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Figure 4

From: Trace elements can influence the physical properties of tooth enamel

Figure 4

XRD, FTIR spectrums and SEM micrograph of Vicker’s microindentation on tooth enamel samples. (a) XRD spectrum of tooth enamel powder, (b) FTIR absorbance spectra of tooth enamel samples normalized to absorbance peak of ν3PO4 at 1013 cm-1(arrows show the peaks that used for the calculation of carbonate content), (c) SEM micrograph of Vicker’s microindentation on enamel (cracks are shown by arrows on the corners of indentation).

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