Dental Which of the following is the main reason for resistance of enamel surface to demineralization? A Increased Phosphate content of surface layer B Decreased Magnesium content of surface layer C Increased Fluoride content of surface layer D Decreased Carbonate content of surface layer 💡 Explanation Which of the following is the main reason for resistance of enamel surface to demineralization? ✓ Correct Answer: C. Increased Fluoride content of surface layer