3/5/2023 0 Comments Autodesk impressions download![]() ![]() The SI-derived and the IOSs-derived models were superimposed onto the RVM, to evaluate trueness. Based on the RVM, an SI (custom tray consisting of hollow cylinders connected by a bar) was fabricated and used to capture a physical impression of the model from this, a second gypsum model was derived and scanned with a desktop scanner (D15®). A type-IV gypsum model of a completely edentulous patient with 8 implant scanbodies (SBs) was scanned with a desktop scanner (7Series®) to obtain a reference virtual model (RVM), and with two IOSs (CS 3700® and Emerald S®). To assess the trueness of a solid index (SI) in the full-arch (FA) implant impression, and to compare it with that of two intraoral scanners (IOSs).
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