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Dental Press Journal of Orthodontics
On-line version ISSN 2176-9451
LI, Larry Ching Fan and WONG, Ricky Wing-Kit. Management of severe Class II malocclusion with sequential removable functional and orthodontic appliances: a case for MOrthRCSEd examination. Dental Press J. Orthod. [online]. 2011, vol.16, n.5, pp. 1-11. ISSN 2176-9451. http://dx.doi.org/10.1590/S2176-94512011000500008.
INTRODUCTION: Functional appliances are an effective way of treating skeletal Class II malocclusion in children and adolescents. A 12 month step-wise mandibular advancement protocol has been proved to enhance the condylar growth and improve the mandibular prognathism using Herbst appliance. OBJECTIVES: The following case report documented a 11 year-old Chinese girl with 11 mm overjet treated by a Phase I 12-month growth modification therapy using Twin Block appliance with Hyrax palatal expander and high pull headgear in a step-wise mandibular advancement protocol followed by a Phase II preadjusted Edgewise appliance therapy. This is one of the cases submitted for the Membership of Orthodontics Examination of the Royal College of Surgeons of Edinburgh.
Keywords : Myofunctional therapy; Functional appliances; Angle Class II malocclusion.