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Manufacturing and installation of a temporary conditionally removable orthopedic structure using the analog-digital method for one-stage implantation

When installing implants, a decision is not always made on the immediate loading of the orthopedic construction due to the fear of disrupting bone integration, which can lead to the loss of the implant, therefore, they resort to the delayed loading technique, which leads to a decrease in the quality of life. Objective. Manufacturing and installation after one-stage implantation of a conditionally removable prototype of an orthopedic structure previously used by the patient using the analog-digital method. Materials and methods. The study and treatment of 26 patients who applied to the clinic «Vash Stomatolog» were carried out. To reduce the time of permanent prosthetics and improve the quality of life of patients after surgery, implantation, an analog-digital method of manufacturing temporary, conditionally removable, orthopedic structures was used using an intraoral optical scanner 3Shape Trios 3. The digital image in the form of an electronic STL file is sent to the Exocad program, where the operator makes changes and additions, including modeling the missing teeth. The digital images of the upper and lower jaws are saved in the program. Then a stereographic model of the jaws was made using the 3D-printing principle to visualize the clinical situation. On the multiunit platform, impression transfers are installed, a two-layer silicone impression is taken, which is sent to the dental laboratory for the manufacture of a plaster model and its fixation into the articulator. Temporary abutments are installed in implant analogs. The laboratory scanner has scanned the existing working model, which is fixed on the multiunit. Results. Thanks to the use of modern technological solutions, the shape of the future orthopedic structure for the patient was visualized, a temporary prosthesis was quickly manufactured and installed after the operation, in which the previous prototype was used. Conclusion. Immediate installation of a conditionally removable temporary orthopedic structure manufactured by the analog-digital method during a one-stage implantation leads to a reduction in the time of permanent prosthetics.