【摘要】 目的用空管药物消毒根管观察其效果。方法随机选择牙髓坏死,急、慢性根尖周炎,需要根管治疗的50例患者共50颗患牙,于根管口暂封空管药物。分别在封药前后从根管内采集细菌标本进行细菌培养鉴定。结果从根管内采集并培养细菌,封药前,根管内细菌检出率为100%;封药1周,根管内细菌检出率仅为4%。结论根管口暂封空管药物可有效杀死根管内细菌,达到根管消毒目的。更多还原

【Abstract】 Objective To observe the clinical disinfection effect of root canal with non-filling medication.Methods 50 patients who required root canal therapy for apical period(acute or chronic) or pulp necrosis were involved in the study.Non-filling medication on the root canals were taken bacteria from the root canals were collected and cultured before and after the treatment.Results Bacteria were detected in every specimen,which were mixture of aerobes and anaerobes.One week later,only two strain were detected in two specimen.Conclusion Non-filling medication can be used as an effective disinfection to sterilize root canal.更多还原