Quantitative Measurements of the Depth of Enamel Demineralization before and after Bleach: An In Vitro Study

Table 1

Mean and standard deviation of sound enamel and bleached enamel ().

	Distilled water	Saliva	First session	Second session	Third session
Mean	21.81	14.2	23.81	18.37	18.04
SD	4.64	1.5	4.52	3.50	3.12