Demkovych , A., and O. Marfiian. “Changes in the Antioxidant Defense System of the Body in Periodontitis of Bacterial-Immune Genesis and Against the Background of Using Metal Crowns”. Medicni Perspektivi, vol. 30, no. 3, Sept. 2025, pp. 14-24, doi:10.26641/2307-0404.2025.3.340535.