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

Table 1

Mean values of predentin thickness in the teeth of Wistar rats after 60 days of CaO-NP administration at different dosages (25, 50, and 100 mg/kg) and without any nanoparticle administration (control group).

Groups	Control (0 mg/kg)	25 mg/kg	50 mg/kg	100 mg/kg
Number of thickness data	12	12	12	12
Mean thickness (µm)	9.00^a	25.92^b	25.92^b	84.25^c
Std. deviation (µm)	6.50	7.73	9.84	24.20
Std. error (µm)	1.879	2.232	2.843	6.987
Minimum (µm)	0.0	16.00	12.00	48.00
Maximum (µm)	18.0	38.00	51.00	121.00

^a–cDifferent letters indicate statistical significant differences ().