TY - JOUR
TI - Perception of smile attractiveness among laypeople and orthodontists regarding the buccal corridor space, as it is defined by the eyes. An innovated technique
AU - Ntovas, P.
AU - Karkazi, F.
AU - Özbilen, E.Ö.
AU - Flavio, A.
AU - Ladia, O.
AU - Papazoglou, E.
AU - Yilmaz, H.N.
AU - Coachman, C.
JO - Journal of Esthetic and Restorative Dentistry
PY - 2023
VL - 35
TODO - 2
SP - 345-351
PB - John Wiley and Sons Inc
SN - 1496-4155, 1708-8240
TODO - 10.1111/jerd.13005
TODO - adult;  art;  article;  Caucasian;  controlled study;  cross-sectional study;  facial expression;  human;  layperson;  major clinical study;  male;  orthodontist;  perception;  pupil;  rank sum test;  visual analog scale;  dental procedure;  face;  health personnel attitude;  perception;  physiology, Attitude of Health Personnel;  Cross-Sectional Studies;  Esthetics, Dental;  Face;  Humans;  Male;  Orthodontists;  Perception;  Smiling
TODO - Objective: To investigate whether there is a relationship between the distance between the iris and pupil with the ideal size of buccal corridors. Materials and Methods: A full-portrait image of a male Caucasian was used to create a set of 11 digitally modified images with different buccal corridor space. A web-based cross-sectional study was designed and distributed via an online survey to 200 laypeople and 200 orthodontists to assess image attractiveness, using a Visual analogue scale. For the statistical analysis, Wilcoxon signed-rank and Mann–Whitney U tests were used. The significance level was set at p < 0.05. Results: The response rate for laypeople was 70% (n = 139), while the rate for orthodontists was 73% (n = 146). For the layperson group, the maximum smile attractiveness score was 10% of buccal width reduction, compared to the iris-pupillary distance, while for the orthodontists, it was 20%. The attractiveness of the smile was significantly reduced in both groups when the buccal corridor width was increased in comparison to the iris-pupillary distance. Conclusion: The length between the mesial part of the iris and the distal of the pupil, may constitutes a landmark for the estimation of the desired width of the buccal corridor. Clinical Relevance: Inter iris-pupillary distance can be the starting point in the smile designing process, in order to perform a facial driven selection of buccal corridor size. © 2023 Wiley Periodicals LLC.
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