摘要: Abstract The temperature changes occurring in the dentine of extracted sound teeth, consequent on application a thermal stimulus to tooth surface, have been measured. Such were compared with those calculated from mathematical theory heat conduction, considering be two component composite medium. conformity between experiment and was found good, indicating typical diffusivity values for enamel 4.2 × 10−3 cm2 sec−1 2.6 respectively, accord published data conductivity specific heat, density these materials. extent validity has discussed.
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