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I special _ smile analysis and smile design _Introduction: Smile analysis and aesthetic design Dental facial aesthetics can be defined in three ways. Traditionally, dental and facial aesthetics have been defined in terms of macro- and micro-ele- ments. Macro-aesthetics encompasses the interre- lationshipsbetweentheface,lips,gingiva,andteeth and the perception that these relationships are pleasing. Micro-aesthetics involves the aesthetics of an individual tooth and the perception that the colour and form are pleasing. Historically, accepted smile design concepts and smile parameters have helped to design aesthetic treatments. These specific measurements of form, colour, and tooth/aesthetic elements aid in transfer- ring smile design information between the dentist, ceramist, and patient. Aesthetics in dentistry can en- compassabroadarea—knownastheaestheticzone.1 Rufenacht delineated smile analysis into facial aesthetics, dentofacial aesthetics, and dental aesthet- ics, encompassing the macro- and micro-elements describedinthefirstdefinitionabove.2 Furtherclassi- ficationidentifiesfivelevelsofaesthetics:facial,oro- facial, oral, dentogingival, and dental (Table 1).1, 3 Fig. 1_Three altered views of the same patient enable analysis of what can be accomplished to enhance facial and smile aesthetics. Table 1_Components of smile analysis and aesthetic design. Smile analysis and photoshop smile design technique Authors_ Prof. Edward A. McLaren & Lee Culp, USA 10 I CAD/CAM 2_2015 Facial aesthetics Total facial form and balance Orofacial aesthetics Maxillomandibular relationship to the face and the dental midline relationship to the face pertaining to the teeth, mouth and gingiva Oral aesthetics Labial, dental, gingival; the relationships of the lips to the arches, gingiva, and teeth Dentogingival aesthetics Relationship of the gingiva to the teeth collectively and individually Dental aesthetics Macro- and micro-aesthetics, both inter- and intra-tooth Table I Fig. 1