Caries-preventing effect of a hydroxyapatite-toothpaste in adults: a 18-month double-blinded randomized clinical trial.

Front Public Health · 2023 · PMC10393266 · PMID 37533523

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a notable trendno p-value reported

A notable trend was also observed in the PCR index of the hydroxyapatite group: Unlike the fluoride group, the PCR scores in the hydroxyapatite group showed a tendency to a lowering of scores during the course of the study ( Figure 5 ).

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