Class II division I treatment utilizing the systems of directional force.
D002508:Cephalometry; D002648:Child; D003724:Dental Arch / Q000033:anatomy & histology; D005115:Extraoral Traction Appliances; D005260:Female; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000175:diagnosis / Q000628:therapy*; D008433:Mathematics; D013314:Stress, Mechanical; D014087:Tooth Movement Techniques / Q000379:methods*