3D‐Printed Multidimensional Bionic Mg‐MC/PLGA Composite for Tailored Repair of Segmental Long Bone Defects

⁺-doped scaffold in promoting bone regeneration, with significant improvements in bone volume, trabecular thickness, and biomechanical strength. These findings highlight the potential of the 5% Mg-MC/PLGA scaffold as a promising solution for the clinical treatment of bone defects.