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Lu, et al.
References [46-50] [51-57] [58-62] [63-72]
Disadvantages Material limitation; few soft polymer powders Low speed; low resolution Clogging of the printing head; expensive setup Material limitation; require an UV source
High material utilization rate; no support material High simplicity; capability to print compositional Applicable for wide range of biomaterials; ability to High resolution; suitable for many photocurable polymers; raw material
Advantages required gradients print multi-material base is fluid
Potential to print bolus Poor Poor Poor Poor Fair Poor Good Good
Suitable materials Powdered materials Thermoplastic polymers Pseudoplastic polymer fluids Polymer fluids with low viscosity Photopolymers with low viscosity including photoresin and photohydrogen
Building speed ** ** ** *** *** * **** *****
Resolution >100 μ1 >100 μ1 1-100 μ- >10 μ1 >5 μ5 >100 nm >5 μ5 >100 μ1
Table 2. Comparison of printing methods for bolus
Methods SLS FDM DIW Inkjet printing SLA TPP DLP CLIP
Categories Powder bed fusion Material extrusion Material jetting Photopolymerization
International Journal of Bioprinting (2021)–Volume 7, Issue 4 33
