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Taiwanese Journal of Orthodontics
Class III malocclusion; facial asymmetry; molar protraction; Orthognathic surgery; miniscrew
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Surgical-Orthodontic Treatment With Molar Protraction In A Patient With Skeletal Class Iii Anterior Open Bite And Facial Asymmetry, Yi-Hsuan Chen, Cheng-Hui Lin, Ellen Wen-Ching Ko
Surgical-Orthodontic Treatment With Molar Protraction In A Patient With Skeletal Class Iii Anterior Open Bite And Facial Asymmetry, Yi-Hsuan Chen, Cheng-Hui Lin, Ellen Wen-Ching Ko
Taiwanese Journal of Orthodontics
A 20-year-old young male complained of his protrusive and deviated chin. He also presented occlusal plane cant, anterior open bite and unrestorable maxillary right first molar and mandibular left first molar. The severe maxilla-mandibular discrepancy was solved with surgery-first double jaw orthognathic surgery. The space of two extracted first molars was closed by protraction of the second and third molars after surgery. Two protraction techniques were used in this case, including closing maxillary right first molar space with reciprocal retraction, and closing mandibular left first molar with one miniscrew as an absolute anchorage. Careful biomechanical consideration was used during protraction …