Amorphous calcium phosphate nanospheres/polylactide composite coated tantalum scaffold: Facile preparation, fast biomineralization and subchondral bone defect repair application

- Calcium phosphate nanospheres are prepared for modifying tantalum scaffolds.
- This system shows enhanced in-situ biomineralization and growth factors delivery.
- This system has improved the surface properties of tantalum scaffolds.
- This modified tantalum scaffolds show advantages in bone defect repair.