Fig. 2. SEM image of composite resin surface after treatment. Group: 1, mineral water; 2, carbonated beverage; 3, fermented milk; 4, fermented milk+3% Ca; 5, 2% NaF+fermented milk; 6, 2% NaF+(fermented milk+3% Ca) (a: ×50,000, b: ×100,000).

J Korean Acad Oral Health 2021;45:138~144 https://doi.org/10.11149/jkaoh.2021.45.3.138

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