Abstract
BackgroundThe Orofacial Esthetic Scale (OES) is an eight-item instrument to assess how patients perceive their dental and facial esthetics. In this cross-sectional study we investigated dimensionality, reliability, and validity of OES scores in the adult general population in Sweden.MethodsIn a random sample of the adult Swedish population (response rate: 39%, N=1159 subjects, 58% female, mean age (standard deviation): 49.2 (17.4) years), dimensionality of OES was investigated using factor analytic methods to determine how many scores are needed to characterize the construct. Reliability of scores was calculated using Cronbach’s alpha. Score validity was determined by correlating the OES summary score with a global indicator of orofacial esthetics (OE).ResultsFactor analyses provided support that a single score can sufficiently characterize OE. A Cronbach’s alpha of 0.93 indicated excellent reliability. A validity coefficient of r=0.89 (95% confidence interval: 0.87-0.90) indicated that OES summary scores correlated highly with a global OE assessment.ConclusionsThe OES is a promising instrument to measure the construct OE. Factor analyses supported that this construct can be assessed with one score, offering a feasible and acceptable standardized assessment of OE. The present study extends the OES use to the general population, an important target population for assessment of orofacial esthetics.
Highlights
The Orofacial Esthetic Scale (OES) is an eight-item instrument to assess how patients perceive their dental and facial esthetics
Esthetical impairment was moderate with mean scores of 6 to 7 on a 0–10 scale in which 10 indicates that subjects were very dissatisfied with their appearance
Splitting the sample into two sets did not result in any notable imbalance of socio-demographic characteristics or OES item severity
Summary
The Orofacial Esthetic Scale (OES) is an eight-item instrument to assess how patients perceive their dental and facial esthetics. In this cross-sectional study we investigated dimensionality, reliability, and validity of OES scores in the adult general population in Sweden. The appearance of the teeth, gums, and jaws is restored and changed by many restorative, periodontal, orthodontic and maxillofacial treatments To assess these treatment effects, the patient’s perspective is most important and questionnaires are needed for a standardized assessment. The dimensionality, reliability and validity of scores have been investigated in adult prosthodontic patients With their various esthetical impairments, these patients represent an important target population; other target populations exist too, most notably the general population.
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