Fig. 6. Postoperative radiographs showing that the resorbable barrier membrane, which was internally fixed and stabilized by a titanium screw, maintained its proper position and prevented the loss of graft material into the sinus cavity. Panoramic radiograph (A) and cone-beam computed tomography (B) images showing the titanium fixation screw at the medial bony wall of the sinus.

J Korean Assoc Oral Maxillofac Surg 2023;49:297~303
https://doi.org/10.5125/jkaoms.2023.49.5.297

© JKAOMS