牙槽突裂植骨术后的植骨效果评价

华西口腔医学杂志

牙槽突裂植骨术后的植骨效果评价

吴军1, 王国民2, 钱玉芬1, 毕玉升3, 陈振琦1

1.上海交通大学医学院附属第九人民医院口腔正畸科; 2.口腔颌面外科, 上海200011; 3.上海同济大学应用数学系, 上海200092

收稿日期:2008-06-25 修回日期:2008-06-25 出版日期:2008-06-20 发布日期:2008-06-20
通讯作者: 王国民，Tel：021- 63138341- 5289
作者简介:吴军（1968-），女，山东人，副主任医师，博士

Evaluation of bone volume of alveolar cleft befor e and after bone graft

WU Jun1, WANG Guo- min2, QIAN Yu- fen1, BI Yu- sheng3, CHEN Zhen- qi1

1. Dept. of Orthodontics, Shanghai Ninth People′s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; 2. Dept. of Oral and Maxillofacial Surgery, Shanghai Ninth People′s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; 3. Dept. of Applied Mathematics, Tongji University, Shanghai 200092, China

Received:2008-06-25 Revised:2008-06-25 Online:2008-06-20 Published:2008-06-20
Contact: WANG Guo- min，Tel：021- 63138341- 5289

摘要/Abstract

摘要：

目的通过牙CT的扫描及Matlab7.0软件的应用，评价牙槽突裂植骨术后的骨缺损区的体积变化。方法选取11名单侧完全性牙槽突裂患者，应用牙CT扫描及Matlab7.0软件计算植骨前和植骨后3个月的牙槽突裂空隙体积和所植入骨的体积，并计算术前后体积比值。结果植骨术后骨桥的体积与植骨前牙槽突裂隙的体积比值，最大值可达114.99%，最小值仅有13.36%，平均数为71.80%，变异系数为47.987。结论植骨后存活的骨桥体积变化较大。

关键词: 牙槽突裂, 骨体积, 植骨

Abstract:

Objective The aim of this study was to evaluate the changing of alveolar cleft bone volume before and after bone graft. Methods 11 complete unilateral alveolar cleft patients were scanned with dental CT before bone graft surgery and 3 months after surgery. Matlab7.0 software was used to calculate the bone volume of alveolar cleft before bone graft and bone bridge volume after bone graft. The method was clockwise identify the irregular area of alveolar cleft by several points at different vertical level, then calculated the irregular area of alveolar cleft and the volume of alveolar cleft using Matlab7.0 software. The volume of implant bone was evaluated with same method after 3 months surgery. The ratio of graft bone bridge volume and alveolar cleft volume was calculated. Results The maximum ratio of bone bridge volume and alveolar cleft volume was 114.99%, the minimum ratio was 13.36%. The average ratio was 71.80%, coefficient variation was 47.987. Conclusion Bone bridge volume after bone graft is varying.

Key words: alveolar cleft, bone volume, bone graft

吴军王国民钱玉芬毕玉升陈振琦. 牙槽突裂植骨术后的植骨效果评价[J]. 华西口腔医学杂志.

WU Jun1, WANG Guo- min2, QIAN Yu- fen1, BI Yu- sheng3, CHEN Zhen- qi1. Evaluation of bone volume of alveolar cleft befor e and after bone graft[J]. West China Journal of Stomatology.

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