Apples and gingival health. Report of a feasibility study.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D003773:Dental Plaque; D005260:Female; D005638:Fruit; D005882:Gingival Diseases / Q000517:prevention & control*; D006801:Humans; D008297:Male; D012572:School Health Services; D012737:Sex Factors