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Esthetic evaluation of Asian-Chinese profiles from a white perspective.
Am J Orthod Dentofacial Orthop. 2008 Apr; 133(4):532-8.AJ

Abstract

INTRODUCTION

Immigration from Asian countries to North America and Australia has resulted in more Asian patients treated by white orthodontists. Planning treatment for patients of different ethnicities can be a challenge. The aim of this study was to establish baseline data for the assessment of Asian-Chinese profiles from a white perspective.

METHODS

Two Asian-Chinese profile images, 1 male and 1 female, were modified to create 7 profiles for each gender. Each profile showed a distinct characteristic: bimaxillary protrusion, protrusive mandible, retrusive mandible, normal profile (Class I incisor with Class I skeletal pattern), retrusive maxilla, protrusive maxilla, and bimaxillary retrusion. The images were viewed and ranked by 142 white examiners in 3 cohorts: 31 orthodontists, 31 dental students, and 80 laypersons from a mixed multi-ethnic metropolitan community. The facial anatomy that played the most important role in their decision making was also noted. Collected data in the form of ranks were statistically analyzed by using repeated measures analysis of variance.

RESULTS

All examiners preferred the normal Class I or bimaxillary retrusive profiles in both sexes; the male profile ranked the least attractive was the protrusive mandible, and the female profiles ranked the least attractive were the protrusive mandible and the retrusive mandible. Orthodontists, dental students, and laypersons demonstrated similar trends in ranking the profiles. The preferred profiles diverged from bimaxillary protrusive and Class III profiles (maxillary retrusion and mandibular protrusion), which are the usual norms for ethnic Asian-Chinese. The upper lip, the lower lip, and the chin had the most emphasis when the examiners were ranking the profiles. This finding was also common in all 3 groups.

CONCLUSIONS

This study demonstrated strong cohesive trends in establishing ideal facial esthetics of Asian-Chinese profiles evaluated by white persons in a multi-ethnic metropolitan community.

Authors+Show Affiliations

Department of Orthodontics, Sydney Dental Hospital, Sydney South West Area Health Service, Sydney, Australia.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

18405817

Citation

Chan, Eugene K M., et al. "Esthetic Evaluation of Asian-Chinese Profiles From a White Perspective." American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, vol. 133, no. 4, 2008, pp. 532-8.
Chan EK, Soh J, Petocz P, et al. Esthetic evaluation of Asian-Chinese profiles from a white perspective. Am J Orthod Dentofacial Orthop. 2008;133(4):532-8.
Chan, E. K., Soh, J., Petocz, P., & Darendeliler, M. A. (2008). Esthetic evaluation of Asian-Chinese profiles from a white perspective. American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics, 133(4), 532-8. https://doi.org/10.1016/j.ajodo.2006.03.038
Chan EK, et al. Esthetic Evaluation of Asian-Chinese Profiles From a White Perspective. Am J Orthod Dentofacial Orthop. 2008;133(4):532-8. PubMed PMID: 18405817.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Esthetic evaluation of Asian-Chinese profiles from a white perspective. AU - Chan,Eugene K M, AU - Soh,Jen, AU - Petocz,Peter, AU - Darendeliler,M Ali, PY - 2005/12/14/received PY - 2006/02/24/revised PY - 2006/03/06/accepted PY - 2008/4/15/pubmed PY - 2008/4/29/medline PY - 2008/4/15/entrez SP - 532 EP - 8 JF - American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics JO - Am J Orthod Dentofacial Orthop VL - 133 IS - 4 N2 - INTRODUCTION: Immigration from Asian countries to North America and Australia has resulted in more Asian patients treated by white orthodontists. Planning treatment for patients of different ethnicities can be a challenge. The aim of this study was to establish baseline data for the assessment of Asian-Chinese profiles from a white perspective. METHODS: Two Asian-Chinese profile images, 1 male and 1 female, were modified to create 7 profiles for each gender. Each profile showed a distinct characteristic: bimaxillary protrusion, protrusive mandible, retrusive mandible, normal profile (Class I incisor with Class I skeletal pattern), retrusive maxilla, protrusive maxilla, and bimaxillary retrusion. The images were viewed and ranked by 142 white examiners in 3 cohorts: 31 orthodontists, 31 dental students, and 80 laypersons from a mixed multi-ethnic metropolitan community. The facial anatomy that played the most important role in their decision making was also noted. Collected data in the form of ranks were statistically analyzed by using repeated measures analysis of variance. RESULTS: All examiners preferred the normal Class I or bimaxillary retrusive profiles in both sexes; the male profile ranked the least attractive was the protrusive mandible, and the female profiles ranked the least attractive were the protrusive mandible and the retrusive mandible. Orthodontists, dental students, and laypersons demonstrated similar trends in ranking the profiles. The preferred profiles diverged from bimaxillary protrusive and Class III profiles (maxillary retrusion and mandibular protrusion), which are the usual norms for ethnic Asian-Chinese. The upper lip, the lower lip, and the chin had the most emphasis when the examiners were ranking the profiles. This finding was also common in all 3 groups. CONCLUSIONS: This study demonstrated strong cohesive trends in establishing ideal facial esthetics of Asian-Chinese profiles evaluated by white persons in a multi-ethnic metropolitan community. SN - 1097-6752 UR - https://www.unboundmedicine.com/medline/citation/18405817/Esthetic_evaluation_of_Asian_Chinese_profiles_from_a_white_perspective_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0889-5406(07)01111-0 DB - PRIME DP - Unbound Medicine ER -