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ORIGINAL ARTICLE
Year : 2020  |  Volume : 10  |  Issue : 1  |  Page : 51-55

External root surface temperature changes during high-temperature injectable thermoplasticized root canal obturation in simulated immature teeth


1 Department of Conservative Dentistry and Endodontics, SGT Dental College, Gurgaon, Haryana, India
2 Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India
3 Private Practitioner, Dentsitry Redefined, New Delhi, India

Correspondence Address:
Dr. Vivek Aggarwal
Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Jamia Millia Islamia, New Delhi - 110 024
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/sej.sej_61_19

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Introduction: The present study evaluated the change in the temperature of the external root surface of simulated immature teeth obturated with high-temperature injectable thermoplasticized gutta-percha. Materials and Methods: Root canals of 60 mandibular premolars were enlarged till size # 6 peeso freely passed through the apex. After placement of an apical barrier of 4 mm of mineral trioxide aggregate (MTA), two K-type thermocouples were attached at middle and apical thirds. The canals were obturated using high-temperature injectable thermoplasticized gutta-percha with either no sealer; AH plus sealer; or MTA Fillapex sealer. Maximum temperature rise was measured and evaluated. The data were analyzed using two-way ANOVA test. Results: The temperature increased after 4 s of placement of heated gutta-percha. There was no significant effect of sealer placement on the peak rise in temperature at the middle third (P < 0.05). There was no difference between the AH plus and MTA Fillapex groups (P = 0.42). Conclusions: The use of thermoplasticized gutta-percha can significantly increase the temperatures on the external root surface.


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