"Lec 1 - Oral Hygiene Methods - Toothbrushing and Flossing" This tape is a compilation of three 16mm films which demonstrate the circular scrub and Bass methods of toothbrushing and good technique in dental flossing. Orig. air date: NOV 16 72 This is part of the Open.Michigan collection at: http://open.umich.edu/education
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This video is a part of a lecture series from of michigan