洗牙益处-认知Benefits of Teeth Cleaning - Understanding

无论刷牙多认真 日常清洁除菌斑 只能清除一大半 残留菌斑会钙化 一旦形成牙结石 导致牙龈会萎缩 洗牙可防牙周炎 定期洗牙有必要 No matter how diligently you brush your teeth, daily cleaning only removes a large portion of plaque. Residual plaque can calcify, and once it forms tartar, it can lead to gum recession. Teeth cleaning can prevent periodontitis; regular teeth cleaning is necessary.