TABLE 1.

Porosity and pore size of 3D printed titanium scaffold for bone regeneration (pore size is expressed as range or average pore size).

Fabrication technique	Pore size range	Porosity	Type of study	Optimum pore size	References
SLM	500–1200 μm		In vivo	500 μm	Fukuda et al. (2011)
SLM	300 μm, 600 μm, 900 μm	65%	In vivo	600 μm	Taniguchi et al. (2016)
SLM	700 μm	orientated perpendicularly in all three spatial directions	In vivo	700 μm	Wieding et al. (2015)
SLM	400 μm, 700 μm, 900 μm	70%	In vivo	600–700 μm	Zhang et al. (2022)
				70%–90%
EBM	800 μm, 900 μm, 1000 μm	86.30%–94.22%	In vitro	1000 μm	Wang et al. (2021a)