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

Mathias Faure-Brac (1, 2) , Angéline Antezack (1, 2, 3) , Sebastien Melloul (1, 2) , Mehdi Hadj Saïd (1, 2) , Anne Raskin (1, 2, 4) , Virginie Monnet-Corti (1, 2, 3)

1 AMU ODONTO - Aix-Marseille Université - Faculté d'odontologie
2 TIMONE - Hôpital de la Timone [CHU - APHM]
3 MEPHI - Microbes évolution phylogénie et infections
4 ADES - Anthropologie bio-culturelle, Droit, Ethique et Santé

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.

Mots clés: aesthetics; smiling; score; periodontics; videography

Domaines: Bactériologie; Cardiologie et système cardiovasculaire; Maladies émergentes; Maladies infectieuses; Parasitologie; Virologie

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