Video camera's insight converts the skeptics.
Seltzer
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SM
D003756:Dental Hygienists; D006801:Humans; D010342:Patient Acceptance of Health Care; D010353:Patient Education as Topic; D010518:Periodontitis / Q000175:diagnosis / Q000517:prevention & control; D011369:Professional-Patient Relations; D012380:Role; D014741:Video Recording / Q000295:instrumentation