Main Article Content
Objectives: The aim was to assess the agreement on facial profile classification and acceptance between orthodontic patients and orthodontists.
Materials and methods: A panel of experienced orthodontists (n = 6) and new orthodontic patients who were 18-40 years old (n = 251) participated in the study. All eligible participants were invited to complete a questionnaire. For the patient group, the questionnaire comprised general information, 26 silhouettes with incrementally constructed facial contour angle (FCA) with ±1SD to ±3SD and facial profile self-evaluation. The questionnaire for the orthodontists comprised the constructed incremental silhouettes and patients’ profile silhouettes. Each silhouette was asked for classification (concave, straight or convex) and acceptance (acceptable or unacceptable).
Results: Orthodontists classified -1SD silhouettes as straight profile while patients classified norm and -1SD silhouettes as straight. The orthodontists accepted profile silhouette in the range -1SD to norm while patients accepted -1SD to +1SD. Orthodontic patients’ perceptions on facial profiles were slightly different from orthodontists’ perceptions. Kappa value for agreement on facial profile classification and facial profile acceptance were 0.082 and 0.180, respectively.
Conclusions: Slight agreement on facial profile perception between orthodontic patients and orthodontists was identified. Patients had more tolerance on facial profile severity than orthodontists. Normative values of FCA of the Thai population were perceived as slightly convex profiles by orthodontists while the patients perceived them as straight profile.
Keywords: acceptable facial profile, facial profile agreement, facial profile diagnosis, facial profile perception
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