prEN ISO 20896-1 rev

Dentistry - Digital impression devices - Part 1: Methods for assessing accuracy prEN ISO 20896-1 rev

Scope

This document specifies test methods and procedures for assessing the accuracy of a three dimensional numerical description of intra-oral surfaces acquired directly from a patient with a hand-held scanning device. The test methods are not applicable to ultrasonic, radiographic or magnetic resonance imaging methods.
NOTE ISO 12836 specifies the test methods for the assessment of accuracy of digitizing devices that use a fixed or a mechanically guided scanning device.