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Purpose: To assess the erosive potential of carbonated beve- rages and the remineralization potential of beverages with added casein phosphopeptide–amorphous calcium phosphate (CPP-ACP) paste on primary and permanent enamel. Materials and methods: A total of 32 primary and 32 per- manent enamel specimens were immersed for 5, 10, and 30 minutes, respectively, in beverages, i.e., Coke, Sprite, Mirinda, and Mountain Dew, with and without added 0.2% CPP-ACP. Samples were profiled before immersion and after immersion under laser profiler. Results: Coke was found to be highly erosive at it caused significant enamel erosion at both 10 and 30 minutes of immer- sion (p < 0.05) for both primary and permanent enamel. The 30-minute immersion caused significant amount of reminerali- zation over primary enamel in all groups, whereas permanent enamel remineralization was significant in Sprite and Mountain Dew at 30 minutes in all the groups (p < 0.05).Conclusion: This study demonstrated that enamel erosion occurred after immersion in carbonated beverages. Reminerali- zation of enamel was observed after immersion in beverages modified with CPP-ACP paste. Primary enamel was suscep- tible to remineralization compared with permanent enamel. Within the limitations of this in vitro study, the application of CPP-ACP paste may enhance the remineralization after an erosive challenge and thus offer some protection for patients who are at risk for erosion.