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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
dentistry
Esthetic preferences of European American, Hispanic American, Japanese, and African judges for soft-tissue profiles
American Journal of Orthodontics and Dentofacial Orthopedics, Volume 135, No. 4 SUPPL., Year 2009
Notification
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Description
Introduction: Our objectives were to determine whether observer and patient sex and race or ethnicity determine esthetic preferences for lip positions. Methods: Four independent panels each consisting of 30 lay judges viewed pretreatment silhouette profiles of 10 European American, 10 Japanese, and 10 African American Angle Class I and Class II orthodontic patients. The panels included European Americans, Hispanic Americans, Japanese, and Africans. Profiles were traced from lateral cephalograms and manipulated so that the lip profile lay on the Ricketts' E-line or at various distances from the E-line from -8 to +4 mm in 2-mm increments. The judges selected the profile that they considered the most attractive and then classified the remaining 6 profiles as either acceptable or unacceptable. Results: The mean preferred lip positions (mean ± SD) were -2.58 ± 1.92 mm for European American, -3.28 ± 2.26 mm for Hispanic American, -3.45 ± 1.92 mm for Japanese, and -2.13 ± 1.95 mm for African judges. The African judges preferred more protrusive profiles compared with the Hispanic American (P <0.01) and Japanese (P <0.001) judges. Patient race or ethnicity and sex also contributed significantly to the judgments of profile esthetics (P <0.001). Conclusions: Judge race or ethnicity and patient race or ethnicity and sex significantly influence laypersons' standards for lip profile esthetics. © 2009 American Association of Orthodontists.
Authors & Co-Authors
Nomura, Mayumi
Japan, Tokyo
Tokyo Dental College
Motegi, Etsuko
Japan, Tokyo
Tokyo Dental College
Hatch, John P.
United States, San Antonio
University of Texas Health Science Center at San Antonio
Gakunga, Peter Thiuri
United States, San Antonio
University of Texas Health Science Center at San Antonio
Ng'Ang'A, Peter M.
Kenya, Nairobi
University of Nairobi
Rugh, John D.
United States, San Antonio
University of Texas Health Science Center at San Antonio
Yamaguchi, Hideharu
Japan, Tokyo
Tokyo Dental College
Statistics
Citations: 117
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1016/j.ajodo.2008.02.019
ISSN:
08895406
Research Areas
Health System And Policy