Fig. 7

HA for dental materials. A HA hydrogel-supported stem cells for the repair of dentin and pulp injuries, and isometric map of apical papilla stem cells showing the advanced metabolic activity of Alg/HA-based hydrogels [201]. Copyright 2019, Elsevier B.V. All rights reserved. License Number: 5620820355951. B CAD models and electron micrographs of 3D printed PCL/BG and PCL/HyA bilayer scaffolds for pulp and dentin regeneration [68]. Copyright 2021, the Authors. Licensee MDPI, Basel, Switzerland. Based on Creative Commons Attribution License (CC BY). C HA hydrogels containing Rg1-loaded chitosan microspheres, which facilitate cell adhesion and biomineralization during pulp regeneration [202]. Copyright 2021, Elsevier Ltd. License Number:5620821005661. D Biocompatible RSFMA/HAMA composite hydrogel, which supports the proliferation and differentiation of human dental pulp stem cells. The addition of RSFMA improves the regularity of the pore size and the mechanical properties of the scaffold [69]. Copyright 2022, Elsevier B.V. License Number: 5620821448137