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(A) The push-out test. The implant was pushed out at a moving speed of 1 mm/min and weld strength calculated. (B) Strength of G-CFR-PEEK and CFR-PEEK groups after 4, 8, and 12 weeks (n=3). Results presented as means ± SD. *P<0.05; **P<0.01.
Abbreviations: CFR-PEEK, carbon fiber-reinforced polyether ether ketone; G-CFR-PEEK, graphene-modified carbon fiber-reinforced polyether ether ketone.
