Chronic anterior gingivitis. An epidemiological study in school children.
D000293:Adolescent; D002908:Chronic Disease; D003741:Dental Deposits; D005260:Female; D005891:Gingivitis / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007180:Incisor; D008046:Lip / Q000502:physiology; D008297:Male; D008310:Malocclusion; D009909:Oral Health; D012119:Respiration