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International Journal of Implant Dentistry
Fig. 5 | International Journal of Implant Dentistry

Fig. 5

From: Functional rehabilitation of the maxillary sinus after modified endoscopic sinus surgery for displaced dental implants

Fig. 5

The routine MESS procedure consisted of creating a pre-fixed 10 × 7 mm bony window on the anterolateral wall of the maxillary sinus using a small round bur with a diameter of 0.5 mm, as shown in Case 5 (A). The Schneiderian membrane was incised minimally using a sharp scalpel, followed by endoscopic assessment of the inner surface of the maxillary sinus (B). To approach the implant, a firm and gentle negative suction force was applied through the sinus bony window, while visualization and illumination were obtained from the nasal meatal endoscope (C). After implant removal, the sinus was carefully irrigated with warm saline, and the Schneiderian membrane was re-sutured (D, E). The bony window was repositioned into its original position and was fixed with a four-hole miniplate and pre-drilled screws (F)

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