Mean & SD Saline / water (10 rats) Saline /chamomile (10 rats) 5-FU / water (10 rats) 5-FU /chamomile (10 rats)
Ki-67 antigen-positive cell rate Day 8 19.20 ± 0.45 1.01 ± 0.54 0.01 ± 0.00 2.24 ± 0.195
Day 12 18.2 ± 0.67 0.11 ± 0.116 0.6 ± 0.154 0.14 ± 0.6
Bcl-2 antigen-positive cell rate Day 8 1.1 ± 0.122 1.87 ± 0.17 0.21 ± 0.05 3.2 ± 0.51
Day 12 1.36 ± 0.25 0.11 ± 0.06 0.21 ± 0.14 0.16 ± 0.08
Table 1: Immunohistochemical results of the tongue following water or chamomile extract treatment in female Albino rats post saline or 5-FU injection in the studied periods of all groups in the study.