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| Effect analysis of root canal therapy of MB2 in the maxillary first molar |
| HAO Zuoqi1 WU Bing2 LIU Baogang1 DING Wen3 YANG Lei4 WANG Xinhua1 YANG Fan5 |
1.Department of Stomatology, Lishilu Clinic, PLA Rocket Force General Hospital, Beijing 100820, China;
2.Department of Stomatology, Qinghe Clinic, PLA Rocket Force General Hospital, Beijing 100085, China;
3.Department of Internal Medicine, Lishilu Clinic, PLA Rocket Force General Hospital, Beijing 100820, China;
4.Department of Radiology, Lishilu Clinic, PLA Rocket Force General Hospital, Beijing 100820, China;
5.Department of Nursing, Lishilu Clinic, PLA Rocket Force General Hospital, Beijing 100820, China |
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Abstract Objective To investigate the clinical efficacy of treatment for the second root canal (MB2) in the maxillary first molar. Methods A total of 57 patients (57 teeth) with MB2 in the maxillary first molar treated in Department of Stomatology, Lishilu Clinic, PLA Rocket Force General Hospital from June 2010 to December 2015 were enrolled in this study. Before the operation X-ray film was used, and careful exploration and diagnosis of MB2 were necessary during the operation, then prepared and disinfected the root canal, filled the root canal using lateral pressure combined with sharp X-ray film. After the operation MB2 were filled in place according to X-ray film. Results 12 months after the review, the success rate was 89.47% with 51 successful teeth and 6 failed teeth. Conclusion X-ray film before and after the operation according to partial angle projection method combining careful exploration with root canal therapy completly during the operation will be useful to cure MB2 in the maxillary first molar.
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