Article

Assessing the influence of lower facial profile convexity on perceived attractiveness in the orthognathic patient, clinician, and layperson.

Consultant Orthodontist/Honorary Senior Lecturer, Kingston and St. George's Hospitals and St. George's Medical School, London, United Kingdom.
Oral surgery, oral medicine, oral pathology and oral radiology 09/2012; 114(3):303-11. DOI:10.1016/j.tripleo.2011.07.031 pp.303-11
Source: PubMed

ABSTRACT The aim was a quantitative evaluation of how the severity of lower facial profile convexity influences perceived attractiveness.
The lower facial profile of an idealized image was altered incrementally between 14° to -16°. Images were rated on a Likert scale by orthognathic patients, laypeople, and clinicians.
Attractiveness ratings were greater for straight profiles in relation to convex/concave, with no significant difference between convex and concave profiles. Ratings decreased by 0.23 of a level for every degree increase in the convexity angle. Class II/III patients gave significantly reduced ratings of attractiveness and had greater desire for surgery than class I.
A straight profile is perceived as most attractive and greater degrees of convexity or concavity deemed progressively less attractive, but a range of 10° to -12° may be deemed acceptable; beyond these values surgical correction is desired. Patients are most critical, and clinicians are more critical than laypeople.

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Keywords

attractiveness
 
Attractiveness ratings
 
class I
 
Class II/III patients
 
concavity
 
convexity angle
 
degree increase
 
greater degrees
 
greater desire
 
idealized image
 
Images
 
Likert scale
 
lower facial profile
 
lower facial profile convexity influences
 
orthognathic patients
 
Patients
 
progressively less attractive
 
quantitative evaluation
 
Ratings
 
values surgical correction