Performance of β-tricalcium phosphate granules and putty, bone grafting materials after bilateral sinus floor augmentation in humans.

Performance of β-tricalcium phosphate granules and putty, bone grafting materials after bilateral sinus floor augmentation in humans.
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β-磷酸三钙颗粒和腻子、骨移植材料在人体双侧窦底增强后的性能

DOI:
10.1016/j.biomaterials.2013.12.068
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发表时间:
2014
期刊:
影响因子:
14
通讯作者:
Knabe C
Knabe C
中科院分区:
工程技术1区
文献类型:
--
作者:
Stiller M;Kluk E;Bohner M;Lopez-Heredia MA;Müller-Mai C;Knabe C

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使用骨移植材料,特别是磷酸钙(CaP)的窦底提升(SFA)是一种成熟的植入前手术。CaP的使用简化了SFA程序。β-磷酸三钙(β-TCP)是SFA的主要原料。本研究评价了β-TCP颗粒(TCP-G)和β-TCP油灰(TCP-P)骨移植材料的临床和成骨性能。TCP-P由透明质酸(HyA)载体中的TCP-G组成。评估患者双侧SFA后的骨形成、体积稳定性和成骨标志物表达。8名患者被选择用于裂口设计。SFA后6个月获得的活检组织进行I型胶原(Col I)、碱性磷酸酶(ALP)、骨钙素(OC)和骨唾液蛋白(BSP)的免疫组化分析。组织形态学分析确定骨、移植材料和骨髓腔百分比。使用锥形束计算机断层扫描来计算移植物体积及其稳定性。两种材料均具有良好的骨再生和体积稳定性。TCP-P显示出更好的手术操作性能、更大的骨形成、更高的Col I、ALP、OC和BSP表达;以及显著更低的移植物体积减少值。HyA对TCP-P性能无不良影响。由于其临床和成骨性能,TCP-P可被视为SFA的优良植骨材料。
Sinus floor augmentation (SFA) using bone grafting materials, and in particular calcium phosphates (CaP), is a well-established pre-implantology procedure. The use of CaP simplifies SFA procedures. β-tricalcium phosphate (β-TCP) is amply used for SFA. This study evaluated the clinical and osteogenic performance of β-TCP granules (TCP-G) and a β-TCP putty (TCP-P) bone graft material. TCP-P consisted of TCP-G in a hyaluronic acid (HyA) carrier. Bone formation, volume stability and osteogenic marker expression after bilateral SFA in patients was assessed. Eight patients were selected for a split-mouth design. Biopsies obtained six months after SFA, were processed for immunohistochemical analysis of collagen type I (Col I), alkaline phosphatase (ALP), osteocalcin (OC) and bone sialoprotein (BSP). Histomorphometric analysis determined bone, grafting material and marrow space percentages. Cone-beam computed tomography was used to calculate the graft volume and its stability. Both materials allowed excellent bone regeneration and volume stability. TCP-P displayed better surgical handling properties, greater bone formation, higher expression of Col I, ALP, OC and BSP; as well as significantly lower grafting volume reduction values. HyA had no adverse effect on TCP-P performance. Due to its clinical and osteogenic performance, TCP-P can be regarded as excellent bone grafting material for SFA.
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