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Table 1 Distribution of implant positions

From: Impact of surgical management in cases of intraoperative membrane perforation during a sinus lift procedure: a follow-up on bone graft stability and implant success

Implant position

3

4

5

6

7

8

Perforation group

7

7.6%

23

25.0%

27

29.4%

30

32.6%

5

5.4%

0

0%

Control group

9

10.8%

20

24.1%

25

30.1%

21

25.3%

7

8.4%

1

1.2%