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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: J Endod. 2013 Aug 31;40(2):255–260. doi: 10.1016/j.joen.2013.07.009

Figure 1.

Figure 1

(A) Direct evaluation of the effect of test cements (N = 12) on viability of MDPC-23 cells using XTT assay at different time points (first, second and third weeks after retrieval from growth medium). (B) Indirect evaluation of the effect of eluents (N = 12) extracted from the test cements using XTT assay at varying eluent dilutions (1:1, 1:5, and 1:10). For each chart, groups connected with a horizontal bar are not significantly different (P > 0.05). Values are expressed as percentages of the dehydrogenase activities of the untreated cells (negative control).