Table 1.

Degree of destruction of buccal epithelial cells in the groups under study.

Types of epithelial cells	The degree of destruction of epithelial cells, absolute value and relative value (in %)			$p$
	Control ($n=6$)	Erosive form ($n=15$)	Reticular and papular forms ($n=15$)
Zero type	367 (61.2%)	520 (34.7%)	810 (54.0%)	$p_{12}<0.001$, $p_{13}=0.04$, $p_{23}<0.001$
First type	111 (18.5%)	158 (10.5%)	263 (17.5%)	$p_{12}<0.001$, $p_{13}=0.588$, $p_{23}<0.001$
Second type	47 (7.8%)	42 (2.8%)	113 (7.5%)	$p_{12}<0.001$, $p_{13}=0.147$, $p_{23}<0.001$
Third type	39 (6.5%)	323 (21.5%)	180 (12%)	$p_{12}<0.001$, $p_{13}<0.001$, $p_{23}<0.001$
Fourth type	36 (6.0)	473 (31.5%)	135 (9.0%)	$p_{12}<0.001$, $p_{13}<0.001$, $p_{23}<0.001$