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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Dent Mater. 2017 Dec 6;34(3):389–399. doi: 10.1016/j.dental.2017.11.020

Figure 7.

Figure 7

Cell viability of 3D GelMA hydrogels encapsulating OD21 cells after exposure to DL and UV and cultured in vitro for 1, 3 and 5 days. Cell viability increased after 5 days in vitro culture (A). Representative uorescent images of OD21 cells stained for live (blue) and dead (green) cells on day 5 (DL images B to E, UV images F to H). UV 5s did not polymerize. p<0.05 (*), p<0.01(**), p<0.001(***), p<0.0001(****).