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34 I I industry report _ Tizian CAD/CAM _Established in 1994, Art Dental Ltd., a fast developing dental laboratory, has more than 16 years of professional experience in all types of highly aesthetic dental restorations. New gen- eration materials and modern layering tech- niques ensure the production of consistent and high quality restorations. In view of the latest trends in modern dentistry, the laboratory spe- cialises in the production of restorations placed over implants, as well as large constructions, for example 16-unit bridges on implants with no other teeth available. Forthepasttwoyears,ArtDentalhasproduced more than 500 constructions using ZrO2, non- precious alloys and PMMA composite/temporary constructions in combination with the Tizian CAD/CAM system (Schütz Dental). The following cases aim to demonstrate the significant ad- vantages of ZrO2 in combination with Tizian CAD/CAM. _Case I (Figs. 1–15) This 45-year-old female patient suffered from very serious periodontal problems. The treatment plan involved extraction of all maxillary teeth and subsequent placement of six implants. In order to find the ideal place for perfect osseoin- tegration and to avoid sinus lift intervention, the CAD/CAM 2_2010 Step-by-step restoration with Tizian CAD/CAM Author_ Eliza Ivanova, Bulgaria Fig. 7 Fig. 4 Fig. 1 Fig. 5 Fig. 6 Fig. 8 Fig. 9 Fig. 2 Fig. 3