The Mandibular Protraction Appliance IV

Carlos Martins COELHO FILHO

Evolution of the Mandibular Protraction Appliance up to its latest version is commented. Step-by-step construction and installation of MPA IV in a patient are illustrated. Two nonextraction cases in the puberal growth period are presented.

Keywords: MPA: Mandibular protraction appliance. Class II malocclusion treatment. Fixed Orthopedics Appliance. Class II malocclusion.

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