Zinc-Containing Hydroxyapatite Enhances Cold-Light-Activated Tooth Bleaching Treatment In Vitro

Figure 1

Physicochemical properties of Zn-HA (a) XRD pattern of Zn-HA. The diffraction pattern was analysed over 2θ range of 20°–70°. (b) The FTIR spectrum of Zn-HA. (c) Elemental chemical composition analysis using EDS.

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(b)

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