Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons · 2019
Recognition of the Asymmetrical Smile: A Comparison of Orthodontists, Oral and Maxillofacial Surgeons, and Laypersons.
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Rostami Soheil, Kang Balraj, Tufekci Eser, Stilianoudakis Spiro C, Carrico Caroline K, Laskin Daniel M
Аннотация
PURPOSE: Studies have shown that an asymmetrical smile is a relatively common problem. Yet, many patients are unaware of having this condition. Because having an asymmetrical smile can affect the final esthetic result of orthodontic therapy or orthognathic surgery, such patients need to be aware of the problem. The purpose of this study was to determine what amount of smile asymmetry is clinically evident to orthodontists, oral and maxillofacial surgeons (OMSs), and the lay public.
MATERIALS AND METHODS: A total of 56 OMSs, 117 orthodontists, and 123 laypersons participated in the study. They were asked to view a randomly arranged series of computer-generated male and female facial photographs with the smile symmetrical or altered in 0.5-mm increments from 1 to 4 mm and to indicate whether the person had an asymmetrical smile.
RESULTS: The OMSs and orthodontists were able to recognize relatively smaller amounts of asymmetry than the laypersons (2 mm vs 3 to 3.5 mm).
CONCLUSIONS: Although the clinicians performed better than the laypersons, both groups were able to recognize relatively small amounts of asymmetry. Because such a condition is generally not correctable and can affect the esthetic result, patients undergoing orthodontic therapy or orthognathic surgery need to be made aware of the situation before treatment.
MATERIALS AND METHODS: A total of 56 OMSs, 117 orthodontists, and 123 laypersons participated in the study. They were asked to view a randomly arranged series of computer-generated male and female facial photographs with the smile symmetrical or altered in 0.5-mm increments from 1 to 4 mm and to indicate whether the person had an asymmetrical smile.
RESULTS: The OMSs and orthodontists were able to recognize relatively smaller amounts of asymmetry than the laypersons (2 mm vs 3 to 3.5 mm).
CONCLUSIONS: Although the clinicians performed better than the laypersons, both groups were able to recognize relatively small amounts of asymmetry. Because such a condition is generally not correctable and can affect the esthetic result, patients undergoing orthodontic therapy or orthognathic surgery need to be made aware of the situation before treatment.