“…Therefore, the use of calcium phosphate‐containing agents has been recently introduced as a preventive method, for example, the application of calcium phosphate powders/chewing gums/varnishes, specifically and casein phosphopeptide amorphous calcium phosphate complexes (CPP–ACP, e.g., GC tooth mousse™) (Meyer‐Lueckel et al, 2015 ) and Remin Pro® (Nourolahian et al, 2021 ). Different studies on the application of CPP‐ACP, that is, GC tooth mousse™ in the current study, have shown to cause an increase in calcium/phosphorus (Ca/P) ratio in tooth enamel (Mettu et al, 2015 ), slow progress of caries in initial lesions (Llena et al, 2009 ), and potential enamel remineralization capability (Pirca et al, 2019 ). Moreover, CPP‐ACP and fluoride have demonstrated a possible synergistic effect against caries associated with an increased remineralization ability in superficial carious lesions (Bayrak et al, 2017 ).…”