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Ortho - international magazine of orthodontics No.1, 2016

| trends & applications Carriere Class III Motion Appliance 12 ortho 1 2016 In retrognathic Class II patients, we combine max- illary distalisation, controlled maxillary molar distal rotation, and uprighting with mandibular reposi- tioning for a better functional relation, giving sta- bility to the case while balancing the position of the tempo­ romandibular joint (TMJ) anatomical structures and harmonising the soft-tissue facial aesthetics. In Class III patients, we promote poste- rior mandible repositioning, changing the poste- rior occlusal plane, combined with distal­isation of theposteriorsegmentsfromthecaninetothemo- lars.Thisapproachisoftencombinedwithacertain upperarchdevelopmentwiththeCarriereSLXpas- sive system to compensate for the typical premax- illary hypoplasia related to this type of malocclu- sion. Our main objective is to establish a stable and solid occlusion while balancing the patient’s face. Have there also been cases in which the Class III malocclusion could not be corrected? Have you observedanyTMJproblemsduringClassIIItreat­ ment? Figs.4a & b: Patient before (a) and after (b) 14-month of treatment. Figs.5a–c: Initial intra-oral shot (a), after one month of treatment with Motion™ Class IIIAppliance (Fig.5b shows the transparent prototype,which is not yet available), final treatment outcome in 14-month follow-up. Figs.6a & b: Patient before (a) and after (b) 3-month of treatment with Motion™ Class IIIAppliance (b). Fig.7: Initial intra-oral shot. Fig.4a Fig.4b Fig.5c Fig.5b Fig.5a Fig.6a Fig.6b Fig.7 12016

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