Background: Smile has an influence on the facial attractiveness, bad smile result in decreasing facial attractiveness and self-esteem and makes individuals unsatisfied on themselves. Several factors influence the smile such as color, size and shape of the teeth, buccal corridors and gingival display. Patients looking for improving their smile by visiting dental clinics, the strategy used to improve the smile of patients depend on the problem exist, budget of the patient and dentist‘s evaluation.

Aim: The aim of this review is to overview the factors influence smile in cosmetic dentistry aspects.

Methods: Several scientific websites were used to search for scientific articles related to the present subject including Google Scholar and Pubmed. Key words such as bad smile, cosmetic dentistry and factors influence smile were used to obtain articles.

Results: 8 articles were found to be related to our subject and used in this review.

Conclusion: Smile has a great influence on facial attractiveness and self-esteem. The smile is influenced by several factors many of them can be improved by cosmetic dentistry such as teeth shape, size and color, while others can't be controlled by cosmetic dentistry such as aging. The Judging of good and bad smile differs according to the opinion of patients and dental specialist. 

Keywords: Smile attractiveness, Smile esthetic, Dental esthetic.

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Eman Alharbi