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首页> 外文期刊>Journal of Oral and Maxillofacial Surgery >Comparison of material-related complications after bilateral sagittal split mandibular setback surgery: Biodegradable versus titanium miniplates
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Comparison of material-related complications after bilateral sagittal split mandibular setback surgery: Biodegradable versus titanium miniplates

机译：双侧矢状劈开下颌后退手术后与材料相关的并发症的比较：可生物降解与微型钛板

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Purpose: The aim of the present prospective study was to compare material-related complications using biodegradable and titanium miniplates after bilateral sagittal split mandibular setback surgery. Patients and Methods: The subjects included 200 Japanese adults (67 men and 133 women, age range 18 to 45 years) with jaw deformities diagnosed as mandibular prognathism. All patients were prospectively and consecutively randomized to 2 study groups, receiving biodegradable or titanium fixation plates. Of the 200 patients, 110 underwent bilateral sagittal split ramus osteotomy with a biodegradable fixation plate and 90 underwent bilateral sagittal split ramus osteotomy with a titanium metal plate. The clinical records and radiologic findings of the patients were reviewed, and the incidence of material-related complications was compared. Results: The incidence of postoperative complications and breakage in the biodegradable group was 8.2% (9 cases) and in the titanium group was 3.3% (3 cases). No statistically significant difference in the incidence of complications was found between the 2 groups. Fractures of the biodegradable plate occurred at a significantly greater frequency in patients with asymmetry than in patients without asymmetry. Conclusion: Biodegradable plates were reliable with minimal material-related complications. However, the use of biodegradable plates should be recommended for minimally loaded situations.
机译：目的：本前瞻性研究的目的是比较在双侧矢状劈开下颌后退手术后使用可生物降解和钛金属迷你板进行的材料相关并发症。患者和方法：受试者包括200名日本成年人（67名男性和133名女性，年龄在18至45岁之间），其下颌畸形被诊断为下颌前突。所有患者均前瞻性且连续地随机分为2个研究组，接受可生物降解或钛固定板。在这200例患者中，有110例使用了可生物降解的固定板进行了双侧矢状裂肌切开术，而90例进行了钛金属板的双侧矢状裂肌切开术。回顾了患者的临床记录和影像学检查结果，并比较了与材料相关的并发症的发生率。结果：可生物降解组术后并发症和断裂的发生率为8.2％（9例），钛组为3.3％（3例）。两组之间并发症发生率在统计学上没有显着差异。具有不对称性的患者的可生物降解板的骨折发生频率明显高于没有不对称性的患者。结论：可生物降解的平板是可靠的，与材料相关的并发症最少。但是，应建议在最小负荷情况下使用可生物降解的平板。

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