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+This is a 54 year old female patient diagnosed with partial edentulism of both arches and severe Seibert class III alveolar atrophy1 in the edentulous premaxilla region.
+
+The treatment plan consisted of the placement of 2 autoclaved hydrogel beads for tissue expansion of the premaxilla and a subsequent en bloc bone allograft at the same site.
+Two weeks after placement of the hydrogel beads, they were exposed and removed, with placement of Biograft® brand allograft blocks, preformed trans-surgically by means of stereolithography. Wound closure was achieved without tension and without the need to unload the flap or make incisions to release tension from the periosteum.
+
+Once the period of osseointegration of the block had been completed (approximately 6 months), the dental implants were placed, initially planned in a suitable position, with very good bone and soft tissue for their rehabilitation.
+