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Related Experiment Video

Updated: Jun 10, 2025

Oral Health Assessment by Lay Personnel for Older Adults

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

Measuring concern about smile appearance among adults.

Bianca Nubia Souza Silva¹, Lucas Arrais Campos^1,2,3,4, Bianca Gonzalez Martins⁵

¹Department of Morphology and children´s clinics, School of Dentistry of Araraquara, São Paulo State University (UNESP), Rua Humaitá 1168, 14801-385, Araraquara, Brasil.

European Journal of Orthodontics

|October 21, 2024

Summary

A new scale, OA-Smile, effectively measures concerns about smile appearance. Demographic factors significantly influence these concerns, highlighting the need for personalized assessment in cosmetic dentistry.

Keywords:

dental esthetics psychometry structural equation modeling validation study

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Last Updated: Jun 10, 2025

Oral Health Assessment by Lay Personnel for Older Adults

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Published on: February 2, 2020

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Published on: July 12, 2022

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Published on: May 31, 2021

Area of Science:

Dental Aesthetics
Psychometrics
Oral Health Outcomes

Background:

Assessing patient concerns regarding smile aesthetics is crucial in cosmetic dentistry.
Existing tools may not fully capture the nuances of smile appearance concerns.
The Utrecht Questionnaire for esthetic outcome assessment in rhinoplasty (OAR) provides a basis for adaptation.

Purpose of the Study:

To adapt and validate the OAR for assessing smile appearance concerns in a dental context.
To develop the Questionnaire for Outcome Assessment of Smile Aesthetic (OA-Smile).
To investigate the influence of demographic factors on smile appearance concerns.

Main Methods:

Cross-sectional observational study involving 2,523 adults (18-40 years).
Adaptation of the OAR into the Portuguese OA-Smile questionnaire.
Psychometric evaluation included factorial and convergent validity, and reliability testing (CFA, AVE, αordinal, ω).
Structural modeling analyzed demographic influences on smile concerns.

Main Results:

The OA-Smile demonstrated adequate psychometric properties, including good model fit (CFI=0.99, TLI=0.99, SRMR≤0.05), convergent validity (AVE≥0.80), and reliability (αordinal, ω≥0.85).
The structural model showed acceptable fit (CFI=0.974, TLI=0.991, SRMR=0.053).
Higher concerns were reported by women, younger individuals, single people, those with lower income, and individuals using dental prostheses or dissatisfied with their smile.

Conclusions:

The OA-Smile is a valid and reliable instrument for measuring concerns about smile appearance.
Demographic characteristics are significant predictors of smile appearance concerns.
Consideration of these factors is essential for comprehensive aesthetic outcome assessment in dentistry.