| Summary: | Skull defect is a common clinical disease, and the corresponding treatment is still a grand challenge. No artificial product can perfectly integrate with human skull and match the skull defect during growth. Herein, we report a porous polyetheretherketone (PEEK) implant with the microstructures almost identical to natural bones for repairing skull defect. Compared to non-porous PEEK controls, the porous PEEK implants efficiently promote cell adhesion, regenerate skull tissues, and finally achieve perfect healing with surrounding tissues within 6 months. This work suggests the important potential of integrated porous PEEK implants for treating skull defect in clinic, especially for children with rapidly growing skulls.
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