Figure 2. Effects of different composite resin extracts (KaloreTM and Filtek™ Silorane, light-cured and non-light-cured) on the release of TNF-α by cultured murine RAW 264.7 macrophages, as assessed by ELISA after incubation periods of 6 (A, B), 12 (C, D), and 24 (E, F) h. Statistically significant differences (p<0.05) in relation to the control group (macrophages incubated in culture medium only) are indicated by *.