Table 2.

Compositions and pore characteristics of bioactive glass scaffolds (Legend to Fig. 4)

Methold	Symbol	Reference	Glass system	Pore size (µm)	Porosity (%)
Sol-gel		Jones [72]	70S30C: SiO2-CaO	100–500	82–88
Thermally bonding of particles, fibers or spheres		Vitale Brovarone [74]	SCK: SiO2-CaO-K2O	100–150	60–62
		Fu[76]	13–93: SiO2-Na2O-K2O-MgO-CaO-P2O5	100–300	40–45
		Vitale Brovarone [78]	CEL2: SiO2-P2O5-CaO-MgO-K2O-Na2O	100–800	48
		Brown [79]	13–93	50–500	40–48
		Zhang [80]	A-W: CaO-MgO-SiO2-P2O5-CaF2	250–350	55–75
	*
	*	Baino [82]	Fa-GC: SiO2-CaO-Na2O-K2O-P2O5-MgO-CaF2	100–300	24–50
	*
		Bellucci [84]	Biok: SiO2-CaO-K2O-P2O5	100–500	70–80
		Wu [83]	45S5: Na2O-CaO- SiO2-P2O5	100–420	44–48
Polymer foam replication		Chen [86]	45S5	510–720	89–92
		Vitale Brovarone [87]	CEL2	100–500	70
		Chen [89]	45S5	510–720	92–94
		Fu [90]	13–93	100–500	85
		Vitale Brovarone [91]	CEL2	100–500	54–73
		Fu [92]	13–93	250–500	72
		Liu [94]	D-AlK-B: Na2O-K2O-MgO-CaO-SiO2-P2O5-B2O3	100–500	68–87
		Renghini [95]	CEL2	100–500	54
		Fu [96]	13–93	100–500	78–82
		Xia [99]	58S: CaO-SiO2-P2O5	100–500	89
Freeze casting		Fu [114]	13–93	90–110	55–60
		Liu [66]	13–93	10–160	19–60
Solid freeform fabrication		Huang [107]	13–93	100–500	50
		Fu [65]	6P53B: Na2O-K2O-MgO-CaO-SiO2-P2O5	500–1000	60–80

^*Three studies by the same research group.