What's That Rash? Can flossing benefit more than your teeth?
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Feb 17, 2026 They dig into the origins and history of flossing and how interdental tools evolved. They explain what plaque, biofilm and gum inflammation do in the mouth. They explore proposed links between poor oral health and heart disease, stroke and dementia. They debate timing, tools like water flossers and red-light claims, and warn about overhyped gadgets.
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Hosts Joke About Pre-Show Brushing
- Norman Swan and Tegan Taylor banter about compulsive toothbrushing before speaking into microphones.
- Norman admits he flossed that day because his multi-grain sandwich left debris.
Clean Between Teeth Regularly
- Floss and use interdental brushes to prevent plaque, calculus and dental decay.
- Preserve teeth and make dental care easier by doing regular interdental cleaning.
Flossing Dates Back To 1819
- Tegan recounts Levi Spear Palmer recommending waxed silk thread for teeth in 1819 and early commercial floss in 1882.
- She highlights the 1819 guide's grand title and delightfully old-fashioned language.
