[The first permanent molar. 3. Therapeutic aspects of first molar extraction].
D006801:Humans; D008310:Malocclusion / Q000145:classification / Q000601:surgery*; D008963:Molar; D009971:Orthodontics, Corrective; D010347:Patient Care Planning; D012737:Sex Factors; D014078:Tooth Eruption; D014081:Tooth Extraction