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牙冠-植體長度比對植體成功率及齒槽嵴吸收的影響-以腓骨重建手術作長期追踪

The Crown Implant Ratio on the Dental Implant Success Rate and the Crestal Bone Level-A Prospective Study of Cross Midline of Mandible Tumor Patients After Surgical Ablated Reconstruction by Fibular Bone Flap with More Than 6 Years Follow Up

摘要


本研究在探討橫跨下顎骨中線,左右二側病灶區域,以手術切除後的缺損區用不同術式:以單層腓骨皮瓣或腓骨垂直高度牽引術合併人工植體重建咀嚼功能,並以角質化黏膜移植於植體周圍製作植體固定式義齒,經長期咬合負載後的牙冠與植體牙根長度比率對植體周圍的骨吸收量的比較。

並列摘要


The prospective study was to determine how the crown-implant length ratio(CA ratio affected the dental crest bone loss and the dental implant success rate after 6 years follow up in fibula bone flap combined with dental implants in cross midline of mandible ablated surgical cases. Total 14 cases with cross midline of mandible tumor accepted ablated surgery reconstructed by fibula bone flap combined with dental implants for oral functional rehabilitation from 1995 to 2010. Group A with 7 patients got the fibula bone graft reconstruction with immediate dental implants placement. Group B with 7 patients got the fibula bone graft reconstruction combine the vertical distraction treatment for 6 months then accepted dental implants placement. After the radiograph study, there is no difference of bone resorption between Group A and Group B. The CVI ratio and different treatment procedure showed that did not affect the dental implant success and crest bone loss in our study.

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