Zagacki, D., P. Pietryka, M. Ratajek-Gruda, and A. Janas-Naze. “Relict Root Left in the Mandible After Extraction of the Teeth 35 As a Causative Agent of the Inflammation Process in the Region of Mental Foramen of the Mandible”. Journal of Education, Health and Sport, vol. 11, no. 8, Aug. 2021, pp. 361-8, doi:10.12775/JEHS.2021.11.08.040.