华西口腔医学杂志

• 临床研究 • 上一篇    下一篇

根管残余细菌对根管治疗预后的影响

何金梅,边专,樊明文,范兵   

  1. 武汉大学口腔医院 牙体牙髓科,湖北 武汉430079
  • 收稿日期:2004-06-25 修回日期:2004-06-25 出版日期:2004-06-20 发布日期:2004-06-20
  • 通讯作者: 边专,Tel:027-87646337
  • 作者简介:何金梅(1972-),女,河南人,主治医师,硕士

The Effect of Left Bacteria in the Root Canal on Prognosis of the Root Canal Therapy

HEJin-mei, BIANZhuan, FAN Ming-wen, FANBing   

  1. Dept. ofDentistry and Endodontics, the College ofStomatology, Wuhan University, Wuhan430079, China
  • Received:2004-06-25 Revised:2004-06-25 Online:2004-06-20 Published:2004-06-20

摘要:

目的 探讨根管预备后残留细菌对根管治疗预后的影响。方法 选取50颗患慢性根尖周炎的单根管牙,分为实验组和对照组。实验组21颗患牙采用逐步后退法及超声冲洗预备根管,根管预备后取样做细菌培养, 立即充填根管,一次性完成根管治疗。对照组采用常规根管治疗方法治疗。根管治疗后6个月、1年及2年复查。结果 ①两组患牙根管治疗预后无明显差异。②实验组患牙根管预备后残余细菌与根管治疗预后无明显关系。 ③患牙术后疼痛与根充情况和术前症状无明显关系。结论 近期观察见经过彻底的根管预备,根管内微量残余细菌对根管治疗预后无明显影响。

关键词: 细菌, 根管治疗, Dentsply热塑载体牙胶尖

Abstract:

Objective To study the effect of the left bacteria on the root canal therapy.Methods 50 single-rooted teethwith chronic apical periodontitis were divided into two groups, one was instrumented with step-back technique and 2.5%NaOCl ultra- sonic irrigation for 3 min, then filled with Thermafil.Samples were taken after instrumentation to culture. The other was treated with traditional RCT at three visits.Results In 24 months the apical radiolucency were greatly reduced in all cases. There weren′t significant relationship among the postoperative pain and the left bacteria, the degree of the obturation or the pre-operative symptoms (P>0.05).Conclusion The effect of left bacteria in root canal filled with Thermafil wasn′t observed.

Key words: bacteria, root canal therapy, Thermafil