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Hygiene Atlas

A free, picture-first guide to the dental office for assistants, and a study atlas for hygiene students and RDHs. Written in original words from cited public sources; images are our own Blender renders or openly licensed with credit.

Study aid, not clinical guidance. Always follow your program, your state practice act and current guidance from the CDC, ADA and AAP. Not affiliated with the JCNDE or ADA.

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Start here: office primer
Plain-English glossary
Topic atlas
Flashcards and questions
Interactive tools
About and method
Sources and image credits

Folio · Universal 1–32 · Updated October 2026

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