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ePaper created 2017-03-17, 11:21:45 | version 1.38.0
| industry report use of the magnification systems Evaluating the it of removable dentures with magniication systems Authors: Dr Gualtiero Mandelli & Carlo Borromeo, Italy Fig. 1: Lower removable prosthesis anchored with a CAD/CAM milled cobalt chromium bar with 2 degree of inclination with micro screwed attachments, with a cast cobalt chromium superstructure and incorporated in the resin. Fig. 2: After preparing the master model mounted in the articulator, the teeth set-up is executed looking for the aesthetics and the function without worrying about the position Fig. 1 and the type of the implants. Fig. 2 Nowadays, implant-supported prostheses are used more and more in people’s daily routines and re- movable prostheses in case of large rehabilitation offer aesthetic and functional advantages espe- cially when support of the soft tissues is necessary. In this article, much attention will be given to the analysis and the design of the prosthesis in order to achieve predictable and repeatable results. During the construction of the structure and superstruc- ture the microscope will be critical to achieve the maximum precision. Introduction Removable prostheses are increasingly being used in everyday practice; in many cases you can achieve excellent functional aesthetic results even in the presence of a reduced number of implants, mostly when the patient wishes a stable total rehabilita- tion without the insertion of many implants. After the construction of a total temporary prosthesis in Fig. 3 Fig. 3: Over the master model a resin jig is produced after positioning the four metal transfers, and once cured it has been cut to eliminate any shrinkage or inaccuracy during the polymerisation; the jig is delivered to the clinic. Figs. 4 & 5: After the jig has been re-joined in the oral cavity, the wax- up was screwed in the transfers and a probe model was built for the verifying the accuracy and the passivity of the structure to be achieved. Fig. 4 28 CAD/CAM 1 2017 Fig. 5