Analysis of esthetic smiles by using computer vision techniques

Properly aligned teeth and a beautiful smile are the twin goals of orthodontic treatment. Unfortunately, a change in the smile arc is sometimes an unintended consequence of proper alignment. We used 3-dimensional dental models and visualization techniques, including curve-fitting and image-processin...

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Bibliographic Details
Published in:American journal of orthodontics and dentofacial orthopedics 2005-09, Vol.128 (3), p.404-411
Main Authors: Wong, Nicholas K.C., Kassim, Ashraf A., Foong, Kelvin W.C.
Format: Article
Language:English
Subjects:
Dental Models
Dentistry
Esthetics, Dental
Humans
Image Processing, Computer-Assisted
Imaging, Three-Dimensional - instrumentation
Lasers
Lip - anatomy & histology
Orthodontics, Corrective
Outcome Assessment (Health Care) - methods
Photography, Dental
Smiling
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Summary:Properly aligned teeth and a beautiful smile are the twin goals of orthodontic treatment. Unfortunately, a change in the smile arc is sometimes an unintended consequence of proper alignment. We used 3-dimensional dental models and visualization techniques, including curve-fitting and image-processing algorithms, to analyze smile arcs with respect to different parameters. The results show that smile consonance depends greatly on the conversational distance and the angle of elevation between the viewer and the smile.
ISSN:0889-5406
1097-6752
DOI:10.1016/j.ajodo.2005.02.012