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International Journal of Computerized Dentistry



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Int J Comput Dent 15 (2012), No. 3     20. Sep. 2012
Int J Comput Dent 15 (2012), No. 3  (20.09.2012)

Page 207-225, PubMed:23252221, Language: English/German

Examples of Model-free Implant Restorations Using Cerec inLab 4.0 Software
Reich, Sven / Schley, Jaana / Kern, Thomas / Fiedler, Kurt / Wolfart, Stefan
This case report demonstrates two ways to fabricate modelfree implant restorations with the Cerec inLab 4.0 software. Because the patient, a woman with a history of periodontal disease, did not wish to have a removable partial denture, implant therapy was planned for the restoration of her edentulous areas 14/15 and 24/25. In addition, the restoration was to provide functional relief of the natural maxillary anterior teeth. The two implants for the first quadrant were planned as single-tooth restorations. Each was designed as a full contour implant supra-structure using the Cerec Biogeneric abutment design technique. After completing the design phase, each restoration proposal was split into two parts: a zirconia abutment and a lithium disilicate crown. For the restoration of the second quadrant, custom 20-degreeangled abutments were individualized and acquired with the Cerec camera. A block crown was then designed, milled in burn-out acrylic resin, and fabricated from a lithium disilicate glass-ceramic ingot according to the press ceramic technique. Additionally methods of provisional restorations are discussed.

Keywords: Provisional implant restoration, soft tissue management, titanium base, zirconia abutment, optical impression, multilayer design, InLab SW 4.0, InLab 3.88, all-ceramic, press ceramic technique