Facial growth and lower premolar extraction space closure.
D000293:Adolescent; D001641:Bicuspid / Q000601:surgery*; D002508:Cephalometry; D002648:Child; D003970:Diastema / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008334:Mandible / Q000254:growth & development; D008445:Maxillofacial Development; D012690:Serial Extraction; D014087:Tooth Movement Techniques