“A Comparison of Yogurt and Probiotic Supplements Effects on the Hardness of Tooth Enamel: An In Vitro Study: Perbandingan Pengaruh Yogurt Dan Suplemen Probiotik Terhadap Kekerasan Enamel Gigi: Studi in Vitro”. 2022. Dentika: Dental Journal 25 (2): 72-77. https://doi.org/10.32734/dentika.v25i2.8575.