The objective of smile design is to create teeth of pleasing inherent proportions as well as to create a functional tooth arrangement that is in harmony with the gingiva, lips and face of the patient. Treatment planning in aesthetic dentistry can be improved by following standard procedures, routinely assessing recognised criteria to allow consistent results. Digital smile design is a relatively new discipline in the area of cosmetic dentistry as it involves multiple areas of evaluation for a proper treatment plan. The combination of the basic rules of esthetics together with the reflection...