Fig. 5

A representative XRD spectra of enamel surfaces of control healthy, demineralized enamel and remineralized enamel in different experimental groups after pH-cycling regimen, labelled with major peaks of HAP. B Bar chart of I₀₀₂:I₃₀₀ of remineralized enamel in different experimental groups in comparison to healthy and demineralized control groups, different letters indicate significant difference at P<0.05