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KMID : 0362320110360010019
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Journal of Korean Academy of Operative Dentistry
2011 Volume.36 No. 1 p.19 ~ p.25
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A retrospective study of the intentionally replanted mandibular second molars with C-shaped root canal configurations
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Shon Won-Jun
Kum Kee-Yeon
Baek Seung-Ho
Lee Woo-Cheol
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Abstract
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Objectives: The purpose of this retrospective study was to evaluate the success rate of intentionally replanted mandibular second molar with C-shaped canal configurations and to access the impact of preoperative periapical lesion on the success of intentional replantation procedure.
Materials and Methods: This retrospective chart review study evaluated 52 intentionally replanted mandibular second molar teeth treated at Seoul National University Dental Hospital Department of Conservative Dentistry from January 2005 to December 2007. Seventeen teeth were lost for the follow-up, and another 6 teeth did not meet inclusion criteria of C-shaped root canal configurations. Healing outcome such as success, uncertain healing, and failure after follow-up was evaluated by clinical criteria and radiographs.
Results: The overall success rate was 72.4% for the 29 intentionally replanted C-shaped mandibular second molars. The success rate of replanted teeth with preoperative periapical lesions was similar to that of replanted teeth which have no periapical lesions.
Conclusions: Therefore, root canal treatment failure on C-shaped mandibular second molar can be predictably treated by intentional replantation regardless of the presence of periapical lesion.
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KEYWORD
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C-shaped root canal, Intentional replantation, Mandibular second molar, Preoperative periapical lesions, Success rate
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