Research Article
MTA-Based Cements: Biocompatibility and Effects on the Gene Expression of Collagen Type 1 and TGF-β1
Figure 4
Apoptosis assay using flow cytometry after Annexin V-FITC/propidium iodide (PI) staining. Viable cells are in the lower left quadrant, early apoptotic cells are in the lower right quadrant, late apoptotic cells are in the upper right quadrant, and nonviable cells are in the upper left quadrant.