Akhmedov, A.B. 2022. Comparative Analysis of the Effectiveness of Methods of Treatment with Apexification Ca (On) 2 and Rutdent Channel Filler in the Treatment of Periodontitis of Permanent Teeth without Root Formation. INTERNATIONAL JOURNAL OF HEALTH SYSTEMS AND MEDICAL SCIENCES. 1, 5 (Nov. 2022), 112–116. DOI:https://doi.org/10.51699/ijhsms.v1i5.351.