## 4 Discussion
HA's ability to remineralize enamel without changing its natural structure makes it perfect for non-invasive caries management. [PERSON] highlighted that biomimetic materials such as nHA can prevent caries progression and strengthen enamel without extensive restorations [24]. The findings of this study support HA's role in minimally invasive dentistry by providing natural enamel repair, particularly for high-risk populations such as children, elderly individuals, and patientswith compromised enamel. [PERSON] et al. observed that enamel wear is significantly exacerbated under erosive conditions, particularly with antagonistic ceramic materials, which exert high mechanical forces on softened enamel [65]. In this study, HA-treated enamel demonstrated reduced wear and improved microhardness under simulated acidic conditions, suggesting that HA can mitigate enamel wear while preserving structure. This aligns with the protective effects observed by [PERSON], who noted that HA-based applications provide resistance to acidic conditions and mechanical wear [18]. Comparisons with glass ionomer cement also indicate that HA, unlike fluoride-releasing materials, does not degrade over time, making it an effective long-term solution. Incorporating HA-based products into routine oral hygiene can shift preventive dentistry's focus from solely controlling acid production to actively restoring and preserving enamel integrity. The preventive benefits of HA are increasingly relevant given the global rise in caries prevalence and dietary habits contributing to erosion. Regular HA-based treatments offer a proactive approach to maintaining enamel health, reducing the need for restorations, and extending the functional life of natural teeth. This study's findings provide valuable insights into the microstructural effects of Mentadent Professional Resilience on enamel as observed through SEM analysis [16; 25; 29; 31; 37; 46; 57; 68]. This study's findings have practical implications for selecting dental care products. Mentadent Professional Resilience demonstrated a high degree of remineralization, as suggested by the SEM analysis, which might effectively prevent dental caries and maintain enamel integrity. This is particularly relevant for individuals at higher risk of dental erosion and caries [69; 70]. These findings can guide consumers and dental professionals in making informed choices about oral care products, ultimately contributing to better dental health outcomes. A conscious choice of these products could be decisive for reducing the risk of long-term dental diseases, improving patients' quality of life, and reducing the costs associated with dental care. Furthermore, this research adds to the growing body of knowledge regarding the microstructural aspects of enamel health, offering new perspectives for dental researchers and clinicians. While this study provides valuable insights, it is not without limitations. The in vitro nature of the study means that the results may not fully replicate the complex conditions of the oral environment. Future research could involve in vivo studies to confirm these findings and explore the long-term effects of these products on dental health. Additionally, investigating the specific chemical mechanisms behind the observed remineralization effects could further enhance our understanding of how different formulations impact enamel health.