fig1

Figure 1. Two-stage guided bone regeneration procedure in a posterior atrophic mandible: (A) clinical view at the baseline; (B) CBCT cross sections; (C) CBCT rendering of the atrophic area; and (D) the titanium barrier (Regenplate® Shape 4, Bio-Micron, Sweden & Martina, Due Carrare, Padova, Italy) prepared on the printed STLM. Two-millimeter holes were performed where the screws had to be fixed. CBCT: Cone beam computed tomography; STLM: stereolithographic model.