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Between 1980 and 1985, silicone hemiprostheses were implanted because of hallux rigidus in 58 feet of 43 patients who were followed up after an average of 5 years. The majority were satisfied and had good function without pain. However, the toes had shortened because of implant wear, and there was considerable associated osteolysis.
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Verhaar et al. (1989) studied this question.
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