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KMID : 0361920140440060330
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Korean Journal of Orthodontics
2014 Volume.44 No. 6 p.330 ~ p.341
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Surgery-first approach using a three-dimensional virtual setup and surgical simulation for skeletal Class III correction
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Im Joon
Kang Sang-Hoon
Lee Ji-Yeon
Kim Moon-Key
Kim Jung-Hoon
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Abstract
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A 19-year-old woman presented to our dental clinic with anterior crossbite and mandibular prognathism. She had a concave profile, long face, and Angle Class III molar relationship. She showed disharmony in the crowding of the maxillomandibular dentition and midline deviation. The diagnosis and treatment plan were established by a three-dimensional (3D) virtual setup and 3D surgical simulation, and a surgical wafer was produced using the stereolithography technique. No presurgical orthodontic treatment was performed. Using the surgery-first approach, Le Fort I maxillary osteotomy and mandibular bilateral intraoral vertical ramus osteotomy setback were carried out. Treatment was completed with postorthodontic treatment. Thus, symmetrical and balanced facial soft tissue and facial form as well as stabilized and well-balanced occlusion were achieved.
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KEYWORD
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Digital simulation, Digital models, Computed tomography, Surgery-first approach, Three-dimensional technique
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