[Is the tooth care package worth its money?].
D002648:Child; D005860:Germany, West; D006267:Health Education, Dental; D006801:Humans; D011636:Public Health Dentistry; D012572:School Health Services; D012959:Socioeconomic Factors; D014099:Toothbrushing
Ist der Zahnpflegebeutel sein Geld wert?