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International Journal of Bioprinting 3D bone: Current & future
Figure 9. Material jetting-based 3D bioprinting techniques. This figure was created using BioRender.
to momentarily create a bubble in the hydrogel, the hydrogel chamber, altering its shape and exerting
resulting in the ejection of a droplet. Piezoelectric pressure on the hydrogel. 39,42
inkjet printers generate pressure using piezoelectric
crystals, where a brief voltage pulse is applied to a (ii) Electrohydrodynamic bioprinting: Similarly to
piezoelectric actuator located on the inner wall of inkjet bioprinting, the hydrogel is filled into a
Volume 10 Issue 3 (2024) 156 doi: 10.36922/ijb.2056
