Table 2.

Overview of materials commonly used in the development of regenerative osteochondral scaffolds.^14–17

Scaffold classification	Material
Natural polymers	Collagen
	Gelatin
	Fibrin
	Hyaluronic acid
	Alginate
	Agarose
	Chitosan
	Silk
Synthetic polymers	Poly(ethylene glycol) (PEG)
	Poly(caprolactone) (PCL)
	Poly(lactic acid) (PLA)
	Poly(glycolic acid) (PGA)
	Poly(lactic-co-glycolic) acid (PLGA)
Bioceramics	Bioactive glasses
	Hydroxyapatite
	Calcium phosphates
Extracellular matrix	Decellularised and devitalised cartilage and bone tissue
Combination of scaffolds	Combination of materials as stated above