Orthodontic treatment of Class III malocclusion with lower extraction and anchorage with mini implants: Case report
2017
Abstract This article reports the case of an adult patient with Class III malocclusion with mandibular deviation to right side and right anterior and posterior crossbite treated by retraction of the lower teeth with the aid of mini implants in the retromolar region on both sides. The patient opted to not perform surgery for correction of facial asymmetry, thus the treatment consisted of asymmetric extraction (34 and 38) and placement of absolute anchorage devices distal to the lower second molars in the retromolar area, which assisted in the distal movement of the lower molars and retraction of the lower anterior teeth through springs and elastic. At the end of treatment, the patient has achieved Class I, except only the right side, which achieved molar ratio Class II. After a follow-up period of 2 years, the results remain stable. In this case in a patient with moderate facial asymmetry, it was possible to restore the smile esthetics only with tooth movement through the use of absolute anchorage of mini implants for distalization of molars and anterior teeth.
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