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CADCAM international magazine of digital dentistry

I case report _ CAD/CAM restorations Fig. 1_Tooth 26, which proved not worth preserving, after root resection. Fig. 2_The state of tooth 26 after extraction. Fig. 3_Implantation after 12 weeks. _In the past ten years, CAD/CAM restorations have been established as standard in implant pros- theses. The advantages of such restorations include the chairside use of full ceramics and digital impres- sions. Owing to the introduction of ceramic blocks with prefabricated twist-proof screw channels, the workflow for the chairside manufacture of individ- ual hybrid abutments and hybrid abutment crowns can be applied in daily practice. By means of the casesreportedinthisarticle,theindications,suitable materials and attachments, and related studies are discussed. _Case reports Case1 In September 2013, a 35-year-old patient came into our practice for the first time. The general anamnesisfoundnopeculiarities.Shecomplainedof pain in the second quadrant. The clinical and the radiological examination found that tooth 26 was not worth preserving (Fig. 1). The patient was sub- sequently informed of the treatment options, which were revision of the root canal filling, and a second root resection and extraction with subsequent im- Permanent implant prostheses Chairside manufacture of a hybrid abutment crown Authors_Drs Arzu Tuna, Umut Baysal & Rainer Valentin, Germany 16 I CAD/CAM 4_2014 Fig. 1 Fig. 3Fig. 2 CAD0414_16-19_Baysal 17.11.14 12:14 Seite 1 CAD0414_16-19_Baysal 17.11.1412:14 Seite 1

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