古人用柳枝或者盐粒刷牙。过去农村也用牙膏牙刷，实在买不起的才用盐。道理非常简单，没有刷牙习惯的都早早病死了。

来源: thore 于 2025-05-27 13:44:25 [旧帖] [给我悄悄话] 本文已被阅读：次

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