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Quintessence Publishing: Journals: ORTHODONTICS
ORTHODONTICS
The Art and Practice of Dentofacial Enhancement

Formerly World Journal of Orthodontics

Edited by
Rafi Romano, DMD, MSc (Editor-in-Chief)

ISSN 2160-2999 (print) / ISSN 2160-3006 (online)

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Publication:
Summer 2007
Volume 8 , Issue 2

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Divine Proportions and Facial Esthetics after Manipulation of Frontal Photographs

Edmundo Medici Filho, DDS, MS, PhD / Marcia Valeria Martins, DDS, MS, PhD / Marcos Andre dos Santos da Silva, DDS, MS, PhD / Julio Cezar de Melo Castilho, DDS, MS, PhD / Luiz Cesar de Moraes, DDS, MS, PhD / Cassia Teresinha Lopes de Alcantara Gil, DDS, MS, PhD

Pages: 103108
PMID: 17580503

Aim: To investigate the relationship between divine proportion and facial esthetics in frontal photographs as well as whether any of the 4 ratios for manipulation provide more favorable facial esthetics. Material and Methods: The sample comprised 20 frontal photographs of Caucasian individuals (11 males and 9 females). The photographs were digitized and stored on a compact disk. A photometric analysis was created with 7 facial segments that were measured on Image Tool software and 4 ratios between 2 facial segments calculated using Microsoft Excel. This manipulation led to 5 different photographs of the same individual: one photograph with no manipulation and the others with 1 of the ratios manipulated in the Deformer 2.0 to very close or equal to 1.618. Thereafter, the 5 photographs of all individuals were evaluated by 12 examiners. The examiners selected those photographs that were esthetically more pleasant. Conclusion: After evaluation, a chi-square test revealed a relationship between divine proportion and facial esthetics. Among the ratios selected, R1 and R2 provided more favorable facial esthetics. World J Orthod 2007;8:103108

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