title: A clinical investigation of the concepts of differential and optimal force in canine retraction.
mesh_terms: D000293:Adolescent; D001641:Bicuspid; D002508:Cephalometry; D002648:Child; D002986:Clinical Trials as Topic; D003481:Cuspid; D003799:Dental Stress Analysis; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D009971:Orthodontics, Corrective; D014079:Tooth Eruption, Ectopic / Q000628:therapy*; D014081:Tooth Extraction; D014086:Tooth Mobility