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牙槽骨垂直牵引成骨种植术的临床研究 被引量:39

Clinical study of alveolar vertical distraction osteogenesis for implant
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摘要 目的 评价牙槽骨垂直牵引成骨技术在改善种植区域骨量中的可行性、临床效果及优缺点。方法  19例因肿瘤切除术或外伤等原因造成重度牙槽突垂直向骨缺损 (缺损均大于 10mm)患者接受了垂直骨牵引术 ,其中男性 15例 ,女性 4例 ,平均年龄 35岁。常规行术前、术后及牵引前、后X线检查记录及取牵引器时直接测量牵引高度。安放牵引器 7d后开始牵引 ,每日牵引 1mm至设计高度。保留牵引器 2~ 3个月 ,局麻下拆除牵引器 ,植入种植体。结果  19例中 11例已完成种植上部结构修复 ,已植入种植体尚未完成上部修复 6例 ,共植入种植体 6 5枚。 19例在牵引成骨后均形成理想新骨 ,平均新生骨的高度 13mm。牵引区意外骨折 2例 ,牵引区感染 1例 ,植入种植体后感染 1例。结论 牙槽骨垂直牵引术是解决重度骨量不足的有效的替代方法。 Objective To evaluate the clinical result of alveolar vertical distraction osteogenesis for implant. Methods 19 cases with severe vertical alveolar defects (more than 10 mm defect) underwent vertical distraction procedure before implant placement. 15 cases were male and 4 cases were female. The alveolar bone defects were caused by tumor resection in 10 cases, by trauma in 8 cases, and due to congenital defect in 1 case. The vertical defects in all cases were over 10 mm. X ray examination were taken prior to operation and in 1week, 2week, 4week, the end of active distraction and before removing distractor. Implants were placed in 17 cases after removing distractors. The prosthesis were finished 6 month later. Results 11 cases out of 19 had implant prosthesis. 6 cases had implant in the jaw but waiting for the prosthesis. Altogether 65 dental implants were placed, 2 cases did not receive further implant treatment because of cost problem. The study showed that new bone formed after distraction in all 19 cases. Average gained height of new bone was 13 mm. Complications: Unexpected mandible fracture in 2 cases, infection in 1 case. Conclusions Alveolar vertical distraction is a good alterative for severe alveolar defects. The distractor should be further developed and modified.
出处 《中华口腔医学杂志》 CAS CSCD 北大核心 2002年第4期253-256,共4页 Chinese Journal of Stomatology
关键词 牙槽骨 垂直牵引 成骨种植术 临床研究 Traction Dental implantation,endosseous Dental restoration,permanent
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参考文献8

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