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ePaper created 2014-11-20, 16:14:55 | version 1.30.01
_Dental materials and clinical procedures have changed dramatically in the last decades. Probably the major advances that have occurred during the last two decades have been in the fields of implantology and adhesive dentistry, but the main revolution is the development of digital dentistry. Although these changes have certainly made diagnostics and certain procedures easier, the basics, such as function and the biological aspects, remain essential. At the same time, we have experienced major improvements in ceramics and composites, helping us to fulfil our patients’ aesthetic demands. A basic prerequisite for these indications is an in-depth understanding of the facial and dental aesthetic parameters. The clinician needs to under- standthechallengesthateachclinicalcasepresents and has to be able to develop an appropriate treat- ment plan that approaches the case from a multi- disciplinary perspective. Tooth proportions need to be considered in relation to gingival aesthetics and in relation to the facial appearance. It is pointless to make the most beautiful direct veneer if the contours or the texture do not match that of the adjacentteethorthegingivalzenithsareclearlynot symmetric and visible. As an example, if we add a tilted occlusal plane or a maxillary tooth midline shift in relation to the facial midline, the results can be frustrating. Another important aspect is the proper analysis of the patient’s smile and display (Figs. 1 & 2). Whenphotographsaretaken,peopletendtobeshy, especially at the beginning and even more so if the persontakingthephotographsisnotaprofessional photographer and the setting is a dental practice. Figure 3 shows the intra-oral view, where, besides the obvious diastema and the hypomineralised I special _ digital smile design 06 I CAD/CAM 4_2014 Designing real smiles with digital tools Authors_Drs Eduardo Mahn, Gustavo Mahn, Carlos Cáceres, Luis Bustos, Chile & Christian Coachman, Brazil Fig. 1 Fig. 2 Fig. 3 CAD0414_06-10_Mahn 14.11.14 13:34 Seite 1 CAD0414_06-10_Mahn 14.11.1413:34 Seite 1