Chris Rafoth, DDS on Twitter: "Fun fact: if you’ve been using floss daily, by the end of the year the total length will be the perimeter of a... https://t.co/CkYSCFuLdG" / Twitter

Fun fact: if you’ve been using floss daily, by the end of the year the total length will be the perimeter of a... fb.me/2h8dBbRZD

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