Dentistry - Digital impression devices - Part 1: Methods for assessing accuracy
STANDARD published on 1.4.2020
Designation standards: ČSN EN ISO 20896-1
Classification mark: 856054
Catalog number: 509311
Publication date standards: 1.4.2020
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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