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The heat generated on the external root surface during post space preparation.

E M Saunders·W P Saunders
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Abstract

The heat generated on the external root surface of human premolar teeth during post space preparation was measured in vitro. The rise in temperature was recorded at a point 6 mm from the apex of the tooth using a thermocouple attached to a chart recorder. The temperature rise was greatest when the removal of gutta-percha was combined with post channel preparation. Temperature rises of up to 31 degrees C were recorded. Instruments that only removed gutta-percha did not generate the same amount of heat. The results from this study suggest that the use of engine-driven drills to prepare post channels in teeth may generate temperature rises that may cause periradicular tissue damage, and caution should be exercised during their use.

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CrownsDental Cavity PreparationDental InstrumentsGutta-PerchaHot TemperatureHumansPost and Core TechniqueJournal Article

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E M Saunders, W P Saunders. 1989. The heat generated on the external root surface during post space preparation.. https://doi.org/10.1111/j.1365-2591.1989.tb00919.x

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