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Cytotoxicities of DABCO-containing denture base resin discs. PDL cell and GF lines or primary EPI cells were exposed to denture resin base discs containing 2% or 4% DABCO compounds or control discs and incubated for 24 h. Cytotoxicity was evaluated at 24 h. The data are representative of the results of 2 repeat experiments with 4 replicates/disc. *, statistical significance versus control discs using an unpaired Student t test. Significance was defined as a P value of <0.05.
