期刊
BRITISH JOURNAL OF PLASTIC SURGERY
卷 53, 期 1, 页码 24-29出版社
CHURCHILL LIVINGSTONE
DOI: 10.1054/bjps.1999.3236
关键词
hydroxyapatite cement; craniofacial surgery; biomaterials
类别
Hydroxyapatite cement is a calcium phosphate preparation composed of tetracalcium phosphate and dicalcium phosphate anhydrous powders. When mixed with water it isothermically forms a paste which can easily be shaped intraoperatively. This mixture sets in approximately 15-20 min and converts into water insoluble, nonceramic, microporous hydroxyapatite in 4 h. This biomaterial tvas used to correct either congenital or traumatic craniofacial contour irregularities or deficiencies in 20 patients. On follow-up there was only one patient who required repeat surgery for further correction, there were no other complications. The good cosmetic results, the ease of operation, the pliability of the cement paste allowing precise moulding during application, the short operation time and the avoidance of a donor site makes hydroxyapatite cement an attractive material for treating craniofacial contour defects. Careful long term follow-up is necessary to establish its safety and reliability. (C) 2000 The British Association of Plastic Surgeons.
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