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首页> 外文期刊>Cell and tissue banking: An international journal of banking, engineering & transplantation of cells and tissues >Iliac crest fresh frozen homografts used in pre-prosthetic surgery: a retrospective study
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Iliac crest fresh frozen homografts used in pre-prosthetic surgery: a retrospective study

机译：lia骨新鲜冷冻同种异体用于修复前手术的回顾性研究

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摘要

In the case of severe jaw atrophy several options are available to restore the alveolar crest. Aim of the present study was to evaluate the resorption over time of homologous fresh frozen bone used to restore the alveolar ridge. Specifically factors influencing (1) graft survival, (2) type, and (3) degree of bone resorption were evaluated. One hundred and thirteen maxillae and 27 mandibles were grafted. The surgical techniques used were 102 inlay, 27 onlay, and 11 veneer. Measurements were taken on pre-operative, post-operative, and follow-up radiographs. Data were processed by using three statistical methods: Kaplan-Meier algorithm, Cox regression, and curve estimation. As regards graft survival, Cox regression output showed a statistically significant effect only on surgical technique (P = 0.0312) and Kaplan-Meier algorithm demonstrated a worse outcome for veneer surgical technique (Log rank test = 0.0242). The Curve estimation demonstrated an inverse correlation between degree of bone resorption over time, with a progressive decrease. In conclusion FFB is a reliable material for alveolar bone restoration with a predicable average of resorption.
机译：在严重的下颌萎缩的情况下，有几种选择可以恢复牙槽c。本研究的目的是评估用于恢复牙槽fresh的同源新鲜冷冻骨随时间的吸收。评估了影响（1）移植物存活，（2）类型和（3）骨吸收程度的具体因素。植入了113颗上颌骨和27个下颌骨。使用的手术技术为102镶嵌，27镶嵌和11饰面板。在术前，术后和随访X光片上进行测量。使用三种统计方法处理数据：Kaplan-Meier算法，Cox回归和曲线估计。至于移植物的存活率，Cox回归输出仅显示出对手术技术的统计学显着影响（P = 0.0312），而Kaplan-Meier算法证明了单板手术技术的预后较差（对数秩检验= 0.0242）。曲线估计表明，随着时间的流逝，骨吸收程度之间呈反比关系，且呈逐步下降趋势。总之，FFB是可预测平均吸收值的可靠的牙槽骨修复材料。

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