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ePaper created 2014-11-20, 16:14:55 | version 1.30.01
14 I I industry report _ CAD/CAM material An impression was made using an especially customised tray and a corresponding impression post, which fitted with the implant. The situation was then transferred to the master model using an individual gingival mask and a scan of the model was made using the Tizian Smart-Scan system for a CAD reconstruction of the crown. The crown was constructed on Tizian Creativ RT- Software, which lets you take the most natural occlusal surface into account. Following this, the crown was milled out of TizianZirconiaReinforcedCompositeinthemilling machine (e. g. Tizian Cut 5 smart, Schütz Dental). Next, the crown was veneered with a veneer- ing composite (dialog Occlusal, Schütz Dental) following the Cut Back technique. The restoration was prepared for the screw joint using a bonding base for full ceramic restorations. After the crown had been fitted, the approxi- mal contacts checked and minimal corrections were made to the occlusion, the crown was pol- ished. Then the crown was definitively integrated using a torque wrench at a speed of 35 Ncm. The screw was then se- curedwithahighlyaesthe- tic composite (NanoPaq Composite, Schütz Den- tal) and the screw channel was fastened. Taking note of the pa- tient’s existing ceramic restorations, the patient was advised to have a bite tray made. In order to monitor the success of their prosthetic treatment,thepatientwas asked to attend a follow up appointment every six months. _Conclusion With the zirconia re- inforced composite from the company Schütz Dental, the option of a highly aesthetic material for treating implants and patients suffering from parafunctions is now available. Thanks to the material’s physical properties, the dot-shaped chewing forces are evenly spread across the whole restoration. The final pictures show the harmonious inte- gration of the restoration into the patient’s current situation. Excellent material properties ensure a high level of comfort for the patient, as well as high stability and durability of the restoration._ Editorial note: This report is not intended as a user manual.Pleaseconsulttheusermanualforthesystems and materials mentioned above. All rights lie with the treating dentist. Fig. 10_Detailed view of the crown and screw. Fig. 11_Checking the occlusion. Figs. 12 & 13_The final fitted restoration. CAD/CAM 4_2014 Maximilian Kollmuß and Julia Goeke Poliklinik für Zahnerhaltung Dental Clinic of the University of Munich Dental technician: MDT Robert Kollmuß Dentaltechnik Kollmuß GmbH,Munich,Germany CAD/CAM_authors Fig. 13Fig. 12 Fig. 11Fig. 10 CAD0414_12-14_Kollmuss 14.11.14 13:34 Seite 3 CAD0414_12-14_Kollmuss 14.11.1413:34 Seite 3