Using phase-contrast microscopy to change oral health beliefs and behaviors.
D000328:Adult; D001294:Attitude to Health; D001419:Bacteria / Q000302:isolation & purification; D006801:Humans; D008858:Microscopy, Phase-Contrast; D008875:Middle Aged; D009909:Oral Health; D009910:Oral Hygiene; D010353:Patient Education as Topic; D010510:Periodontal Diseases / Q000382:microbiology / Q000628:therapy