Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian journal of oral sciences (Online) |
Texto Completo: | https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8650038 |
Resumo: | Objective: The aim of this study was to determine if Bolton’s tooth size ratios can be applied to Mediterranean, Japanese and Japanese-Brazilian populations. Materials and methods: The sample comprised 90 pairs of dental casts of untreated individuals with normal occlusion, divided into 3 groups according to ethnical characteristics: White (30 Mediterranean descendant subjects, with a mean age of 13.64 years), Japanese (30 subjects with Japanese ancestry, with a mean age of 15.63 years) and Japanese-Brazilian (30 Japanese-Brazilian subjects, with a mean age of 13.96 years). A digital caliper was used to measure the maxillary and mandibular mesiodistal widths from first molar to first molar on each dental cast. The anterior and overall tooth size ratios were calculated. T test was applied for comparisons between Bolton standards and the ethnical groups for anterior and overall ratios. Results: Only the Japanese-Brazilian group showed significantly greater ratios than Bolton standards. Conclusion: It was concluded that Bolton’s ratios are not applicable to the Japanese-Brazilian population. Therefore, it is suggested that Bolton’s ratios may not be suitable for different populations. |
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Brazilian journal of oral sciences (Online) |
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Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populationsApplicability of bolton’s tooth size ratios among mediterranean, japanese and japanese-brazilian populationsDental occlusion. Ethnic groups. Orthodontics.Objective: The aim of this study was to determine if Bolton’s tooth size ratios can be applied to Mediterranean, Japanese and Japanese-Brazilian populations. Materials and methods: The sample comprised 90 pairs of dental casts of untreated individuals with normal occlusion, divided into 3 groups according to ethnical characteristics: White (30 Mediterranean descendant subjects, with a mean age of 13.64 years), Japanese (30 subjects with Japanese ancestry, with a mean age of 15.63 years) and Japanese-Brazilian (30 Japanese-Brazilian subjects, with a mean age of 13.96 years). A digital caliper was used to measure the maxillary and mandibular mesiodistal widths from first molar to first molar on each dental cast. The anterior and overall tooth size ratios were calculated. T test was applied for comparisons between Bolton standards and the ethnical groups for anterior and overall ratios. Results: Only the Japanese-Brazilian group showed significantly greater ratios than Bolton standards. Conclusion: It was concluded that Bolton’s ratios are not applicable to the Japanese-Brazilian population. Therefore, it is suggested that Bolton’s ratios may not be suitable for different populations.Objective: The aim of this study was to determine if Bolton’s tooth size ratios can be applied to Mediterranean, Japanese and Japanese-Brazilian populations. Materials and methods: The sample comprised 90 pairs of dental casts of untreated individuals with normal occlusion, divided into 3 groups according to ethnical characteristics: White (30 Mediterranean descendant subjects, with a mean age of 13.64 years), Japanese (30 subjects with Japanese ancestry, with a mean age of 15.63 years) and Japanese-Brazilian (30 Japanese-Brazilian subjects, with a mean age of 13.96 years). A digital caliper was used to measure the maxillary and mandibular mesiodistal widths from first molar to first molar on each dental cast. The anterior and overall tooth size ratios were calculated. T test was applied for comparisons between Bolton standards and the ethnical groups for anterior and overall ratios. Results: Only the Japanese-Brazilian group showed significantly greater ratios than Bolton standards. Conclusion: It was concluded that Bolton’s ratios are not applicable to the Japanese-Brazilian population. Therefore, it is suggested that Bolton’s ratios may not be suitable for different populations.Universidade Estadual de Campinas2017-09-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionMétodo experimentalOriginal articleapplication/pdfhttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/865003810.20396/bjos.v15i4.8650038Brazilian Journal of Oral Sciences; v. 15 n. 4 (2016): Oct./Dec.; 269-272Brazilian Journal of Oral Sciences; Vol. 15 No. 4 (2016): Oct./Dec.; 269-2721677-3225reponame:Brazilian journal of oral sciences (Online)instname:Universidade Estadual de Campinas (UNICAMP)instacron:UNICAMPenghttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8650038/16437Brazil; ContemporanySakoda, Karine LaskosPinzan, ArnaldoJanson, GuilhermeCury, Sérgio Elias Nevesinfo:eu-repo/semantics/openAccess2019-11-21T18:39:49Zoai:ojs.periodicos.sbu.unicamp.br:article/8650038Revistahttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/PUBhttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/oaibrjorals@fop.unicamp.br||brjorals@fop.unicamp.br1677-32251677-3217opendoar:2019-11-21T18:39:49Brazilian journal of oral sciences (Online) - Universidade Estadual de Campinas (UNICAMP)false |
