![]() The term high viscosity should not be used as a descriptor of cement that reaches dough phase more quickly, but rather cement that has a higher viscosity at its dough phase when it is typically applied.Īseptic loosening biomaterials cement penetration cement viscosity radiolucent lines total knee arthroplasty.Ĭopyright © 2021 Elsevier Inc. Because these high-concentration cosurfactants contribute somewhat to the overall bulk viscosity of the reverse micelle mixture, low-viscosity short-chain. These findings suggest that the marketing description of HVC or LVC is not necessarily a factor in cement penetration. There were fewer tibial radiolucencies with HVC than LVC. I know of know other reason a fluid wouldnt be Dexron VI. But its not a low viscosity fluid (to my knowledge) as it says its not intended for use in vehicles that use Dexron VI. Castrol Import ATF is also available locally, it lists KIA - all specifications on the label. There was no significant difference in maximum penetration in any zone between the two cements. Maxlife is an option as it lists SP-IV as compatible on the label. The observations indicate that particle viscosity may be influenced by intra- and inter-molecular hydrogen bonding between oligomers, and particle water uptake. ![]() Mean maximum cement penetration in 3 of the 4 zones was >3 mm with both cements. There were no cases of aseptic loosening in either cohort at a mean of 29 months. Depth of cement penetration and presence of RLL were measured in four tibial zones and were compared between cohorts. SphereTEC filler brings an enhanced chameleon blending ability to TPH Spectra ST composite for simplified shade matching. The HVC (n = 50) and LVC cohorts (n = 50) were gathered from two sequential series of primary total knee arthroplasties using the same implants and cementing techniques. Thanks to SphereTEC filler technology, TPH Spectra ST composite offers optimized handling characteristics in both a high and low viscosity to accommodate your preference and technique for placement efficiency. We hypothesized that no significant difference would be found in depth of penetration or presence of RLLs between the two cohorts. We compared cement marketed as high-viscosity cement (HVC) with one marketed by the same manufacturer as low-viscosity cement (LVC). Previous studies have shown that the depth of cement penetration and the presence of radiolucent lines (RLLs) correspond with the risk of aseptic loosening in total knee arthroplasty, while others have found a correlation between the viscosity of the cement and the depth of cement penetration.
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