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Table 2 The distribution of the dental implants in the upper arch for each complete prosthesis

From: Extra-short implants (≤ 6.5 mm in length) in atrophic and non-atrophic sites to support screw-retained full-arch restoration: a retrospective clinical study

Implant positiona

Prosthesis

Total

1

2

3

4

5

11

1

1

1

1

1

5

12

1

0

0

0

0

1

13

0

0

1

1

1

3

14

1

1

1

1

0

4

15

0

0

0

0

1

1

17

1

1

1

1

1

5

21

0

1

0

1

1

3

22

1

0

1

0

0

2

23

0

0

1

1

1

3

24

1

0

1

1

0

3

25

0

1

0

0

1

2

27

1

1

1

1

1

5

Total

7

6

8

8

8

37

  1. aImplant position was defined following the FDI tooth numbering system