In the presented study the results of the complex conservative and surgical periodontological treatment using Bio-Oss implant material and the regenerative Bio-Gide collagen membrane by Geistlich company were subjected to clinical and radiological evaluation. The measure depth of the periodontal pockets PPD was subjected to evaluation, the level of the epithelial attachment CAL and the defect of bone of the alveolar process were observed on radiograms. In all patients the state of oral cavity hygiene was examined using the index of API bacterial plaque and the percent of SBI index of bleeding gingiva. The analysis of the examined parameters concerned the period before surgeries and 8 to 12 months after the surgeries of the guided tissue regeneration. On the basis of the conducted research and the statistic analysis, the reduction of the periodontal pockets depth and the reconstruction of the attachment.