Wear and hygiene status of toothbrushes in relation to some social background factors.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003753:Dental Health Surveys; D004522:Educational Status; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009910:Oral Hygiene; D012424:Rural Population; D012737:Sex Factors; D012959:Socioeconomic Factors; D013548:Sweden; D013997:Time Factors; D014099:Toothbrushing; D014505:Urban Population