Figures 6–9. Figure 6. Three months later a full-thickness flap was raised, and closure of the oral-antral communication and graft integration was confirmed. Figure 7 . Two dental implants were placed at the site: one with palatal angulation to take advantage of the palatal root bone of the first molar and the other in the pterygomaxillary zone. Figure 8. Clinical intraoral view after placement of a screw-retained prosthesis. Figure 9. Postoperative panoramic X-ray view.