陈星羽 薛雅琴 刘 玉

    [關键词]激光;牙周炎;牙龈;牙菌斑;牙周袋

    [中图分类号]R781.4+2? ? [文献标志码]A? ? [文章编号]1008-6455(2021)12-0136-04

    Clinical Effect of Er：YAG Laser on Periodontitis and Its Effect on Periodontal Index and Inflammatory Factors

    CHEN Xing-yu，XUE Ya-qin，LIU Yu

    (Department of Senior Expert Diagnosis and Treatment， Nanjing Stomatological Hospital，Medical School of Nanjing University ......