PMC3619038_01
Pre-operative panoramic radiograph: Note a titanium zygomatic plate that was previously placed and unrelated to this case report.
amjcaserep-14-43-g001.jpg
PMC3619038_01_amjcaserep-14-43-g001.jpg
f1-amjcaserep-14-43
Radiographic examination, using panoramic (Figure 1) and periapical radiographs (not shown), revealed a bony defect in the area of tooth #4 and the retained root of the canine.
Post-operative panoramic radiograph immediately after tack displacement. The displaced tack is indicated by black arrow, while the non-displaced tack is indicated by a white arrow. Note the right maxillary canine area, where socket preservation was performed following extraction of the canine root.
amjcaserep-14-43-g002.jpg
PMC3619038_01_amjcaserep-14-43-g002.jpg
f2-amjcaserep-14-43
AL) was secured through the membrane to the underlying bone mesial to tooth #3 (Figure 2; white arrow). A second tack placement was attempted for membrane fixation at the edentulous area corresponding to the apical area of tooth #4. They revealed that the tack had drifted distal to the first molar area (Figure 2; black arrow). However, the location of the titanium tack lost during GBR procedure (Figure 2; black arrow) was not evident.
Post-operative (8-week) CBCT. (A) Axial view of CBCT demonstrating view of interest. (B) Panoramic view of CBCT: non-displaced tack (white arrow). Tack superiorly to sinus is a titanium zygomatic plate previously placed and unrelated to this case report. (C-E) Coronal views demonstrating the non-displaced tack (white arrow in blue box) and a clear, open ostium (white arrow in red box). The displaced tack was not seen on these CBCT images.
amjcaserep-14-43-g003.jpg
PMC3619038_01_amjcaserep-14-43-g003.jpg
f3-amjcaserep-14-43
The patient returned in 8 weeks for a CBCT. The CBCT (Figure 3) revealed that the maxillary sinus was clear with wide opening of the ostium (Figure 3D; white arrow). He could only identify the tack located mesial to tooth #3 (Figure 3E; white arrow), which was positioned in the right-anterior-inferior-lateral portion of the maxillary sinus.