Cavalleri G, Cuzzolin L, Urbani G, Benoni G
Istituto di Farmacologia dell'Università di Verona, Policlinico Borgo Roma, Italy.
J Chemother. 1989 Apr;1(2):101-2. doi: 10.1080/1120009x.1989.11738873.
The changes in the pattern of bacteria in root canal after repeated washing with NaOCl and endodontic instrumentation were evaluated. Samples were obtained from the root canals of patients before and after endodontic instrumentation, and analyzed according to the usual microbiological techniques. Washing with NaOCl and endodontic instrumentation act against bacteria such as Peptostreptococci, Streptococcus sanguis, Actinomyces israelii, Proteus mirabilis, Bacteroides, whereas Streptococcus lactis and Aerococcus were present before and after endodontic instrumentation. Environmental conditions such as low pH could be responsible for the persistence of gram-positive bacteria. The use of topical treatment and the associated endodontic instrumentation seem useful in the eradication of some bacteria in the root canal.
评估了用次氯酸钠反复冲洗和进行根管治疗器械操作后根管内细菌模式的变化。在根管治疗器械操作前后从患者根管中获取样本，并按照常规微生物学技术进行分析。用次氯酸钠冲洗和根管治疗器械操作可对抗诸如消化链球菌、血链球菌、衣氏放线菌、奇异变形杆菌、拟杆菌等细菌，而乳酸链球菌和气球菌在根管治疗器械操作前后均存在。低pH等环境条件可能是革兰氏阳性菌持续存在的原因。局部治疗及相关的根管治疗器械操作似乎有助于根除根管内的某些细菌。
