floss的作用被夸大了。改善牙龈健康要改变口腔化学环境靠floss办不到

来源: MayX 于 2023-12-13 08:07:42 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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floss的作用被夸大了。改善牙龈健康要改变口腔化学环境 靠floss办不到