Fixation to the canine bone of artificial implant with new surface structure |
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| Authors: | Seno Takahiro Izumisawa Yasuharu Nishimura Ikuya Maehara Seiya Kushiro Tokiko Umar Mohammed Ahmed Wakaiki Shinsuke Yamashita Kazuto Kotani Tadao |
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| Institution: | Department of Veterinary Surgery I, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido, Japan. |
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| Abstract: | Screw and laser (SL) column by making screw threads and forming small holes using laser irradiation on the base metal and conventional beads coating (BC) columns were embedded into the shaft of canine femurs, and compared the implant fixation to the host bone. The interfacial strength in SL columns was almost equivalent as BC columns, and bone-column contact rate was higher than BC columns significantly at twelve weeks after implantation. The newly devised SL surface had almost equivalent bone fixation strength comparable to the conventional BC surface. Also, this surface should provide a useful porous surface for use in artificial joints since there is no risk of surface structure detachment. |
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