulsed laser irradiant is confidence and it will not lead to disturbance of enamel and dentin.
Material and Methods: By concerning heat constants of the enamel and dentin, we plot temperature distribution function and discuss them.
Results: By drawing the diagram in different cases, we find out when a beam of laser irradiates on a tooth as two-layer, the temperature approaches to zero in the depth of dentin very fast, but the maximum variation of the temperature is 34 degrees of Celsius.
Conclusion: This variation of temperature is such that it cannot disturb and carbonized enamel and dentin. So, Er:YAG pulsed laser irradiant is confidence and it will not lead to disturbance of enamel and dentin.
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