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Article: Evaluation of the relationship between malar projection and lower facial convexity in terms of perceived attractiveness in 3-dimensional reconstructed images

TitleEvaluation of the relationship between malar projection and lower facial convexity in terms of perceived attractiveness in 3-dimensional reconstructed images
Authors
KeywordsMalar
Lower facial convexity
Jaws
3-dimensional
CBCT
Issue Date2020
PublisherBioMed Central Ltd. The Journal's web site is located at http://www.head-face-med.com
Citation
Head & Face Medicine, 2020, v. 16 n. 1, p. article no. 8 How to Cite?
AbstractBackground: This study aimed to investigate dental student’s perception of facial attractiveness with regard to different combinations of anteroposterior malar-jaw positions using 3-dimensional (3-D) reconstructed images of subjects. Methods: Two Chinese young adults (1 male and 1 female) with straight profiles and average malar projections were selected for the study. 3-D facial images and cone-beam computed tomography images of these two subjects were superimposed using 3-D imaging software. Lateral and oblique views of nine different images were created by moving the maxillomandibular complex and/or zygomatic bone by 4 mm either forward or backward along the sagittal plane. One hundred three undergraduate dental students (n = 24, 33, and 46 students from the Year 3, 4, and 5, respectively) then scored lateral and 45° oblique view images of the newly reconstructed faces. Results: In the present study, images with a neutral malar and retruded jaws were found to be the most attractive in both male and female subjects. In addition, the Protruded malar (PM) group (p < 0.001), and the Retruded Jaws (RJ) group were rated more attractive (p < 0.001). Furthermore, the Relatively Prominent malar (RP) group was rated more attractive (p < 0.001) when malar-jaw relative positions were compared. Conclusion This study shows that a neutral or a protruded malar favours facial attractiveness in both Chinese male and female subjects. Therefore, an appropriate relationship between malar projection and lower facial convexity should be taken into consideration while designing the orthodontic/orthognathic treatment plans for enhanced aesthetic outcomes.
Persistent Identifierhttp://hdl.handle.net/10722/286144
ISSN
2020 Impact Factor: 2.151
2020 SCImago Journal Rankings: 0.620
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWoo, HK-
dc.contributor.authorAJMERA, DH-
dc.contributor.authorSingh, P-
dc.contributor.authorLi, KY-
dc.contributor.authorBornstein, MM-
dc.contributor.authorTse, KL-
dc.contributor.authorYang, Y-
dc.contributor.authorGu, M-
dc.date.accessioned2020-08-31T06:59:45Z-
dc.date.available2020-08-31T06:59:45Z-
dc.date.issued2020-
dc.identifier.citationHead & Face Medicine, 2020, v. 16 n. 1, p. article no. 8-
dc.identifier.issn1746-160X-
dc.identifier.urihttp://hdl.handle.net/10722/286144-
dc.description.abstractBackground: This study aimed to investigate dental student’s perception of facial attractiveness with regard to different combinations of anteroposterior malar-jaw positions using 3-dimensional (3-D) reconstructed images of subjects. Methods: Two Chinese young adults (1 male and 1 female) with straight profiles and average malar projections were selected for the study. 3-D facial images and cone-beam computed tomography images of these two subjects were superimposed using 3-D imaging software. Lateral and oblique views of nine different images were created by moving the maxillomandibular complex and/or zygomatic bone by 4 mm either forward or backward along the sagittal plane. One hundred three undergraduate dental students (n = 24, 33, and 46 students from the Year 3, 4, and 5, respectively) then scored lateral and 45° oblique view images of the newly reconstructed faces. Results: In the present study, images with a neutral malar and retruded jaws were found to be the most attractive in both male and female subjects. In addition, the Protruded malar (PM) group (p < 0.001), and the Retruded Jaws (RJ) group were rated more attractive (p < 0.001). Furthermore, the Relatively Prominent malar (RP) group was rated more attractive (p < 0.001) when malar-jaw relative positions were compared. Conclusion This study shows that a neutral or a protruded malar favours facial attractiveness in both Chinese male and female subjects. Therefore, an appropriate relationship between malar projection and lower facial convexity should be taken into consideration while designing the orthodontic/orthognathic treatment plans for enhanced aesthetic outcomes.-
dc.languageeng-
dc.publisherBioMed Central Ltd. The Journal's web site is located at http://www.head-face-med.com-
dc.relation.ispartofHead & Face Medicine-
dc.rightsHead & Face Medicine. Copyright © BioMed Central Ltd.-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectMalar-
dc.subjectLower facial convexity-
dc.subjectJaws-
dc.subject3-dimensional-
dc.subjectCBCT-
dc.titleEvaluation of the relationship between malar projection and lower facial convexity in terms of perceived attractiveness in 3-dimensional reconstructed images-
dc.typeArticle-
dc.identifier.emailLi, KY: skyli@hku.hk-
dc.identifier.emailBornstein, MM: bornst@hku.hk-
dc.identifier.emailYang, Y: yangyanq@hku.hk-
dc.identifier.emailGu, M: drgumin@hku.hk-
dc.identifier.authorityBornstein, MM=rp02217-
dc.identifier.authorityYang, Y=rp00045-
dc.identifier.authorityGu, M=rp01892-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1186/s13005-020-00223-5-
dc.identifier.pmid32345357-
dc.identifier.pmcidPMC7187519-
dc.identifier.scopuseid_2-s2.0-85084107183-
dc.identifier.hkuros313507-
dc.identifier.volume16-
dc.identifier.issue1-
dc.identifier.spagearticle no. 8-
dc.identifier.epagearticle no. 8-
dc.identifier.isiWOS:000530545800001-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl1746-160X-

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