Functionalization of 3D printed PLGA-based scaffolds for bone regeneration

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Orthopedic Surgery

Background:

• Bone defects present significant challenges in clinical orthopedics due to their complex nature.
• Poly (lactic acid-co-glycolic acid) (PLGA) offers promising biocompatibility and tunable biodegradability for artificial bone grafts.
• 3D printing technology enables the fabrication of custom-shaped scaffolds for precise bone defect restoration.

Purpose of the Study:

• To review the physicochemical properties of PLGA and 3D printing techniques for bone defect repair.
• To elaborate on strategies for enhancing the osteogenic performance of 3D printed PLGA scaffolds.
• To discuss current challenges and future perspectives for clinical applications of these scaffolds.

Main Methods:

• Literature review focusing on PLGA properties and 3D printing technologies.
• Analysis of various methods to improve the bone-forming capacity of PLGA scaffolds.
• Synthesis of information on clinical translation hurdles and future research directions.

Main Results:

• PLGA exhibits favorable characteristics for bone tissue engineering applications.
• 3D printing allows for the creation of intricate PLGA scaffolds tailored to specific bone defects.
• Several strategies exist to augment the osteogenic potential of these scaffolds, though challenges remain.

Conclusions:

• 3D printed PLGA scaffolds are a viable option for bone defect repair.
• Further research is needed to overcome challenges related to clinical implementation and long-term efficacy.
• Optimizing osteogenic performance and addressing manufacturing complexities are key for future success.