Abstract
A novel carbon nanotubes‐based fluoridated hydroxyapatite (CNTs/FHA) composite is prepared by an in situ chemical synthesis method and spark plasma sintering technology. The 1 wt% CNTs/FHA composite exhibits ≈82 and ≈86% improvement in fracture toughness and hardness, respectively. The chemical stability of the CNTs/FHA composite is evaluated by determining the Ca2+ ion release. The result indicates that the substitution of F− ions into the HA structure has a positive effect on the dissolution resistance of HA. The in vitro bioactivity assessment shows that the osteoblast proliferation and differentiation ability are improved. Further, it is observed that the composites can effectively inactivate oral bacteria. Therefore, the CNTs/FHA composite is expected to be a promising material for dental implants.
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