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ePaper created 2015-08-28, 13:01:48 | version 1.38.0
12 I I special _ Digital Smile Design Fig. 18a_Images orientation and analytic focal length. cosmeticdentistry 2_2015 _Virtual planning and digital wax-up Having introduced the fundamental tenets of this method in Part I (cosmetic dentistry 1/15), Imoveontoastep-by-stepdescriptionofAesthetic Digital Smile Design (ADSD) in Part II. _Importandadaptationofimages:afterhavingac- quired the video frames that statistically capture the dynamic phases of the smile and after having importedalltheintra-andextra-oralphotographs in the manner described in Part I, the smile de- signer,asifheorshewereanarchitect,undertakes true and accurate mapping of the face and the smile, observing the peculiarities according to focal length. The aesthetic analysis (macro, mini and micro) to which it makes reference is based on values and parameters derived from Powell, Goldstein, Rufenacht, Lombardi, Arnett and Chiche, Pinault, Ricketts, Fradeani and others, and the aesthetic dentist can use these values and parameters with rulers, set squares and go- niometers. The full face images of the patient also involve an analytical observation of the portrait and therefore hair and skin colour, make-up, pose, etc. are important. After being imported, these factors will be processed in the manner described below. _Verification of orientation and exposure of the subject photographed (Fig. 18a): the imported images must be verified on the basis of the quality Aesthetic Digital Smile Design: Software-aided aesthetic dentistry—Part II Author_Dr Valerio Bini, Italy Fig. 18a