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. 2016 Apr 6;11:1435–1442. doi: 10.2147/IJN.S100424

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© 2016 Johansson et al. This work is published and licensed by Dove Medical Press Limited

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Ground sections ×10 of HA-coated and pure PEEK implants.

Notes: Three weeks after insertion, the HA-coated PEEK (A) shows more osteocytes and lamellar bone compared to the pure PEEK (B). After 12 weeks of healing, the HA-coated PEEK (C) shows signs of vital and rapid bone formation with a Haversian system inside the thread surrounded by large amounts of osteocytes. The uncoated PEEK implant after 12 weeks also demonstrates large amounts of osteocytes but with a lower extent of bone–implant contact (D).

Abbreviations: HA, hydroxyapatite; PEEK, polyether ether ketone.