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
Origin of bone graft
No bone graft
Linea obliqua
Iliac crest
Scapula flap
Perforation group
15
16.3%
22
23.9%
55
59.8%
0
0%
Control group
54
65.1%
11
13.3%
13
15.7%
5
6.02%