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作者旨在研究:1.类杆菌种在人牙感染根管中的检出率,2.分离的类杆菌种的表型特征分类,3.不同类杆菌种感染的病例行根管治疗的预后,4.青霉素治疗的作用。研究对象为57名成人根尖周炎患者的62只单根管单根牙。纳入条件是:近3月内未用过抗菌素,牙周袋不超过4 mm,患牙未作过根管治疗,根管未受唾液污染,无全身病和对青霉素不过敏。根管治疗程序为:第一次,长规测长并制备根管,生理盐水冲洗根管,封入氢氧化钙糊剂;第二次,一周后,用生理盐水冲洗根
The aim of the study was to examine: 1. the detection rate of Bacteroidetes in human tooth-infected root canals, 2. the phenotypic characterization of the isolated Bacteroides species, 3. the prognosis of endotoxin-treated patients with different Bacteroides species infections 4. The role of penicillin treatment. The study consisted of 62 single-rooted single-rooted teeth in 57 adult patients with periapical periodontitis. Inclusion conditions are: no antibiotics have been used in the recent 3 months, no more than 4 mm periodontal pockets, no root canal treatment of teeth, no saliva contamination of the root canal, no systemic disease and no allergy to penicillin. The root canal treatment procedure is as follows: for the first time, measure the length of the root canal and prepare the root canal, rinse the root canal with saline, and enclose the calcium hydroxide paste; and second, after one week, rinse the root with saline