Table 1 Types of dental laboratory scanners, industrial 3D scanners, and CMMs used in the cited references and their accuracy

 Activity 880 scanner

Smart Optics

Amin 2016 [23]

Marghalani 2018 [9]

Precision: 10 μm

 D-250(3Shape)

3 Shape

Flugge 2016 [15]

2 μm

 Freedom UHD®

DOF

Mangano 2019 [24]

5 μm

 Iscan D103I

Imetric

Papaspiridacos 2016

6 μm

 Iscan D104I

Imetric

Mangano 2016 [25]

Trueness < 5 μm, Precision < 10 μm

 Lava Scan ST scanner

3M

Andriessen 2014 [20]

Lee 2015

Not found

 ATOS Compact Scan 5M

GOM

Arcuri 2019 [26]

 ATOS Core 80

GOM

Alikhasi 2018 [19]

Nedelcu 2018 [8]

Precision 4 μm (Alikhasi 2018) [19]

Precision 0.6 μm (Nedelcu 2018) [8]

 Infinite Focus Standard

Alicona Imaging

Ender 2013

Trueness 5.3 ± 1.1 μm, Precision of 1.6 ± 0.6 μm (Ender 2013)

Manufacturer’s information: Trueness 0.5 μm, Precision 0.1 μm

 ScanRider

V-GER

Imburgia 2017 [27]

Trueness 5–10 μm, Precision 15–30 μm

 stereoSCAN neo

AICON 3D Systems

KimRJY 2019 [28]

Coordinate measuring machine (CMM)

Maximum error (L = Length: mm)

 CONTURA

Zeiss

Kim 2019

Trueness: 1.5 + L/350 (Manufacturer’s information: Truness 0.7 μm, Precision 0.55 μm (Kim 2019)

 Crista-Apex

Mitutoyo

Gimenez 2015 [18]

Gimenez 2017

Gintaute 2018 [29]

Trueness: 1.9 + 3L/1000 μm

 Crista Apex S

Mitutoyo

Menini 2017

Trueness: 1.9 + 3L/1000 μm

 DEA Mistral

Brown & Sharpe

Alikhasi 2018 [19]

Trueness: 3.5 + L/250 μm

 Edge ScanArm HD

FARO

Sami 2020 [30]

Trueness: 25 μm, Precision: 25 μm

 Global Silver Performance 7.10.7

Brown & Sharpe

Chia 2017 [31]

Tan 2019 [10]

Trueness: 1.9–2.0 μm

 Leitz PMM 12106

Zeiss

Van der Meer 2012 [13]

Trueness: 0.3 μm, Precision: 0.1 μm

 SmartScope Flash, CNC 300

Optical Gaging Products

Di fore 2019

Trueness: 2.8 + 5 L/1000 μm

 UPMC 550-CARAT

Zeiss

Ajioka 2016 [14]

Fukazawa 2017 [12]

Trueness: 0.8 + L/600 μm