Research Article

Studying Effects of Calcium Oxide Nanoparticles on Dentinogenesis in Male Wistar Rats

Figure 5

Bar chart showing mean values of the number of blood vessels in the dental pulp of Wistar rats after 60 days of CaO-NP administration at different dosages (25, 50, and 100 mg/kg) and the nontreated control group. Horizontal lines connecting two bars indicate statistical significance ().