Pre-and post-surgicalorthodontic treatment of skeletal malocclusion
Chinese Journal of Medical Aesthetics and Cosmetology(2008)
Abstract
:Objective To study thepre-and post-surgical orthodontic treatment methods of patients with skeletal malocclusiontreated through combined orthodontic-orthognathic surgery,and to set some guidance for thefuture clinical Work.Methods Twenty-five skeletal malocclusion patients in our clinic agedfrom 17 to 36 were treated by presurgical orthodontic treatment,orthognathic surgery andpostsurgical ortho dontic treatment.Presurgical orthodontic treatment included alignmentof dental arches,leveling of arches,elimination of rotations,coordination of thearches,and decompensation of anterior and posterior teeth.The postsurgical orthodontictreatment included closing residual spacing,final tooth alignment,maximuminterdigitation,finalizing torque,artistic positioning,ideal overjet/overbite relationshipand establishment of correct root parallelism.Results The duration of presurgicalorthodontic treatment was 14.41 months on average(2~23 months),and thepostsurgical orthodontic treatment time was 6.94 months on average(1.5~13.5months).The duration for the whole active treatment was 21.35 months on average(7~35 months).The maxilla was movedback on an average 5.00 mm in maxillary protrusion cases.The mandible was moved anteriorlyon an average 7.25 mm in mandibular retrusion cases.The mandible was moved back on anaverage 6.55 mm in mandibular protrusion cases.The chin was moved anteriorly on an average5.33 nan in retrusion of chin cases.Conclusions Pre-and post-surgical orthodontictreatments are important procedures to the surgical treatment for skeletal malocclusionand basic needs to obtain successful treatment results.\r\n\r\nKey words: \r\nOrthognathic surgery; Malocclusion; Decompensation
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