[The influence of premature loss of first permanent molars on permanent dentition (author's transl)].
D000293:Adolescent; D006801:Humans; D008310:Malocclusion / Q000209:etiology*; D008963:Molar / Q000601:surgery*; D014081:Tooth Extraction / Q000009:adverse effects*; D014085:Tooth Migration / Q000209:etiology