highly significantP <0.001
The area percentage of the collagen fibers& optical density of TNF α Semiquantitative assessment of the AP of the collagen fibers and the OD of TNF-α immunoreaction mean values in MT-stained and TNF-α immunostained tongue sections displayed a very highly significant statistical difference between the groups ( P <0.001) by using a one-way ANOVA and LSD post-hoc test.