METHODS:45 adult periodontitis were treated by delivery divice of Tinidazole (TNZ). 15 patients were treated by the tablets of Tinidazole served as control group.

• 方法:应用替硝唑棒缓释剂治疗45例成人牙周炎患者,并以口服替硝片剂为对照组,进行对比研究,检测了治疗前后牙周炎的各项指数以及病变部位厌氧菌的变化。