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ePaper created 2018-02-16, 11:17:41 | version 1.38.0
rehabilitation of edentulous maxilla industry report | Fig. 7 Fig. 8 Fig. 10 Fig. 9 Fig. 11 These templates allowed the surgeon to work freely on the patient’s tissues and to maintain the control of the insertion axis of the future prosthesis that the patient initially approved. Fig. 12 by four bar-connected implants located in the canine areas of the maxilla. In agreement with the surgeon, it was decided to use the diagnostic wax-up to make a surgical tem- plate that would allow the surgeon to place the im- plants in areas with a more favourable bone density, which also indicated exactly the axis of insertion of the prosthesis and of the primary bar. The diagnostic wax-up was then duplicated using a 1.5 mm thick thermos disk in which the acrylic resin was cast, thus obtaining an upper flange and a palate-free flange; a second template was then pro- duced on the lower model on which the resin diag- nostics was fixed, thus obtaining a three-dimen- sional vision of the volumes and the sagittal assembly inclination (Figs. 4–6). Fig. 13 Fig. 14 Fig. 15 Fig. 16 Fig. 17 Fig. 18 CAD/CAM 4 2017 37