Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals

Objectives. The study assessed the impact of facial height on attractiveness of smile, in association with the maxillary gingival display. This research was performed by dental professionals and laypersons. Materials and Methods. Frontal extraoral photographs were captured for both short and long fa...

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Main Authors: Amjad Al Taki, Thar Hayder Mohammed, Ahmad Mohammad Hamdan
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:International Journal of Dentistry
Online Access:http://dx.doi.org/10.1155/2017/2637148
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author Amjad Al Taki
Thar Hayder Mohammed
Ahmad Mohammad Hamdan
author_facet Amjad Al Taki
Thar Hayder Mohammed
Ahmad Mohammad Hamdan
author_sort Amjad Al Taki
collection DOAJ
description Objectives. The study assessed the impact of facial height on attractiveness of smile, in association with the maxillary gingival display. This research was performed by dental professionals and laypersons. Materials and Methods. Frontal extraoral photographs were captured for both short and long faces. The photographs were modified using software for image-processing and three rater groups (orthodontists, dentists, and laypersons) evaluated the smile attractiveness, with 30 subjects in each group. Differences in ratings of the different smiles among the different experimental groups were examined using the Kruskal-Wallis test. The Mann–Whitney U test was performed for pairwise comparisons between the experimental groups. Results. Dentists and laypeople were most likely to agree. For the short face, laypeople and dentists both rated the +2 mm gingival display smile as the most attractive smile whilst orthodontists ranked the 0 mm gingival display smile as the most attractive smile. For the long face, laypeople and dentists ranked the 0 mm gingival display smile as the most attractive smile, whilst orthodontists ranked the +2 mm gingival display as the most attractive. Conclusion. Smile line of both short and long face subjects was found to influence the smile attractiveness rating by the three rater groups.
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spelling doaj-art-c651aaa335e34efb9ea1a3f15ee52e742025-02-03T05:58:28ZengWileyInternational Journal of Dentistry1687-87281687-87362017-01-01201710.1155/2017/26371482637148Influence of the Smile Line on Smile Attractiveness in Short and Long Face IndividualsAmjad Al Taki0Thar Hayder Mohammed1Ahmad Mohammad Hamdan2Smile Spa Dental Clinic, Dubai, UAEAjman University of Science and Technology, Ajman, UAEDepartment of Orthodontic & Pediatric Dentistry, Faculty of Dentistry, University of Jordan, Amman, JordanObjectives. The study assessed the impact of facial height on attractiveness of smile, in association with the maxillary gingival display. This research was performed by dental professionals and laypersons. Materials and Methods. Frontal extraoral photographs were captured for both short and long faces. The photographs were modified using software for image-processing and three rater groups (orthodontists, dentists, and laypersons) evaluated the smile attractiveness, with 30 subjects in each group. Differences in ratings of the different smiles among the different experimental groups were examined using the Kruskal-Wallis test. The Mann–Whitney U test was performed for pairwise comparisons between the experimental groups. Results. Dentists and laypeople were most likely to agree. For the short face, laypeople and dentists both rated the +2 mm gingival display smile as the most attractive smile whilst orthodontists ranked the 0 mm gingival display smile as the most attractive smile. For the long face, laypeople and dentists ranked the 0 mm gingival display smile as the most attractive smile, whilst orthodontists ranked the +2 mm gingival display as the most attractive. Conclusion. Smile line of both short and long face subjects was found to influence the smile attractiveness rating by the three rater groups.http://dx.doi.org/10.1155/2017/2637148
spellingShingle Amjad Al Taki
Thar Hayder Mohammed
Ahmad Mohammad Hamdan
Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals
International Journal of Dentistry
title Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals
title_full Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals
title_fullStr Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals
title_full_unstemmed Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals
title_short Influence of the Smile Line on Smile Attractiveness in Short and Long Face Individuals
title_sort influence of the smile line on smile attractiveness in short and long face individuals
url http://dx.doi.org/10.1155/2017/2637148
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