Abstract: Profile analysis was performed on 180 Thai female subjects with ages ranging from 16 to 21 years. Seventy were of Chinese origin. The determination of the profile analysis mean values was based on the methods of Schwarz, Subtelny, Ricketts, Burstone, and Schwartz. The results were compared to Caucasian standards and to the findings of our previous study on a Javanese population. For the profile forms, our investigated groups showed mainly prognathic faces (75% to 84%). A “shift backward” profile flow dominated. We found a “prognathic face” combined with a “shift backward” in 50% to 60% of the Asian subjects analyzed. Our soft-tissue profile results (approximately 165 ± 6°) showed less convexity than that of the Caucasians and there was no significant difference in overall profile between the 2 Thai groups (approximately 134 ± 5°); this is in the range given by Subtelny (141° to 131°) except for that of the Javanese subjects. For the lip analysis, we listed a posterior position or a lip position upon the esthetic line between 60% to 70% of both Thai groups with respect to the upper lip and only 28% to 33% for the lower lip. The Javanese group, however, showed 90% anterior position of the upper lip and 93% of the lower lip to this line. It is significant that proper blending of the integumentary profile produces an esthetically pleasing face and this varies in different ethnic groups. A good combination could even make a “prognathic face shift backward” very acceptable as illustrated by a profile analysis of Miss Thailand, 1984. We encourage studies in different ethnic groups to obtain orthodontic mean values to be used as diagnostic aids and in treatment planning instead of always using a westernized movie star image for the patients of other races.

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   |texte=   The significance of the integumentary profile
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