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Objective: This study examined the usefulness of miniplate fixation in SSRO.<BR>Subjects and Methods: The subjects were 40 patients (20 males and 20 females). On cephalograms taken before surgery (TO), immediately (T1), 2 months (T2), and 1 year (T3) after surgery, the facial angle, SNB, L1 to mandibular plane angle, U1 to SN plane angle, mandibular plane angle, Y-axis, and Pogonion were measured; and from frontal cephalograms, left and right Go-Go' were measured. The patients were also examined for temporomandibular joint symptoms and lower lip paresthesia.<BR>Results: Relapse was observed between T1 and T2, but no significant difference was noted between T2 and T3.Analysis of frontal cephalograms revealed a significant difference on the right side between TO and T1, but no significant changes thereafter, and no significant changes on the left side pre- or postoperatively. Temporomandibular joint symptoms were present on 5 sides each pre-and postoperatively. Lower lip paresthesia remained on 19 sides (23.8%).<BR>Conclusion: Compared with screw fixation, miniplate fixation in SSRO resulted much less frequently in postoperative relapse, indicating its usefulness in SSRO.
特定非営利活動法人日本顎変形症学会の論文