牙线正确使用方法

好处:牙线能有效的剔除牙缝隙中的残留物及菌斑 。是预防邻面龋坏有效的方法 。
坏处(可避免):
1、牙线大多是一次性的,不可重复使用,使用过的牙线存有细菌,重复使用白害无一利 。
2、初次使用牙线,因操作不便易引起牙龈出血 。
牙线正确使用方法: {!-- PGC_VIDEO:{"thumb_fingerprint": 4134417492515417477, "vid": "1be9db7a36bb47d08cd182a2715ff753", "vu": "1be9db7a36bb47d08cd182a2715ff753", "duration": 121, "thumb_height": 360, "thumb_neardup_id": -2720272020876870517, "neardup_id": 1011177345851617330, "video_size": {"high": {"duration": 121.68, "h": 480, "subjective_score": 0, "w": 854, "file_size": 6067776}, "ultra": {"duration": 121.68, "h": 576, "subjective_score": 0, "w": 1024, "file_size": 12365556}, "normal": {"duration": 121.68, "h": 360, "subjective_score": 0, "w": 640, "file_size": 4073106}}, "vname": "\u7259\u7ebf\u7684\u4f7f\u7528\u65b9\u6cd5.mp4", "hash_id": 1011177345851617330, "status": 0, "media_id": 1571498816742401, "thumb_width": 640, "external_covers": [{"mimetype": "webp", "source": "dynpost", "thumb_height": 360, "thumb_url": "7d02000c95a7c97e339c", "thumb_width": 640}], "item_id": 6547482863002976771, "user_id": 62625184620, "thumb_url": "7d040009f78a9d61fa1d", "thumb_uri": "7d040009f78a9d61fa1d", "md5": "82509f404538d2ec54389c12cc77fef9", "vposter": "http://p0.pstatp.com/origin/7d040009f78a9d61fa1d", "src_thumb_uri": "7d040009f78a9d61fa1d", "sp": "toutiao", "group_id": 6547482863002976771} --}
牙线最佳使用时间:【牙线正确使用方法】最好是每日一次,特殊情况除外(塞牙) 。

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