A COMPARATIVE ANALYSIS OF STEREOPHOTOGRAMMETRY AND INTRAORAL SCANNING IN DENTAL PRACTICE: RESULTS OF A CLINICAL OBSERVATION

Background. A study was conducted on the clinical applicability and comparative accuracy of stereophotogrammetry (SPG) versus intraoral scanning (IOS) based on a clinical case of implant-supported prosthetic treatment for complete edentulism of the maxilla. Subject. The subject of this study is the comparative accuracy and clinical applicability of stereophotogrammetry (SPG) and intraoral scanning (IOS) in total maxillary implant-supported rehabilitation. Objective. To perform a comparative analysis of the accuracy of determining the spatial position of dental implants using intraoral scanning and stereophotogrammetry in a clinical case. Materials and methods. We retrospectively analyzed the patient’s medical records; the accuracy of photogrammetry and intraoral scanning was compared by quantitative analysis of linear and angular deviations of scan body positions. Results. A clinical case of maxillary rehabilitation with immediate placement of six implants, immediate loading with a provisional polymethyl methacrylate prosthesis, and subsequent definitive prosthodontics with a titanium-bar and zirconia framework is presented. Comparative accuracy analysis showed that stereophotogrammetry demonstrated significantly higher linear accuracy (mean deviation 35.8 μm) compared to intraoral scanning (57.7 μm), with comparable angular deviations (0.30° and 0.32°, respectively). Conclusions 1. This clinical case describes successful total rehabilitation of complete maxillary edentulism integrating immediate loading of six implants and a digital workflow based on photogrammetry. 2. Both methods (photogrammetry and intraoral scanning) possess sufficient clinical accuracy; photogrammetry is statistically more accurate, but the differences are clinically insignificant. Further studies with larger patient samples are required.