Abstract
We examined a new-generation yttria-stabilized zirconia head manufactured by NGK 1 year after total hip arthroplasty. Monoclinic content of the retrieved head was twice that of the unused head at the pole and equator. A fourfold increase in monoclinic content was observed at 5 mm below the equator. Transformation from the tetragonal phase to the monoclinic phase occurred in the new generation zirconia with alumina doping within a relatively short period in vivo.
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Hayaishi, Y., Miki, H., Yoshikawa, H. et al. Phase transformation of a new generation yttria-stabilized zirconia femoral head after total hip arthroplasty. Mod Rheumatol 18, 647–650 (2008). https://doi.org/10.1007/s10165-008-0108-2
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DOI: https://doi.org/10.1007/s10165-008-0108-2