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PEEK discs were polished, cleaned, and the surface treated with sulfuric acid for 15\u00a0min. The composite coating consisted of bioactive glass produced by the sol\u2010gel route and doped with 0.75\u00a0wt% graphene oxide. X\u2010ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy\u2010energy dispersive spectroscopy analyses were employed to characterize the composite coating, and the coating adhesion strength quantified using a pull\u2010off test. Cytotoxicity was assessed using osteoblast\u2010like cells and gingival fibroblasts. The wettability of the coated and non\u2010coated samples was determined by optical contact angle assessment, and bioactivity was assessed by immersion in simulated body fluid. The results revealed that the bioactive glass\/graphene oxide composite coating, approximately 7 \u03bcm thick, was transparent, homogenous with few microcracks and microporosities, but adhered strongly and was not cytotoxic to either osteoblast\u2010like cells or gingival fibroblasts. The wettability of the PEEK sample was increased to\u00a0&lt;20\u00b0 after coating with the composite, and apatite formation was detectable after 14 days of immersion in simulated body fluid.<\/jats:p>","DOI":"10.1111\/eos.12915","type":"journal-article","created":{"date-parts":[[2023,1,28]],"date-time":"2023-01-28T02:24:50Z","timestamp":1674872690000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["A novel bioactive glass\/graphene oxide composite coating for a polyether ether ketone\u2010based dental implant"],"prefix":"10.1111","volume":"131","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9144-1009","authenticated-orcid":false,"given":"Ahmed","family":"Al\u2010Noaman","sequence":"first","affiliation":[{"name":"Department of Oral Surgery College of Dentistry University of Babylon  Babylon City 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