Comparing femoral bone remodeling after total hip arthroplasty using collarless POLARSTEM◊ for different Dorr types
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Using bone-cemented stems is recommended for femurs with severe osteoporosis and a large medullary cavity. This study aimed to evaluate postoperative bone changes around a collarless POLARSTEM◊ using simple X-ray images and the bone mineral density and compar... ...
