Porosity of neat and composite bone cement mantles

被引：1
|
作者：
Hansen, Craig L. [1 ]
McQueen, David A. [1 ,2 ]
Friis, Elizabeth A. [1 ,2 ]
Cooke, Francis W. [1 ,2 ]
Widenhouse, Christopher W. [3 ]
机构：
[1] Univ Kansas, Sch Med Wichita, Dept Surg, Sect Orthopaed, Wichita, KS USA
[2] Orthopaed Res Inst Inc, Via Christi Reg Med Ctr St Francis Campus, Wichita, KS USA
[3] Ethicon Endo Surg, Cincinnati, OH USA
来源：
JOURNAL OF ARTHROPLASTY | 2008年 / 23卷 / 02期
关键词：
bone cement; total hip arthroplasty; composite cement; fiber composite; porosity; PMMA;
D O I：
10.1016/j.arth.2007.03.040
中图分类号：
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];
学科分类号：
摘要：
The effect of fiber additions to bone cement on femoral cement mantle porosity was determined. Eighteen porcine femurs were implanted with a cemented prosthesis. Three cement types were used: as-received cement, cement with untreated polyethylene terephthalate fibers, and cement with treated polyethylene terephthalate fibers. Radiographs revealed all cement mantles as grade B, with slight radiolucency at the cement-bone interface. The cement mantles were sectioned at 7 levels, and porosity was measured at each level. All specimens had similar porosities, with an overall mean percentage of porosity of 3.3% +/- 2.2% and a mean pore count of 208 +/- 160 per section. The high pore count and porosity were not visible on the standard clinical radiographs.
引用
收藏
页码：279 / 286
页数：8
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