Accidental Displacement of Dental Implants Into Both Maxillary Sinuses During Surgery

Figure 1. Axial cone-beam computerized tomography (CBCT) scan showing the presence of implants displaced into the maxillary sinuses. Figure 2. Sagittal CBCT scan showing the presence of an implant displaced into the right maxillary sinus. Figure 3. Sagittal CBCT scan showing the presence of an implant displaced into the left maxillary sinus. Figure 4. 3D image of CBCT scan showing the presence of implants displaced into the both right and left maxillary sinuses bilaterally.

Figure 5. (a, b) Removal of the implants with intraoral approach from right and left maxillary sinuses. (c) The implants after removal. Figure 6. (a, b) Biocollagen membrane was placed in the perforated regions.