In Vitro Study of Tetracycline Penetration into the Enamel and Dentin of the Tooth by Fluorescence Spectroscopy. J-BPE [Internet]. 2023 Dec. 30 [cited 2026 Sep. 25];9(4):040309. Available from: https://jbpe.ssau.ru/index.php/JBPE/article/view/9015