| http://www.w3.org/ns/prov#value | - On the other hand, embedding of implant materials made of hydroxyapatite (HA), tricalcium phosphate (TCP) and the like bioactive ceramics are also carried out at a defect part, but in that case, there is a problem in that a cortical bone region and a spongy bone region of a defect position of a bone are evenly made up by the hard ceramics, and since such ceramics remain semipermanently, it still p
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