Influence of Orthodontic Treatment Experience on Smile Esthetics: Based on Perspectives of Dentists, Orthodontically Treated Patients, and Untreated Laypersons

Original researchasymmetries, whereas preclinical students and laypersons tend to notice only those asymmetries that are 2 mm or greater in the central incisors. IntroductIonAn appealing smile is regarded as a valuable asset during interviews and social interactions in contemporary society.An attractive smile not only enhances an individual's appearance but also contributes to a perception of youthfulness. 1 The attractiveness of a smile is influenced by various factors, including the gingival margin heights (GMH), the clinical crown width and height (CWH), the buccal corridor space (BCS), and the dental midline.The height of the gingival margin is crucial for the esthetics of a smile, particularly concerning the maxillary incisors.The position of the gingival margin is significant as it dictates the height of the clinical crown. 2 Furthermore, the symmetry of the gingival margin is vital for achieving a harmonious and continuous form of the free gingival margin.This necessitates that the gingival architecture of the two central incisors be identical from an esthetic standpoint. 3Research conducted by Calusic Sarac et al. 4 revealed that the perception of gingival asymmetries in the esthetic zone of a smile varies among dental specialists, dental students, and laypersons.Dental specialists and clinical students exhibit heightened sensitivity to these 1-