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

Table 3

Mean values of PDL thickness in the teeth of Wistar rats after 60 days of CaO-NP administration at different dosages (25, 50, and 100 mg/kg) and the nontreated control group.

Groups	Control	25 mg/kg	50 mg/kg	100 mg/kg
Number of thickness data	12	12	12	12
Mean thickness (µm)	307.6^a	336.3^a,c	392.3^b	354.8^b,c
Std. deviation (µm)	58.62	32.71	43.80	26.78
Std. error (µm)	16.92	9.444	12.64	7.732
Minimum (µm)	195.0	292.0	313.0	324.0
Maximum (µm)	409.0	374.0	440.0	414.0

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