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Conventional 2.0 mm miniplates versus 3-D plates in mandibular fractures

机译:下颌骨骨折中传统的2.0 mm微型钢板与3-D钢板

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Aim:To compare and evaluate the treatment outcome and postoperative complications in mandibular fractures using 2- and 3-dimensional miniplates.Materials and Methods:This study consisted of a sample of 28 patients (40 fracture sites) divided randomly but equally (single-blind control trial study) into two groups. Each group contains 14 patients (20 similar fracture sites in each group). Group 1 was treated with open reduction and internal fixation using 3-dimensional (3-D) miniplates. Group II was treated using 2-dimensional (2-D) 2-mm miniplates.Results:Out of 14 patients treated by conventional 2-mm miniplates, 2 patients developed occlusal discrepancy, another 2 had postoperative mobility at fracture site, and 1 developed plate failure and subsequent infection, which was treated by removal of the plate under antibiotic coverage. One patient treated by 3-dimensional plates had tooth damage.Statistical Analysis:Chi-square test.Conclusion:The results of this study suggested that the treatment of mandibular fractures (symphysis, parasymphysis, and angle) with 3-dimensional plates provided 3-dimensional stability and carried low morbidity and infection rates. The only probable limitations of 3-dimensional plates were excessive implant material due to the extra vertical bars incorporated for countering the torque forces.
机译:目的:使用二维和三维微型钢板比较和评估下颌骨骨折的治疗结果和术后并发症。材料与方法:本研究由28名患者(40个骨折部位)随机但均等(单盲)组成对照试验研究)分为两组。每组包含14位患者(每组20个类似的骨折部位)。第1组采用3维(3-D)微型钢板进行切开复位和内固定治疗。第二组使用二维(2-D)2-mm微型钢板治疗。结果:在14例常规2毫米微型钢板治疗的患者中,2例出现咬合差异,另外2例在骨折部位术后活动,1例发展板失败和随后的感染,通过在抗生素覆盖下移出板来治疗。统计分析:卡方检验。结论:本研究结果表明,使用3维钢板治疗3例患者的牙齿受损。尺寸稳定,发病率和感染率低。 3维板的唯一可能限制是过多的植入物材料,这是由于并入了额外的垂直杆来抵消扭矩力。

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