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ePaper created 2015-03-06, 09:14:48 | version 1.33.01
20 I I special _ digital smile design of the phonetics with particular attention to con- sonants and their combinations. In addition, the analysisofthephonemes“/m/”and“/i/”(sometimes also the phoneme “/e/”) is of great importance for detecting and determining the position of the lips and the maxillary incisors relative to the age and sex of the subject being analysed. Furthermore, it is important to bear in mind the extent to which the central incisors are the visual focal point of the smile architecture. _Gingival analysis: Architecture, shape parallelism, symmetry,zenith,papillae,biotypeandcolour(Fig.10). In general, it can be stated that considering all of theseveryimportantvaluesandparametersindetail requires comprehensive planning and competence that cannot be contained in only a few lines. These have been scientifically established by a number of authors and further information can be found in books and scientific articles. _Dental digital image editing Digital image editing can be performed in various ways (Fig. 2) according to the requirements of the smile designer and with various software packages (bothfreewareandforpurchase)easilyobtainedfrom the Web. Their main use includes generic image and photographeditingforbothamateurandprofession- al graphic designers. Some of the packages available have been developed by dentists. An important con- tributiontothesepackagesisofferedbysomeauthors, who through the use of Keynote (a presentation ap- plication developed by Apple for Mac OS X and iOS) have made smile design easier with results that pro- vide a schematised dental design with real outlines. InadditiontoDigitalDentalDesign(Figs.11a&b), ADSD offers important processing functions: the import, conversion and editing of dental shapes and typesofdentitionintheformofrealimages.Inorder tocarryouttheseimportantfunctions,itisnecessary to create a real dental library, which we shall call the Digital Dental Photos Database (DDPD). This might include: _Dental shape library, which might be the best form of database, in which five types of dentition could be captured relative to anatomical form and possi- bly colour according to the quality and amount of lightinthephotographasobservedbytheoperator. The photographs of the teeth in this library should betakenatafrontalprojection,andat45and90de- grees laterally, that is a profile, so that they can be Figs. 14a–c_DDID, vectorial deformation of the length of teeth. Figs. 15a–e_DDID applied to teeth 12, 11, 21 and 22. cosmeticdentistry 1_2015 Fig. 15a Fig. 15b Figs. 15c–e Fig. 14cFig. 14a Fig. 14b CDE0115_14-22_Bini 26.02.15 10:29 Seite 7 CDE0115_14-22_Bini 26.02.1510:29 Seite 7