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根管冲洗液和粘结剂对金属桩核粘固后根管微渗漏的影响 被引量:4

Effect of root canal irrigation solution and binder on the microleakage of the root canals with prefabricated metal post and cores
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摘要 目的分析采用不同根管冲洗液和粘结剂对粘固金属桩核后根管微渗漏的影响。方法收集2013年9月至2015年9月在我院口腔科就诊,由于正畸治疗需要拔除的下颌单根管前磨牙120颗,根据两因素析因设计方式,设根管冲洗液为A因素,分为3个类型,粘结剂为B因素,分为2个类型,AB两个因素进行随机重组,随机将120颗样本牙分为6组。计算每组根管冠方微渗漏量的差异。结果 6组样本均有明显根管微渗漏,Ⅳ组渗漏量最少[(1 025.77±458.32)μm],其次为Ⅰ组[(1191.64±408.25)μm]、Ⅱ组[(1 317.35±526.88)μm]、Ⅲ组[(1 428.76±478.93)μm]、Ⅴ组[(1 447.59±557.65)μm],而Ⅵ组微渗漏量最多[(1 923.04±669.47)μm]。Ⅲ组和Ⅳ组均采用3%H_2O_2+0.9%NaCl溶液冲洗,Ⅲ组渗漏量和Ⅳ组比较明显增多,差异有统计学意义(P<0.05);Ⅴ、Ⅵ组均采用15%EDTA+5.25%NaClO溶液冲洗,Ⅵ渗漏量明显多于Ⅴ组,差异均有统计学意义(P<0.05);Ⅱ、Ⅳ和Ⅵ组均采用玻璃离子水门汀粘固,Ⅵ渗漏量明显高于Ⅱ、Ⅳ组,差异均有统计学意义(P<0.05)。结论经过不同根管清洁液和桩核粘结剂处理后6组样本均发生明显微渗漏。采用3%H_2O_2+0.9%Na Cl溶液对根管进行冲洗并联合玻璃离子水门汀粘固可在一定程度上减少微渗漏的发生,采用15%EDTA+5.25%Na Cl O溶液对根管进行冲洗并联合玻璃离子水门汀粘固可在一定程度上加重微渗漏的发生。 Objective To analyze the effect of different root canal irrigation and binder on the microleakage of root canals with prefabricated metal post and cores. Methods From September 2013 to September 2015, 120 single-canal mandibular premolars needed extraction due to orthodontic treatment in Department of Stomatology of our hospital were collected. According to two-factor analysis design, root canal irrigation solution was set as A factor(with three types), and binder was set as B factor(with two types). The two factors were given random recombination, and the 120 teeth were divided into 6 groups randomly. The differences in microleakage of root canals of each group were calculated.Results The six groups all showed obvious microleakage, and microleakage in group Ⅳ was the least, with(1 025.77±458.32) μm, followed by group Ⅰ of(1 191.64±408.25) μm, group Ⅱ of(1 317.35±526.88) μm, group Ⅲ of(1 428.76±478.93) μ m, group Ⅴ of(1 447.59 ± 557.65) μ m, and group Ⅵ of(1 923.04 ± 669.47) μ m. Group Ⅲ and group Ⅳ received flushing by solution of 3% H_2O_2+0.9% Na Cl, and the leakage in group Ⅲ was significantly increased compared with that of group Ⅳ(P0.05). Group Ⅴ and Ⅵ received flushing by 15% EDTA + 5.25% Na Cl O, and the leakage in group Ⅵ was significantly increased compared with that of group Ⅴ(P0.05). Group Ⅱ, group Ⅳ and Ⅵ were all treated by glass ionomer cement, and the leakage in group Ⅵ was significantly more than that in group Ⅱ, Ⅳ(P0.05).Conclusion After the treatment with different root canal irrigation and binder, the 6 groups of samples all showed mcroleakage. Flushing with 3%H_2O_2+0.9%Na Cl and application of glass ionomer cement can reduce microleakage in a certain extent. Flushing with 15%EDTA+5.25%Na Cl O and application of glass ionomer cement can increase microleakage in a certain extent.
作者 邹红 赵燕 刘梦娜 金鑫 李启丹 余小红 王静 汤春雪 ZOU Hong ZHAO Yah LIU Meng-na JIN Xin LI Oi-dan YU Xiao-hong WANG Jing TANG Chun-xue.(Department of Prosthodonties, Oral Branch of Chongqing Sanxia Central Hospital, Chongqing 404000, CHIN)
出处 《海南医学》 CAS 2017年第1期76-79,共4页 Hainan Medical Journal
关键词 根管 冲洗液 玻璃离子水门汀 微渗漏 Root canals Irrigation solution Glass ionomer cement Microleakage
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