Is Hydroxyapatite the Same as Calcium Carbonate? A Comprehensive Comparison
                                
                                
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                                    4 min read                                
                            
                                Over 97% of human tooth enamel is composed of hydroxyapatite, a natural mineral that gives teeth their strength and structure. Despite both containing calcium, hydroxyapatite is not the same as calcium carbonate, a common supplement and abrasive found in many oral care products.