TY - JOUR ID - TI - Elevation in surface temperature of root canals obturated with different thermoplasticized gutta-percha obturation techniques-an in vitro study AU - Samer Aun Thyab Al-Shimari سامر عون ذياب الشمري AU - Nassr Ezzulddin Al-Nuaimi نصر عزالدين النعيمي PY - 2014 VL - 26 IS - 1 SP - 67 EP - 70 JO - Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد SN - 18171869 23115270 AB - Background: Many studies have been conducted to evaluate the effect of using a hot material in the root canal and its potential for causing damage to the tooth supporting structure.Materials and methods: thirty permanent premolars were obturated with thermoplasticized Gutta-Percha using three different obturation techniques: soft core, Thermafil, and obtura to evaluate the rise in temperature on the root surface using a multipurpose digital thermometer.Results: temperature increases was significantly greater for Obtura versus Soft core (p<0.003), not significant for Thermafil versus Soft core (p<0.087), and Thermafil versus Obtura (p<0.125).Conclusions: temperatures rise on the root surface were below the critical level and, therefore, should not cause damage to the periodontal ligament

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