dc.title.none.fl_str_mv |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations Applicability of bolton’s tooth size ratios among mediterranean, japanese and japanese-brazilian populations |
title |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations |
spellingShingle |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations Sakoda, Karine Laskos Dental occlusion. Ethnic groups. Orthodontics. |
title_short |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations |
title_full |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations |
title_fullStr |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations |
title_full_unstemmed |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations |
title_sort |
Applicability of bolton’s tooth size ratios in mediterranean, japanese and japanese-brazilian populations |
author |
Sakoda, Karine Laskos |
author_facet |
Sakoda, Karine Laskos Pinzan, Arnaldo Janson, Guilherme Cury, Sérgio Elias Neves |
author_role |
author |
author2 |
Pinzan, Arnaldo Janson, Guilherme Cury, Sérgio Elias Neves |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Sakoda, Karine Laskos Pinzan, Arnaldo Janson, Guilherme Cury, Sérgio Elias Neves |
dc.subject.por.fl_str_mv |
Dental occlusion. Ethnic groups. Orthodontics. |
topic |
Dental occlusion. Ethnic groups. Orthodontics. |
description |
Objective: The aim of this study was to determine if Bolton’s tooth size ratios can be applied to Mediterranean, Japanese and Japanese-Brazilian populations. Materials and methods: The sample comprised 90 pairs of dental casts of untreated individuals with normal occlusion, divided into 3 groups according to ethnical characteristics: White (30 Mediterranean descendant subjects, with a mean age of 13.64 years), Japanese (30 subjects with Japanese ancestry, with a mean age of 15.63 years) and Japanese-Brazilian (30 Japanese-Brazilian subjects, with a mean age of 13.96 years). A digital caliper was used to measure the maxillary and mandibular mesiodistal widths from first molar to first molar on each dental cast. The anterior and overall tooth size ratios were calculated. T test was applied for comparisons between Bolton standards and the ethnical groups for anterior and overall ratios. Results: Only the Japanese-Brazilian group showed significantly greater ratios than Bolton standards. Conclusion: It was concluded that Bolton’s ratios are not applicable to the Japanese-Brazilian population. Therefore, it is suggested that Bolton’s ratios may not be suitable for different populations. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-09-20 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Método experimental Original article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8650038 10.20396/bjos.v15i4.8650038 |
url |
https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8650038 |
identifier_str_mv |
10.20396/bjos.v15i4.8650038 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8650038/16437 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.coverage.none.fl_str_mv |
Brazil; Contemporany |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Campinas |
publisher.none.fl_str_mv |
Universidade Estadual de Campinas |
dc.source.none.fl_str_mv |
Brazilian Journal of Oral Sciences; v. 15 n. 4 (2016): Oct./Dec.; 269-272 Brazilian Journal of Oral Sciences; Vol. 15 No. 4 (2016): Oct./Dec.; 269-272 1677-3225 reponame:Brazilian journal of oral sciences (Online) instname:Universidade Estadual de Campinas (UNICAMP) instacron:UNICAMP |
instname_str |
Universidade Estadual de Campinas (UNICAMP) |
instacron_str |
UNICAMP |
institution |
UNICAMP |
reponame_str |
Brazilian journal of oral sciences (Online) |
collection |
Brazilian journal of oral sciences (Online) |
repository.name.fl_str_mv |
Brazilian journal of oral sciences (Online) - Universidade Estadual de Campinas (UNICAMP) |
repository.mail.fl_str_mv |
brjorals@fop.unicamp.br||brjorals@fop.unicamp.br |
_version_ |
1800216401769660416 |