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Published on: August 5, 2021
A digital workflow using a smartphone-based photogrammetry app for capturing implant positions in complete arch fixed
Miguel Gómez-Polo1, Emilio Rodríguez-Fernández2, Solange Vasquez-Ramos3
1Associate Professor, Department of Conservative Dentistry and Prosthodontics, School of Dentistry, Complutense University of Madrid (UCM), Madrid, Spain; and Director, Postgraduate Program in Advanced Implant-Prosthodontics, Complutense University of Madrid (UCM), Madrid, Spain.
Abstract:
Complete arch implant-supported restorations require the accurate digital acquisition of implant position, soft tissue anatomy, and interarch relationships. Traditional photogrammetry systems, while accurate, are often limited by cost, equipment complexity, and lack of portability. This manuscript describes a novel scanning workflow for fabricating implant-supported prostheses in which a smartphone-based photogrammetry system (PGAPP) was used to record implant positions. The photogrammetry file was aligned automatically with the intraoral soft tissue scan through the shared geometry of the scan bodies. The technique simplified data acquisition, increased clinical accessibility, and provided a cost-effective digital alternative for fabricating complete arch implant-supported prostheses in clinical practice.
