The effect of toothbrushing frequency on periodontal disease measurements.
D000293:Adolescent; D000328:Adult; D004522:Educational Status; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009909:Oral Health; D010510:Periodontal Diseases / Q000453:epidemiology*; D010512:Periodontal Index; D012959:Socioeconomic Factors; D013997:Time Factors; D014099:Toothbrushing