Temperature variation on root surface with three root-end cavity preparation techniques

Srpski arhiv za celokupno lekarstvo
Emre BodrumluNazife T Telcioglu

Abstract

Thermal changes can occur on the external root surface when root-end cavity preparation is performed, which may damage periodontal ligament cells and alveolar bone. The purpose of this study was to evaluate the temperature changes during preparation of the root-end cavities at 1 and 3 mm to the sectioned apical root surfaces when either tungsten carbide round bur, diamond round bur or ultrasonic diamond tip was used. Root-end resection was performed at 90 degrees to the long axis of the root, 3 mm from the apex. Specimens were randomly divided into three groups of 12 teeth each for three different root-end cavity preparation techniques to be used, i.e. tungsten carbide bur, diamond bur and ultrasonic diamond retro tip.Thermocouples were used to measure temperature changes at 1 mm (T1) and 3 mm (T2) to the cutting plane during the preparations. For T1, the lowest and the highest mean temperature increases of 3.53 degrees C and 4.34 degrees C were recorded for the carbide and diamond burs, respectively. For T2, the lowest and the highest mean temperature increases of 2.62 degrees C and 4.39 degrees C where recorded for the carbide and diamond burs, respectively. The mean temperatures with the ultrasonic tip were 3.68 and 3.04 deg...Continue Reading

Citations

Nov 28, 2020·Acta Odontologica Scandinavica·Ömer EkiciAli Keles

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