Objective: An esthetic smile is what which increases the attractiveness of face. It enhances the acceptance of an individual in the society by improving the initial impression in interpersonal relationships. Every individual desires for an esthetically pleasing smile making it an important factor in Dentofacial esthetics. The primary purpose of this study was to evaluate the difference in esthetic perception between extraction and non-extraction treatments in class Ⅰ and class Ⅱ patients subjectively by panel raters and objectively by measuring the smile variables, and to determine the parameter of more significance in smile esthetics. Methods: 10 Laypeople, 10 Orthodontists and 10 General dentists perform subjective evaluations of the smile esthetics. A visual analog scale was used to score each photograph. Six variables were measured from the post treatment frontal smiling photographs by using the ruler tool in Photoshop. Results: The results showed that the golden proportion was statistically significant and the layperson esthetic perception was borderline significant. Conclusion: This study concluded that golden proportion was the only parameter that showed statistical significance, hence showing that the golden proportion was not followed.
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