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。
It is an ideal equipment for maintenance, care, tyre-changing and the comprehensive test, check and adjustment of each positioning parameter of the front wheels of all sorts of autos.
是各种汽车维修、保养、更换轮胎及对前轮各定位参数的综合测试、检查和调整的理想设备。
It is an ideal equipment for maintenance, care, tyre-changing and the comprehensive test, check and adjustment of each positioning parameter of the front wheels of all sorts of autos.
是各种汽车维修、保养、更换轮胎及对前轮各定位参数的综合测试、检查和调整的理想设备。
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