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To compare the rates of ceramic fracture and dislocation between 28 mm and 32 mm ceramic heads, 120 hips in 109 patients (51 men and 58 women, mean age 49.2 years) were randomised to THR with either a 28 mm or a 32 mm ceramic articulation. A total of 57\/60 hips assigned to the 28 mm group and 55\/60 hips assigned to the 32 mm group were followed for at least five years. No ceramic component fractures occured in any patient in either group. There was one dislocation in the 32 mm group and none in the 28 mm group (p = 0.464). No hip had detectable wear, focal osteolysis or prosthetic loosening. In our small study the 32 mm ceramic articulation appeared to be safe in terms of ceramic liner fracture.<\/jats:p><jats:p>Cite this article: Bone Joint J 2014;96-B:1459\u201363.<\/jats:p>","DOI":"10.1302\/0301-620x.96b11.34358","type":"journal-article","created":{"date-parts":[[2014,11,4]],"date-time":"2014-11-04T14:48:32Z","timestamp":1415112512000},"page":"1459-1463","update-policy":"https:\/\/doi.org\/10.1302\/crossmark-policy","source":"Crossref","is-referenced-by-count":13,"title":["Comparison between 28 mm and 32 mm ceramic-on-ceramic bearings in total hip replacement"],"prefix":"10.1302","volume":"96-B","author":[{"given":"Y. K.","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, 82 Gumi-ro, 173 beon-gil, Bundang-gu, Seongnam 463-707, South Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y. 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