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Copyright ©The Author(s) 2019.
World J Stomatol. Feb 20, 2019; 7(2): 20-27
Published online Feb 20, 2019. doi: 10.5321/wjs.v7.i2.20
Table 1 Ion content in % of the enamel of first primary molar at different areas
Normal enamelDemarcated opacitiesBreakdown of enamel
Carbon17.61%23.30%50.79%
Oxygen22.76%35.24%31.21%
Phosphate14.74%13.33%5.36%
Calcium44.87%26.46%12.64%