Methods: 22 patients with chronic periodontitis were enrolled in a 9-month maintenance care program after non-surgical periodontal therapy.
方法：对牙周非手术基础治疗后进入维护治疗期的22名慢性牙周炎患者进行9个月的纵向观察。
After years of practice, it was confirmed that subgingival scaling was an effective non-surgical periodontal therapy. In early, subgingival sealing was practiced with manual sealing.
经过多年的实践证实龈下刮治是一种有效的牙周非手术治疗方法，早期的龈下刮治主要是用手工刮治器。
Objective To observe the effect of cigarette smoking on periodontal healing following non-surgical therapy.
目的了解吸烟对牙周炎非手术治疗效果的影响。
Objective To observe the effect of cigarette smoking on periodontal healing following non-surgical therapy.
目的了解吸烟对牙周炎非手术治疗效果的影响。
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