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Table 2 Characteristics of the included studies

From: Accuracy of digital implant impressions obtained using intraoral scanners: a systematic review and meta-analysis of in vivo studies

Study (author and year)

Edentulous

Implant

Jaw

System

No.

Position

Connection

Rhee 2015 [42]

Single tooth loss

NA

1

36, 46

External

Internal

Mandible

Mühlemann 2018 [43]

Single tooth loss

Straumann RN

1

14–17,24–27,34–37,44–47

Internal

Maxilla

Mandible

Alsharbaty 2017 [44]

Partial

Dentium

2

Posterior region

Internal

NA

Gedrimiene 2019 [45]

Partial

AnyOne

2

Posterior region

NA

NA

Jiang 2019 [46]

Partial

Camlog Screw-Line

2 ~ 4

17–15,25–27,37–47

NA

Maxilla

Mandible

Andriessen 2014 [30]

Complete

Straumann RN

2

NA

Internal

Mandible

Chochlidakis 2020 [47]

Complete

Straumann, BLT

4 ~ 6

NA

Internal

Maxilla

Gherlone 2015 [48]

Complete

Winsix

4

NA

NA

Maxilla

Mandible

Gherlone 2016 [49]

Complete

IDI Evolution

4

NA

NA

Maxilla

Mandible

Cappare 2019 [50]

Complete

CSR

6

NA

NA

Maxilla

Study (author and year)

Sample size

Impression

Operator

Scan body

IOS device

Convention

Level

Rhee 2015 [42]

24

Dual-arch; full arch

Implant

NA

3Shape;

Raphabio

Trios mono cart

Mühlemann 2018 [43]

5

Closed-tray

Implant

One

Straumann

iTero Cadent

;Lava True Definition;Trios

Alsharbaty 2017 [44]

36

Open-tray; closed-tray

Implant

One

Dentium

Trios

Gedrimiene 2019 [45]

24

Splinted open-tray

Implant

NA

NA

Trios 3

Jiang 2019 [46]

34

Splinted open-tray

Implant

NA

Camlog

Trios

Andriessen 2014 [30]

25

NA

Implant

One

Straumann

iTero Cadent (software version 3.5.0)

Chochlidakis 2020 [47]

16

Open-tray

Abutment

NA

Straumann

True Definition

Gherlone 2015 [48]

14

NA

NA

NA

NA

Lava COS (software version 2.1)

Gherlone 2016 [49]

30

Open-tray

NA

NA

NA

Trios

Cappare 2019 [50]

50

Splinted open-tray

NA

One

CSR

CS 3600 (software version 3.1.0)

  1. NA, not applicable