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Scanner for 3D measuring the teeth contour

Goal was the development of a mini-projector and a record train to measure teeth contour on the principle of “Moire”.

 

Hereby a raster of constants is being projected onto an object. A raster is also attached to the CCD-sensor, which, with the correct alignment, creates an interference pattern. After signal processing, data is obtained from the 3D object. This 3D surface measurement technique is employed by clinics and allows them to non-intrusively measure teeth after grinding.

 

Client: OraMetrix

 

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