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Evaluation of the effect of trimline types of clear aligners on esthetic perception using eye-tracking technology and visual analog scale

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Tarih

2025

Yazar

Kurnaz, Merve
Akbıyık Bayam, Nuray
Öztürk, Semir
Biren, Sibel

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Künye

Kurnaz, M.; Akbıyık Bayam, N.; Öztürk, S.; Biren, S. Evaluation of the effect of trimline types of clear aligners on esthetic perception using eye-tracking technology and visual analog scale. American Journal of Orthodontics and Dentofacial Orthopedics, 2025, 168(2): 243-252.

Özet

Introduction: This study aimed to compare the impact of clear aligners with different edge finishes on esthetic perception across various specialties, using eye-tracking technology and the visual analog scale. Methods: Three different trimlines are designed at the gingival border: short scallop, straight, and straight extended. The designed aligners were taken in the mouth without a retractor, in a dark environment with a softbox. The prepared images were turned into a survey via the Google Docs document service. The survey questioning esthetic success according to a 5-point Likert scale was sent to the participants via the online channel. Eye tracking will also take place online with Sticky (version 1.4, Tobii Pro Lab; Tobii Technology AB, Danderyd, Sweden), the online form of the Tobii X2-60 eye-tracking software. The data obtained in this study were analyzed using the SPSS software (version 22; IBM, Armonk, NY). Mann-Whitney U test and Kruskal-Wallis H test with Bonferroni correction were used. Results: No significant difference was observed among the specialties in terms of scores (P >0.05). In both male and female subjects, all surfaces showed significant differences across trimlines for the number of fixations, number of visits, and time viewed. In addition, Region 2 exhibited significant differences in the number of fixations, number of visits, and time until noticed (P <0.05). In males, region 3 showed significant differences across trimlines for the number of fixations, number of visits, and time viewed (P <0.05). In females, time until noticed also differed significantly (P <0.05). In both male and female subjects, region 4 showed significant differences across trimlines for the number of fixations, number of visits, and time viewed (P <0.05). Conclusions: No differences were found among the specialty groups using the conventional survey method. Scalloped and straight trimlines were generally noticed.

Kaynak

American Journal of Orthodontics and Dentofacial Orthopedics

Cilt

168

Sayı

2

Bağlantı

https://www.scopus.com/pages/publications/105011290858
https://doi.org/10.1016/j.ajodo.2025.03.007
https://hdl.handle.net/20.500.12780/1211

Koleksiyonlar

  • Makale Koleksiyonu [124]
  • Scopus İndeksli Yayınlar Koleksiyonu [312]



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