The monograph provides experimental and clinical justifications for some of the influence of various types of permanent dentures on the dental status of patients with periodontal diseases .. The author's designs of dentures are presented and methods of their practical application are described. The results of the practical use of the described methods allow optimizing the choice of permanent dentures as therapeutic agents and justify rational approaches in the complex therapy of periodontal diseases. Also presented are some measures for the rehabilitation of patients with periodontal diseases who have previously received specific orthopedic treatment. The monograph is of interest to practicing dentists. Designed for students, graduate students, applicants and teachers of dental faculties of medical universities, researchers and specialists in the field of biomechanics, trauma doctors .