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

页码：279 / 286

页数：8

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