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Table 1 Selected papers with all data extracted

From: Indications for zygomatic implants: a systematic review

Author/year

Study design

Sample size

Number of ZI

Number of CI

Follow-up (months)

Mean age

ZI survival rate (%)

Classification

Indications

Zygoma concept

Loading protocol

Extreme bone resorption

Avoid graft

Medical considerations

Previous unsuccessful treatment

Cleft palate

Cancer

Unilateral

Bilateral

Quad zygoma

Conventional

Immediate

Becktor et al., 2005

Retrospective

N = (16) n = (15)

30

74

46.4 (9–69)

 

94.3

Cawood and Howell

 

10

1

4

   

15

 

16

 

Ahlgren et al., 2006

Retrospective

13

25

28

35 (11–49)

59 (49–73)

100

No

5

 

1

7

1

 

1

12

 

13

 

Landes et al., 2009

Retrospective

15

36

24

64.2 (13–102)

58 (24–79)

89

No

  

15

 

3

10

7

7

1

15

 

Stiévenart et al., 2010

Retrospective

N = (20) n = (19)

76

 

12

56 (35–75)

96

Lekholm and Zarb

 

19

      

19

10

9

Muñoz et al., 2017

Retrospective

10

40

 

24

57.7 (41–78)

100

No

7

  

3

    

10

 

10

Atalay et al., 2017

Retrospective

16

32

38

28 (6–96)

53 (23–68)

93.7

Cawood and Howell

10

 

6

  

5

   

16

 

Davó et al., 2018

RCT

35

128

13

12

58 (43–74)

96.9

No

35

       

35

 

35

Blanc et al., 2020

Retrospective

25

76

64

18.6 (12–26)

 

100

Cawood and Howell

19

 

2

4

1

1

4

7

14

 

25

D'Agostino et al., 2021

Retrospective

42

116

70

60 (12–162)

54 (24–76)

97.4

Cawood and Howell

31

 

3

8

2

  

26

16

35

6

Laventure et al., 2022

Retrospective

N = (22) n = (19)

63

27

36.2 (13–103)

63 (46–80)

97.3

Cawood and Howell

11

  

8

   

7

12

 

19

Total

 

209

622

338

28.5 (12–162)

57.2 (24–80)

97 (89–100)

 

118

29

5

34

7

16

12

74

107

105

104

  1. ZI zygomatic implants, CI conventional implants, N total sample, n remaining patients after exclusion of any patients