Radiography Archives - Page 6 of 6

A dental radiograph presented as framed fine art on a gallery wall, its background deep true-black

08 Feb The Photon-Counting Detector: A New Physics Beneath the Radiograph

Posted at 10:12h in Dental Imaging by Raymond 0 Comments

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For a hundred years the dental radiograph has been an average — a blur of charge summed across an exposure. The photon-counting detector refuses to average. It counts each X-ray individually, and in doing so quietly rewrites what a diagnostic image can be....

A dimensionally faithful dental periapical radiograph presented as framed fine art on a gallery wall

07 Feb The Geometry of an Honest Radiograph: Paralleling, the Bisecting Angle, and the Truth About Length

Posted at 10:12h in Dental Imaging by Raymond 0 Comments

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A dental radiograph looks like a photograph, but it is really a measurement — a shadow cast by an X-ray beam onto a flat receptor. Whether that shadow reports a root's true length or a convincing lie depends almost entirely on geometry, and on the...