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Clinical features of lingual orthodontics in space closure stage and the evaluation items in dental cast records and cepholometric analysis. A. Clinical orthodontic example of lingual orthodontics with 4 first premolars extraction to retract anterior teeth. B. Measurements Index, ICW, inter-canine-width, IPW, inter-premolar-width, IMW1, inter-first molar width, IMW2, inter-second molar width, UI, upper incisor, SN, sella nasion plane, pp, palatal plane.
