Objective To evaluate the clinical effects of one-shot and quadrant root planing on chronic periodontitis.
目的比较根面平整一次法和四分法治疗慢性牙周炎的临床疗效。
METHODS: 1453 teeth of 52 patients with chronic periodontitis were given scaling and root-planing procedures.
方法：对52例慢性牙周炎患者的1453颗牙进行龈下刮治及根面平整术，随访3个月。
METHODS: 1453 teeth of 52 patients with chronic periodontitis were given scaling and root-planing procedures.
方法：对52例慢性牙周炎患者的1453颗牙进行龈下刮治及根面平整术，随访3个月。
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