上颌尖牙热充填效果的有限元分析

Finite element analysis of the effects of thermal obturation in maxillary canine teeth.

作者信息

Er Ozgür, Yaman Sis Darendeliler, Hasan Muvaffak

机构信息

Department of Restorative Dentistry and Endodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.

出版信息

Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007 Aug;104(2):277-86. doi: 10.1016/j.tripleo.2007.02.011.

DOI:10.1016/j.tripleo.2007.02.011

PMID:17630100

Abstract

OBJECTIVE

The purpose of the present study was to determine the distribution and level of temperature, in a model of a maxillary canine, the surrounding periodontal tissues, and the bones, during a System B heat obturation technique simulation.

STUDY DESIGN

The temperature distribution was determined by using a three-dimensional finite element analysis. The tooth was assumed to have undergone an endodontic treatment before the application. Heat applications of 200 degrees C and 100 degrees C were considered.

RESULTS

By using the virtual model and the simulation technique, the maximum temperature in the periodontal ligament was found to be 43.5 degrees C.

CONCLUSIONS

Within the assumptions and the limitations of the study, it was determined that the simulation of System B technique created no potentially harmful levels of temperature throughout the maxillary canine model.

摘要