Overview

Smile esthetics has emerged as a key focus in modern orthodontics, extending beyond functional correction to include facial harmony and patient perception. An esthetic smile significantly influences self-esteem, social interaction, and overall quality of life, making it an essential component of orthodontic diagnosis and treatment planning. Smile esthetics is a multifactorial concept involving teeth, gingiva, lips, and facial structures. Proper tooth alignment, ideal tooth proportions, harmonious gingival display, consonant smile arc, balanced buccal corridors, and favorable lip dynamics collectively contribute to smile attractiveness. Smiles are commonly classified as posed or unposed, with the posed smile being most relevant for clinical evaluation. Assessment of smile esthetics can be performed through visual analysis, photographic and videographic records, questionnaires, and advanced digital technologies. Modern tools such as digital smile design, three-dimensional imaging, and computer-assisted analysis have enhanced diagnostic accuracy and treatment predictability. Smile esthetics can be classified into macroesthetics, miniesthetics, and microesthetics.

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