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This paper analyzes the golden ratio (1.618) and its application in facial and dental aesthetics, as well as in art and architecture. In dentistry and orthodontics, it is used to achieve harmonious alignment of the front teeth, optimizing smile aesthetics. In facial plastic surgery, it is employed to enhance symmetry and attractiveness; however, some studies indicate that beauty cannot be reduced solely to this ratio, as cultural and individual factors influence its perception. Finally, it concludes that the golden ratio is a useful tool, but it should be applied flexibly, taking into account the uniqueness of each case and patient expectations.