Table 2b.

The increase in root width in millimeters and the percentage of the PRP and PRF groups during the four evaluation periods.

	PRP group (mean ± SD)	PRF group (mean ± SD)	p-value
3 months (mm, %)	0.153 ± 0.128 (6.03% ± 5.03%)	0.19494 ± 0.172 (7.9% ± 6.2%)	0.47
6 months (mm, %)	0.445 ± 0.41 (18.05%±17.45%)	0.474 ± 0.299 (19.97% ± 12.08%)	0.503
9 months (mm, %)	0.739 ± 0.56 (29.65%±23.9%)	0.73517 ± 0.34 (30.77% ± 13.26%)	0.503
12 months (mm, %)	0.97 ± 0.75 (39.27% ± 32.04%)	1.003 ± 0.392 (42.37% ± 16.49%)	0.574

*Significant at P-value < 0.1.

**Highly significant at P-value < 0.05.

SD = Standard Deviation