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CADCAM international magazine of digital dentistry

_Introduction Implant dentistry has become an established form of treatment with good and predictable results for functional and aesthetic reconstruction in cases of masticatory dysfunction. As bone in the maxilla is often soft and sometimes insufficient in volume, the edentulous maxilla could be a great challengeforthetreatingdentist.Thetypeoftreat- ment chosen is crucial for success, in particular whenafixedimmediaterestorationisrequestedby patients. In such cases, successful treatment re- quires primary stability of the implants inserted and a sufficient number of implants to support the superstructure.1 In addition, exact placement is essential and can be achieved by means of computer-assisted planning. At least six implants are recommended to support a fixed restoration in the edentulous maxilla.2 Moreover, in soft bone, it is necessary to use an implant system that guarantees sufficient primary stability due to its external geometry and its thread design.3 I case report _ immediate restoration Fig. 1_Pre-treatment clinical situation. Fig. 2_Panoramic radiographic view of the remaining bone. Fig. 3_Prosthetically driven guided drilling. Fig. 4_Implant placement. 32 I CAD/CAM 4_2014 Implant-supported immediate restoration in the edentulous maxilla Author_Dr Fernando Rojas-Vizcaya, Spain Fig. 4Fig. 3 Fig. 2Fig. 1 CAD0414_32-35_Rojas 17.11.14 12:45 Seite 1 CAD0414_32-35_Rojas 17.11.1412:45 Seite 1

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