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Publication:
International Journal of Adult Orthodontics and Orthognathic Surgery

Year 1999
Volume 14 , Issue 2

Back
Pages: 125 - 134

Computer-animated comparison of self-perception with actual profiles of orthodontic and nonorthodontic subjects

Kitay/BeGole/Evans/Giddon

To determine if motivation for adult orthodontic treatment is influenced by self-perception, a computer morphing program was developed to animate discrete digitized photographs of facial profiles. It was hypothesized that orthodontic patients are less tolerant of variations in their profiles than nonorthodontic adult patients were presented with animated distortions of 5 features of lower third of their own profiles. They were aksed to identify the zone of acceptability in the changing profile and to indicate the single most pleasing distortion and their perceived and preferred profiles, for comparison with their actual profile. Although orthodontic subjects did not differ from nonorthodontic subjects in the zone of acceptability of their own profiles, they were less tolderant (Smaller zone of acceptability) of variation in features of a standard control face. Orthodontic subjects, however, had a larger disparity between the most pleasing and at least one feature of their actual profile than did the nonorthodontic subjects. Orthodontic and nonorthodontic subjects were equally accurate in their ability to identify their own profile features. This unique method of measuring self-perception offers tha clinician the advantage of providing a dynamic range rather than a single point of acceptable change to the patient. Moreover, this interactive computer program will enable patients to actively participate in treatment planning decisions by communicating preferences for variations in facial profile distortions.

 

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