digital impression Archives

A dental photogrammetry marker abutment displayed as sculpture, fine lines of light triangulating onto it from several directions

06 Sep Triangulating the Arch: How Photogrammetry Solves the Full-Mouth Implant Impression

Posted at 10:39h in Dental Imaging by Raymond 0 Comments

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For a single crown, an intraoral scanner is enough. For a full arch of implants, the errors of scanning add up across the span until the bridge no longer fits the bone it was built for. Photogrammetry answers with a different discipline entirely: it does...

A single tooth with a fine grid of luminous stripes projected across it, the lines bending over the curved surface

29 Aug Structured Light and the Stitched Mesh: How an Intraoral Scanner Turns Projected Patterns Into a 3D Model

Posted at 10:36h in Dental Technology by Raymond 0 Comments

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A digital impression looks instantaneous, but it is assembled - thousands of small optical frames, each a shard of surface, registered into one continuous mesh. Understanding how the scanner sees explains everything about where it struggles....