Three-dimensional bioactive hydrogel-based scaffolds for bone regeneration in implant dentistry

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Tissue Engineering

Background:

• Bone healing involves complex cellular signaling and requires effective regeneration of lost tissue.
• Bioactive scaffolds can improve bone healing by acting as osteoconductors and osteoinducers.
• Hydrogel-based biomaterials are promising for bone regeneration but face clinical application challenges.

Purpose of the Study:

• To review current literature on bioactive hydrogel-based scaffolds for bone tissue regeneration.
• To explore cell-based therapies and 3D bioprinting in bone regeneration.
• To identify key challenges hindering clinical application of these technologies.

Main Methods:

• Literature review of scientific publications on bone regeneration using hydrogel scaffolds.
• Analysis of studies on cell-based therapies and 3D bioprinting for bone repair.
• Identification and consolidation of challenges in clinical translation.

Main Results:

• Various scaffold compositions, technologies, and signaling molecules show promise for osteoblastic differentiation.
• Hydrogel scaffolds offer potential for bone regeneration but require further development.
• Cell-based therapies and 3D bioprinting are advancing bone regeneration strategies.

Conclusions:

• Bioactive hydrogel scaffolds, cell therapies, and 3D bioprinting are advancing bone regeneration.
• Overcoming challenges in material properties, vascularization, and clinical translation is crucial.
• Further research is needed to bridge the gap between laboratory findings and clinical applications for effective bone defect repair.