Table 1.

The mean values and standard deviations of alive to total periodontal ligament (PDL) cells in study groups

Groups	1hour (no/unit)	3 hours (no/unit)
Egg white	59.79 ± 5.54	50.38 ± 11.31
Milk	63.82 ± 4.68	34.64 ± 26.80
HBSS	62.97 ± 8.44	60.23 ± 7.78
Propolis 50%	77.78 ± 9.22	64.00 ± 15.16
Propolis 10%	78.55 ± 3.64	79.97 ± 2.54
Positive control	80.33 ± 24.15
Negative control	3.92 ± 5.70

HBSS; Hank’s balanced salt solution.