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  Indian J Med Microbiol
 

Figure 1: Values (means) of cross-sectional microhardness (y-axis) versus depth for enamel blocks (x-axis) previously demineralized. ΔZ values were obtained from the 40-μm depth

Figure 1: Values (means) of cross-sectional microhardness (y-axis) versus depth for enamel blocks (x-axis) previously demineralized. ΔZ values were obtained from the 40-μm depth