Clinical and statistical analyses were conducred of patients with jaw deformity who visited the Department of orthodontics, Matsumoto Dental University hospital. One hundred and two patients with jaw deformity were treated in the department from January 2003 to December 2012. (1) The total number of patients was 102; the male–female ratio was 1: 1.32. (2) Mandibular protrusion was the most frequent diagnosis, with 35 cases (34.3％), followed by mandibular protrusion + maxillary retrusion (16 cases, 15.7％), and mandibular protrusion + asymmetry (15 cases, 14.7％). (3) As for the tooth extraction sites for presurgical orthodontic treatment, although non–tooth extraction was the highest from 2003 to 200₇, maxillary first premolar tooth extraction was the highest from 2008 to 2012. (4) Sagittal split ramus osteotomy (SSRO) was the most commonly performed procedure (5₇.8％), followed by Le Fort I + SSRO (36.3％). Le Fort I + SSRO showed an increasing tendency.
雑誌名
松本歯学
雑誌名(英)
Journal of the Matsumoto Dental University Society
松本歯科大学病院矯正歯科における顎変形症患者の臨床統計的検討（2003年～2012年）
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