Varakuta, O. A., and O. G. Kushch. 2020. “Features of Morpho Functional Changes in Periodontal Structures in Rats With the Presence of a Photo of a Polymer or Cement Seal”. Journal of Education, Health and Sport 10 (10):300-313. https://doi.org/10.12775/JEHS.2020.10.10.029.