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Table 2 Origin of bone graft

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%