应用水激光和超声进行根管消毒的效果评价

doi:10.19439/j.sjos.2017.03.018

上海口腔医学 ›› 2017, Vol. 26 ›› Issue (3): 314-316.doi: 10.19439/j.sjos.2017.03.018

应用水激光和超声进行根管消毒的效果评价

陆春慧, 钟群

上海市口腔病防治院·上海市口腔医院永嘉路门诊部,上海 200031

收稿日期:2016-12-09 修回日期:2017-03-10 出版日期:2017-06-25 发布日期:2017-07-05
通讯作者: 钟群,E-mail：zhongqun681115@qq.com
作者简介:陆春慧（1979-）,女,硕士,主治医师,E-mail: ntluts@aliyun.com

Comparison of antimicrobial activity of Er,Cr: YSGG laser and ultrasonic irrigation in root canal disinfection

LU Chun-hui, ZHONG Qun

Yongjia Dental Clinic, Shanghai Stomatological Hospital. Shanghai 200031, China

Received:2016-12-09 Revised:2017-03-10 Online:2017-06-25 Published:2017-07-05

摘要/Abstract

摘要： 目的比较水激光和超声在根管消毒方面的杀菌效果,为临床应用提供理论依据。方法选择慢性根尖周炎患者60例,随机均分为3组,分别采用常规机械预备和冲洗（对照组）、常规机械预备后用水激光消毒处理（水激光组）、常规机械预备后超声荡洗根管（超声组）。用纸尖法提取根管根尖1/3的样本,用BHI培养液10倍系列稀释,分别取50 μL 接种于BHI血琼脂平板培养基中,37℃厌氧（80% N₂,10% H₂和10% CO₂）培养24 h后计数菌落。应用SPSS19.0软件包进行单因素方差分析,比较3组病例根管预备前、后的细菌数量变化,评价三者的根管消毒效果。结果3组在根管预备前的细菌数量无显著差异,根管预备后3组的细菌数量均有明显减少,具有显著差异。水激光组和超声组预备后的细菌数量减少显著大于对照组（P<0.05）,水激光组和超声组之间无显著差异（P>0.05）。结论经根管预备后根管内的细菌数量明显减少,应用水激光或超声后细菌减少更明显,应用水激光或超声可以增加根管的消毒效果。

关键词: 水激光, 超声, 根管消毒, 杀菌效果

Abstract: PURPOSE: The aim of this study was to compare the antimicrobial activity of Er,Cr:YSGG laser and ultrasonic irrigation in root canal disinfection. METHODS: Sixty decayed teeth requiring root canal therapy were divided into 3 groups randomly: Er,Cr:YSGG laser group, ultrasonic irrigation group and control group, 20 in each group. The bacteria in each group were incubated and counted before and after root canal treatment. Statistical analysis was performed using SPSS 19.0 software package. RESULTS: In the 3 groups, the number of bacteria in root canals was reduced significantly after root canal treatment (P<0.05). The number of bacteria in Er,Cr:YSGG laser group and ultrasonic irrigation group decreased significantly greater than the control group (P<0.05), but the Er,Cr:YSGG laser group and ultrasonic irrigation group had no significant difference(P>0.05). CONCLUSIONS: After root canal treatment, the number of bacteria in the root canal is obviously reduced. The antimicrobial activity of three intercanal methods on bacteria in root canals is profound. The reduction of bacteria is more obvious after treatment of Er,Cr:YSGG laser and ultrasonic irrigation than the control.

Key words: Er,Cr:YSGG laser, Ultrasonic irrigation, Root canal disinfection, Antimicrobial activity

中图分类号:

R781.4

陆春慧, 钟群. 应用水激光和超声进行根管消毒的效果评价[J]. 上海口腔医学, 2017, 26(3): 314-316.

LU Chun-hui, ZHONG Qun. Comparison of antimicrobial activity of Er,Cr: YSGG laser and ultrasonic irrigation in root canal disinfection[J]. Shanghai Journal of Stomatology, 2017, 26(3): 314-316.

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应用水激光和超声进行根管消毒的效果评价

Comparison of antimicrobial activity of Er,Cr: YSGG laser and ultrasonic irrigation in root canal disinfection

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