The impact of orthodontic treatment on face and smile attractiveness: A cross-sectional study of longitudinal data.
Coppola G; Verna C; Michelotti A; Gkantidis N; Kanavakis G · 2026 · American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background Although esthetic concerns are a primary motivation for seeking orthodontic treatment, few studies with strong protocols have evaluated its impact on facial and smile attractiveness as perceived by laypeople. This study aimed to…
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Metadata source: Europe PMC · DOI 10.1016/j.ajodo.2026.03.009