Table 2.

The degree of demineralization and its changes before and after treatment with different toothpastes based on the polarized light microscopic analysis

Tooth paste	Depth of lesions		Changes in depth of lesions
	Before treatment	After treatment
Calcium phosphate	101.04±11.3	48.35±13.05	−52.68±16.58
Pooneh	92.25±18.40	79.03±13.35	−13.22±14.76
Biotin	92.61±16.21	101.51±15.99	8.89±1.42
Crest	100.91±29.38	50.02±25.45	−50.89±28.15
Darougar	99.53±16.94	77.47±16.21	−22.06±21.78

&. Level of significance P≤0.05