激光器 yag 关键�?传输 优化 参数 下载文档 收藏 打印 转格�?转本文档 转其他文�?分享：A current American Academy of Periodontology consensus assertion noted that laser therapy’s Advantages may very well be limited, but that, While not conclusive, some evidence implies that adjunctive usage of Er:YAG or Nd:YAG las