Figure 1.

Effects of various membranes on proliferation of human gingival fibroblasts (HGF) after 1, 2.5, 4, 24 and 48 h. Cells were incubated in the presence of 10% Alamar Blue. Fluorescence was measured in a microplate fluorescence reader, and is presented as relative fluorescence units (RFU). CD: culture dishes; BG: BioGide^®; RD: Resodont^®; TD: TutoDent^®; TG: TefGen-FD^®; CT: Cytoplast^®; AC: ACE.