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Journal Articles Dentistry Journal Year : 2022

Smile Aesthetic Evaluation on Videographs: An Intra-Rater and Inter-Rater Agreement Study

Abstract

The aim of this study was to assess on videographs the intra- and inter-rater reproducibility of the Smile Esthetic Index (SEI) that has been previously validated on photographs. Smile videographs were obtained using a smartphone associated with the Smile Lite MDP mounted on a tripod. They were then randomized and evaluated twice consecutively at a 1-week interval by three periodontists according to the SEI based on 10 variables. Cohen’s Kappa and Fleiss’ Kappa tests were performed to measure intra- and inter-rater agreement. Sixty-five smile videographs of 24 men and 41 women (mean age 33 ± 11.3 years) were scored. A mean intra-rater agreement of 0.68 (0.64–0.73) was obtained, representing substantial agreement. The inter-rater agreement calculated for each variable ranged from 0.31 for the variable “absence of visible excessive gingiva” to 0.90 for the variable “absence of diastema and/or missing inter-dental papilla.” Within the limits of this study, we have demonstrated that it was possible to use videographs to reproducibly evaluate an aesthetic score (SEI) previously validated on photographs.
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hal-03754431 , version 1 (21-06-2023)

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Mathias Faure-Brac, Angéline Antezack, Sebastien Melloul, Mehdi Hadj Hadj Saïd, Anne Raskin, et al.. Smile Aesthetic Evaluation on Videographs: An Intra-Rater and Inter-Rater Agreement Study. Dentistry Journal, 2022, 10 (5), pp.87. ⟨10.3390/dj10050087⟩. ⟨hal-03754431⟩
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