The Role of Carbonated Hydroxyapatite in Modulating Osteoblast Proliferation and Differentiation in Composite Bone Scaffolds: A Narrative Review Sultan Aristo Haqqi1, Asti Meizarini2*, Devi Rianti3 Abstract Carbonated hydroxyapatite (CHA) is becoming widely used in composite bone scaffolds due to better similarity of its carbonate substitution to the mineral component of