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Each smile is unique, and smiles reflect the different shapes, textures, and colors of the teeth and their combinations. When creating a new smile design dentists need to consider the biology, structure, function, and esthetics to create the fifth dimension of the smile. This approach is completely different from the conventional one. A smile reflects the personality and emotional state of the patient, and the translation of this into a new smile design occurs either by analog methods or digitally. A smile is a person's ability to express a wide range of emotions with the movement and structure of the teeth, dentofacial, esthetic lips, social and psychological (Rambabu et al, 2018) it also determines how well a person functions in society. When a person has a harmonious smile. it is always assumed that it increases self-esteem and their ability to interact properly and more confidently in their surroundings.
Abdulwahab I Al-kholani (Thu,) studied this question.