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      Stereophotogrammetry to reveal age‐related changes of labial morphology among Chinese women aging from 20 to 60

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          Abstract

          Background

          The lip is of important aesthetic value and highly subjected to aging. Collecting anthropometric baseline data and understanding age‐related changes of labial morphology can help with diagnosis of deformity, assessment of aging, and planning of cosmetic procedures. Many studies have focused on Caucasians, while there is a lack of anthropometric data on Chinese women.

          Methods

          A total of 169 women were enrolled in this cross‐sectional study and divided into four consecutive age groups. Linear distances, angles, and surface area data were obtained via stereophotogrammetry. Intergroup comparisons between different age groups were performed to find age‐related differences.

          Results

          Lip width significantly increased with age while philtrum width seemed to show no obvious change. Cutaneous upper and lower lip height increased, lengthening the lip in the vertical dimension. Decrease of upper vermilion height and changes in angles indicated that aging process shortened the upper vermilion and flattened the vermilion border. Surface area also showed age‐related changes. Intergroup comparison showed no statistical significance in most variables between 20s and 30s or 30s and 40s, while age‐related changes in some variables were significant between 40s and 50s.

          Conclusion

          This study provided anthropometric data of labial morphology across a wide age range. Aging process affected a variety of labial anthropometric variables. Age‐related changes accelerated after 40 among Chinese women.

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          Most cited references26

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          Comparison of three methods of facial measurement.

          The aims of this study were to assess the accuracy of measurements recorded by 3D stereophotogrammetry and to compare three methods of facial measurement: manual anthropometry, 3D stereophotogrammetry and 2D photography. Measurements were taken from 14 landmarks on each of six volunteers and compared. In addition, the variability of the methods was assessed. Three-dimensional measurements were shown to compare well with manual measurements on volunteers as well as test objects for which the mean difference was 0.23 mm (shortest distance) and 0.13 mm (surface). All the three methods of measurement were found to have good levels of repeatability. Two-dimensional measurements were more variable than manual measurements (P=0.021). Three-dimensional stereophotogrammetric measurements were shown to compare well with manual measurements although the values obtained were mostly slightly larger. Stereophotogrammetry allows images to be taken in a Medical Photography Department, facilitating the accurate measurement of facial morphology from digitized data, including changes associated with treatment or growth. There are clear potential benefits of using 3D measurements in the assessment of facial deformity.
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            Aging and cosmetic enhancement

            Obsession with a youthful appearance has become commonplace in modern society and has resulted in an upswing in cosmetic procedures trying to reverse the aging process. We selectively review the literature on aging and cosmetic surgery, with particular regard for the aging face. We pay attention to psychosocial aspects of response to such cosmetic procedures, both in terms of outcome and with respect to risk factors for a poor outcome.
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              The aging lip: a comparative histological analysis of age-related changes in the upper lip complex.

              Upper lip rejuvenation is achieved by a large variety of different treatment approaches that clearly lack a unified theoretical background of the aging processes of the upper lip complex. In this study, the histological changes that occur in the aging upper lip were systematically evaluated for the first time.
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                Author and article information

                Contributors
                xiao.longpumch@outlook.com
                Journal
                Skin Res Technol
                Skin Res Technol
                10.1111/(ISSN)1600-0846
                SRT
                Skin Research and Technology
                John Wiley and Sons Inc. (Hoboken )
                0909-752X
                1600-0846
                26 June 2020
                January 2021
                : 27
                : 1 ( doiID: 10.1111/srt.v27.1 )
                : 41-48
                Affiliations
                [ 1 ] Chinese Academy of Medical Sciences & Peking Union Medical College Beijing People's Republic of China
                [ 2 ] Department of Plastic and Aesthetic Surgery Peking Union Medical College Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Beijing People's Republic of China
                Author notes
                [*] [* ] Correspondence

                Xiao Long, Department of Plastic and Aesthetic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China.

                Email: xiao.longpumch@ 123456outlook.com

                Article
                SRT12906
                10.1111/srt.12906
                7984336
                32592198
                cdbe05cd-a4b4-4071-a53c-33172fe1ac71
                © 2020 The Authors. Skin Research and Technology published by John Wiley & Sons Ltd

                This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

                Page count
                Figures: 3, Tables: 4, Pages: 8, Words: 5215
                Product
                Categories
                Original Article
                Original Articles
                Custom metadata
                2.0
                January 2021
                Converter:WILEY_ML3GV2_TO_JATSPMC version:6.0.0 mode:remove_FC converted:22.03.2021

                3d photography,aging,anthropometric,chinese women,labial morphology

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