Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons

Detalhes bibliográficos
Autor(a) principal: Machado, Andre Wilson Lima
Data de Publicação: 2013
Outros Autores: Moon, Won, Gandini Júnior, Luiz Gonzaga
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/12140
Resumo: Texto completo. Acesso restrito. p. 658–664
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spelling Machado, Andre Wilson LimaMoon, WonGandini Júnior, Luiz GonzagaMachado, Andre Wilson LimaMoon, WonGandini Júnior, Luiz Gonzaga2013-07-08T17:01:41Z2013-07-08T17:01:41Z20130889-5406http://www.repositorio.ufba.br/ri/handle/ri/12140v. 143, n. 5Texto completo. Acesso restrito. p. 658–664Introduction: Our objective was to determine the perception of smile esthetics among orthodontists and laypeople with respect to asymmetries on the maxillary incisor edges in a frontal smile analysis. Methods: Two frontal close-up smile photos of 2 women, 1 white and 1 Afro-Brazilian, were selected for this study. Both smiles displayed healthy maxillary anterior dentitions. The images were digitally altered to create tooth wear on the maxillary left central and lateral incisors in 0.5-mm increments. The final images were randomly assembled into a photo album that was given to 120 judges, 60 orthodontists and 60 laypersons. Each rater was asked to evaluate the attractiveness of the images with visual analog scales. The data collected were statistically analyzed with 1-way analysis of variance with the Tukey post-hoc test and the unpaired Student t test. Results: The most attractive smiles in both types of smiles were those without asymmetries and the 0.5- mm wear in the lateral incisor. In general, tooth wear was considered unattractive by both groups of raters following a pattern: the more tooth wear, the more unattractive the smile; tooth wear in the central incisor was considered more unattractive than in the lateral incisor. For both group of raters, 0.5 mm of wear in the central incisor was considered unattractive, whereas the thresholds for lateral incisor discrepancies were 0.5 mm for orthodontists and 1.0 mm for laypersons. Conclusions: The result of this study corroborates the clinical assumption that symmetry between the maxillary central incisors is a paramount goal for esthetic treatments.Submitted by Santiago Fabio (fabio.ssantiago@hotmail.com) on 2013-06-12T18:54:38Z No. of bitstreams: 1 6666666666.pdf: 759614 bytes, checksum: 5b0d2e1af0b5194b504390fe249bbcbd (MD5)Approved for entry into archive by NELIJANE MENEZES(rubi2276@gmail.com) on 2013-07-08T17:01:41Z (GMT) No. of bitstreams: 1 6666666666.pdf: 759614 bytes, checksum: 5b0d2e1af0b5194b504390fe249bbcbd (MD5)Made available in DSpace on 2013-07-08T17:01:41Z (GMT). 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dc.title.pt_BR.fl_str_mv Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
dc.title.alternative.pt_BR.fl_str_mv American Journal of Orthodontics and Dentofacial Orthopedics
title Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
spellingShingle Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
Machado, Andre Wilson Lima
title_short Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
title_full Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
title_fullStr Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
title_full_unstemmed Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
title_sort Influence of maxillary incisor edge asymmetries on the perception of smile esthetics among orthodontists and laypersons
author Machado, Andre Wilson Lima
author_facet Machado, Andre Wilson Lima
Moon, Won
Gandini Júnior, Luiz Gonzaga
author_role author
author2 Moon, Won
Gandini Júnior, Luiz Gonzaga
author2_role author
author
dc.contributor.author.fl_str_mv Machado, Andre Wilson Lima
Moon, Won
Gandini Júnior, Luiz Gonzaga
Machado, Andre Wilson Lima
Moon, Won
Gandini Júnior, Luiz Gonzaga
description Texto completo. Acesso restrito. p. 658–664
publishDate 2013
dc.date.accessioned.fl_str_mv 2013-07-08T17:01:41Z
dc.date.available.fl_str_mv 2013-07-08T17:01:41Z
dc.date.issued.fl_str_mv 2013
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/12140
dc.identifier.issn.none.fl_str_mv 0889-5406
dc.identifier.number.pt_BR.fl_str_mv v. 143, n. 5
identifier_str_mv 0889-5406
v. 143, n. 5
url http://www.repositorio.ufba.br/ri/handle/ri/12140
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Journal of Orthodontics and Dentofacial Orthopedics
publisher.none.fl_str_mv American Journal of Orthodontics and Dentofacial Orthopedics
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/j.ajodo.2013.02.013
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
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