Table 1.

Group epithelial thicknesses at 3, 7 and 14 days postoperatively

Group	Epithelial thickness (µm)
	Day 3	Day 7	Day 14
Control	13.00 ± 2.16	126.6 ± 13.99	22.68 ± 4.30
Vaseline	14.93 ± 3.09	33.2 ± 8.33*	16.93 ± 0.83
PVA	14.03 ± 1.93	135.5 ± 23.12	21.47 ± 4.66
PVA-nanocellulose	35.00 ± 5.39	41.60 ± 6.14***	26.40 ± 6.21

PVA, polyvinyl alcohol.

^* P < 0.05 compared with the negative control group.

^** P < 0.05 compared with the PVA group.