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ePaper created 2015-09-29, 13:02:58 | version 1.38.0
I case report _ computer-aided implant dentistry Figures 7 and 8 show the analysis of the radi- ographs, which were viewable in slices, thus allowing forveryaccurateanalysisofthebonesituationatthe planned implant site. Although the patient had good bone volume overall (Fig. 9), the width of the alveolar ridge below the sinus was not always sufficient (Figs. 7and8).Theaimwastoplace8implantsasparallelas possible. The bridge that would later be screw-re- tained would occupy the original position of the nat- ural teeth. The dual scan prosthesis was superimposed (matched)withthedataobtainedfromtheCTscaninthe SIMPLANT software to determine the most optimal im- plantposition.Thenaturalgingivalmarginwasalsotaken into account (Fig. 10). Guided by the desired prosthetic result, the dentist also selected the implant positions withtheaimofoptimisingtheaestheticresult(Fig.11). The position of the ANKYLOS implants (DENTSPLY Implants)wereplannedusingtheSIMPLANTsoftware Fig. 9_Planning the implant positions. Fig. 10_Superimposed soft tissue and implant positions. Fig. 11_Exit sites of the screw channels in the planned tooth set-up. Fig. 12_Planned surgical guide. Fig. 13_Immediate Smile digital file for import into CAD/CAM software. 20 I cone beam3_2015 Fig. 9 Fig. 10 Fig. 11 Fig. 12 Fig. 13 Fig. 14 Fig. 15 Fig. 16 Fig. 14_Temporary bridge on the model. Fig. 15_Occlusal view of the temporary bridge. Fig. 16_Vestibular view.