对成人牙周炎的治疗常采用抗菌药物以减少菌斑细菌,洗必太是其中较有效的药物之一。但由于全身用药的局限性,致使有研究直接将抗菌药物置入牙周袋,且该药物在局部可产生缓释作用而药效持久的作用。本研究对成人牙周炎经过刮治和根面平整后,将生物降解性洗必太药条局部应用与传统方法和安慰剂进行比较。 Treatment of adult periodontitis often use antimicrobial drugs to reduce plaque bacteria, chlorhexidine is one of the more effective drugs. However, due to the limitations of systemic medication, there is a direct study of antimicrobial drugs placed in the periodontal pocket, and the drug can produce sustained release in the local and long-lasting effect. In this study, the local application of biodegradable chlorhexidine was compared with the traditional method and placebo after scraping and rooting of adult periodontitis.