Due to the rapid development of scientific and technological progress, there are new methods of connecting tissues and ceasing bleeding. The fact that surgical interventions in the oral cavity are potentially infectious, they cause postoperative complications. Important aspects of each intervention in oral surgery are minimally invasive, speed, quality and ergonomics of each technical element of the operation. Accordingly, the result of surgical treatment will depend on the chosen technique. The purpose of the work was to study the influence of different methods of connection and hemostasis on the oral mucosa, to investigate the advantages and disadvantages of each method. Material and methods. We examined and treated 40 patients of different sex aged 55-63, who were in the stage of surgical preparation for prosthetics with removable dentures and required removal of the sharp edges of the jaw bone. An open alveolectomy operation was performed and divided patients into 4 groups with 10 people in each group. The main group (radio frequency electric welding) and three control groups were selected. The first group had suture (Polyamide 3/0 seams), the 2nd group had suture (Polyester 3/0 seams) and the 3rd group had medical adhesive composition («Tisuacryl»). To determine the intensity of pain, a visual analog scale was chosen. The intensity of wound healing was assessed according to the REEDA scale and local thermometry. Statistical data processing was performed using the program STATISTICA 13, the difference was considered significant with a probability of statistical error p ≤ 0.05. Results and discussion. On the 3rd day, the reliability of the score relative to pain in the main group was 1.0±0.5 (p <0.05) in relation to the control group 1, 2.5±0.5 (p <0.05) in relation to the control group 2 and 0.5±0.5 (p <0.05) in relation to the control group 3. According to the indicators of wound healing, it was found that for 3 days after the intervention according to the REEDA scale, the total score in the main group was significantly different and amounted to 5.0±0.5 (p <0.05) compared to the control group 1.9±0.5 (p <0.05) compared to the control group 2, and 1±0.5 (p <0.05) compared to the control group 3. This indicated the advantage of the connection method and hemostasis, which was used in the main group. The lowest total score corresponded to the speed of healing and the course of the wound processing. In the main group it was 7 points (16%), in the comparison group 1 it was 12 points (28%), in comparison group 2 it was 16 points (37%) and in group 3 it amounted to 8 points (19%). Conclusion. According to the results of the study, the method of radio frequency electric welding and adhesive medical composition had the best indicators of wound healing and the postoperative period in comparison with suture materials.
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