Figure 1. Morphological observations of periodontal ligament cells exposed to the cement eluates (3-day set, 1:8) for 24 hours (inverted microscopy, ×10). (A) Cell control; (B) intermediate restorative material (IRM); (C) Vitrebond; (D) Smart Dentin Replacement (SDR); (E) Dyract Compomer; (F) polymethylmethacrylate (PMMA) bone cement; (G) ProRoot mineral trioxide aggregate (PMTA); (H) Micro-Mega mineral trioxide aggregate (MM-MTA); (I) Biodentine.
