ArticleCureus2025
The Impact of Midline Deviation on Smile Attractiveness: A Cross-Sectional Study Among Laypersons.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
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Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective This study aimed to assess laypersons' perceptions of smile aesthetics in relation to upper dental midline deviations and to determine whether adjacent facial structures influence their judgments. Methodology A cross-sectional study was conducted using two sets of photographs depicting midline deviations. The first set included six images showing only the lips, while the second set featured six images displaying the lips, chin, and two-thirds of the nose. Both sets presented deviations at increments of 0 mm (no shift), 1, 2, 3, 4, and 5 mm relative to the facial midline. The photographs were randomly labeled (A-F) and presented in a nonsequential order to prevent bias. Laypersons rated the attractiveness of each smile on a scale of 1 (very unattractive) to 10 (very attractive). Data were tabulated and analyzed using SPSS software version 22 (IBM Corp., Armonk, NY). Results Responses from 242 laypersons (127 females and 115 males) revealed that midline deviations of up to 3 mm were considered aesthetically acceptable across both photo sets. Friedman's test indicated statistically significant differences in ratings for each midline shift in both groups (
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