Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate

Detalhes bibliográficos
Autor(a) principal: Bueno, Patricia Martins
Data de Publicação: 2020
Tipo de documento: Dissertação
Idioma: eng
Título da fonte: Biblioteca Digital de Teses e Dissertações da USP
Texto Completo: https://www.teses.usp.br/teses/disponiveis/61/61132/tde-02102020-120949/
Resumo: Introduction: Cleft lip and palate (CLP) frequently leads to a maxillary deficiency, induced by primary reconstructive plastic surgery, often requiring orthognathic surgery (OS) in adulthood. Objective: To evaluate the impact of orthognathic surgery on the stomatognathic system of individuals with repaired CLP by assessing bite force (BF). Material and Methods: Forty individuals were prospectively divided into 2 groups: 1) CON: 20 individuals without CLP (10 male, 10 female, 20y±7.4), 2) CLP: 20 individuals with CLP and with indication for OS (11 male, 9 female, 23.5y±5.9; 10 unilateral; 10 bilateral), BF was evaluated in the immediate preoperative period (PRE), 3 months postoperatively (POST3M) and 6 months postoperatively (POST6M), by means of a gnathodynamometer (IDDK Kratos, Cotia-SP, Brazil). Results: BF of the CLP was significantly lower than that of the CON in all evaluated periods. BF of individuals with CLP was significantly lower in POST3M when compared to PRE and POST6M. Although not significant, BF was increased in POST6M when compared to PRE. A significant increase in BF was observed between POST3M and POST6M. The BF of unilateral and bilateral CLP individuals were statistically similar. Males presented a BF almost twice as high as females. Conclusion: Cleft lip and palate negatively impacts BF. Although BF values increased 6 months after orthognathic surgery, it was still significantly reduced when compared to control individuals, not reaching normative values
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spelling Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palateImpacto da cirurgia ortognática sobre a força de mordida de indivíduos com fissura labiopalatina reparadaBite forceCirurgia ortognáticaCleft lipCleft palateFissura palatinaForça de mordidaOrthognathic surgerySistema estomatognáticoStomatognathic systemIntroduction: Cleft lip and palate (CLP) frequently leads to a maxillary deficiency, induced by primary reconstructive plastic surgery, often requiring orthognathic surgery (OS) in adulthood. Objective: To evaluate the impact of orthognathic surgery on the stomatognathic system of individuals with repaired CLP by assessing bite force (BF). Material and Methods: Forty individuals were prospectively divided into 2 groups: 1) CON: 20 individuals without CLP (10 male, 10 female, 20y±7.4), 2) CLP: 20 individuals with CLP and with indication for OS (11 male, 9 female, 23.5y±5.9; 10 unilateral; 10 bilateral), BF was evaluated in the immediate preoperative period (PRE), 3 months postoperatively (POST3M) and 6 months postoperatively (POST6M), by means of a gnathodynamometer (IDDK Kratos, Cotia-SP, Brazil). Results: BF of the CLP was significantly lower than that of the CON in all evaluated periods. BF of individuals with CLP was significantly lower in POST3M when compared to PRE and POST6M. Although not significant, BF was increased in POST6M when compared to PRE. A significant increase in BF was observed between POST3M and POST6M. The BF of unilateral and bilateral CLP individuals were statistically similar. Males presented a BF almost twice as high as females. Conclusion: Cleft lip and palate negatively impacts BF. Although BF values increased 6 months after orthognathic surgery, it was still significantly reduced when compared to control individuals, not reaching normative valuesIntrodução: As fissuras labiopalatinas causam uma alteração morfofuncional significativa no sistema estomatognático, principalmente pela deficiência maxilar induzida pelas cirurgias plásticas reconstrutivas primárias, muitas vezes sendo necessária a cirurgia ortognática na fase adulta. Objetivo: Avaliar o impacto da cirurgia ortognática sobre o sistema estomatognático de indivíduos com fissura labiopalatina reparada, por meio da avaliação da força de mordida. Material e Métodos: foram selecionados para essa pesquisa prospectiva, 40 indivíduos, divididos em 2 grupos: 1) CON: 20 indivíduos sem fissura labiopalatina, com classe I de Angle (10 homens, 10 mulheres, 20 anos ± 7,4), e, 2) FLP: 20 indivíduos com fissura labiopalatina (unilateral=10; bilateral=10; 10 homens, 10 mulheres, 23,5 anos ± 5,9) e com indicação para cirurgia ortognática. Para tanto, avaliou-se a força de mordida (FM) em três regiões da arcada dentária em três momentos distintos, no período pré-operatório imediato (PRÉ), período pós-operatório de 3 meses (PO3M) e no período pós-operatório de 6 meses (PO6M), com o uso de um gnatodinamômetro (IDDK Kratos, Cotia-SP, Brazil). Resultados: A FM do grupo FLP em todas as regiões e períodos avaliadas foi significativamente menor que do grupo CON. A FM de indivíduos com FLP no PO3M, foi significativamente menor quando comparada ao PRÉ e ao PO6M. No PO6M, a FM estava aumentada em relação ao PRÉ, porém sem significância estatística. Na comparação entre PO3M e PO6M houve um aumento significante da FM. Já, na comparação dos indivíduos com FLP unilateral versus bilateral, observou-se FM estatisticamente similares. Indivíduos do gênero masculino apresentaram FM quase duas vezes maior que o gênero feminino. Conclusão: A fissura labiopalatina impacta negativamente a função do sistema estomatognático, interferindo em seu principal parâmetro, a força de mordida. Apesar de ter se observado aumento dos valores de FM no período pós-operatório tardio de 6 meses, em relação à FM prévia à cirurgia ortognática, ainda assim, ela estava significativamente reduzida em relação à indivíduos sem fissura labiopalatina, não atingindo os parâmetros de normalidadeBiblioteca Digitais de Teses e Dissertações da USPSuedam, Ivy Kiemle TrindadeBueno, Patricia Martins2020-03-03info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttps://www.teses.usp.br/teses/disponiveis/61/61132/tde-02102020-120949/reponame:Biblioteca Digital de Teses e Dissertações da USPinstname:Universidade de São Paulo (USP)instacron:USPLiberar o conteúdo para acesso público.info:eu-repo/semantics/openAccesseng2022-10-02T12:58:06Zoai:teses.usp.br:tde-02102020-120949Biblioteca Digital de Teses e Dissertaçõeshttp://www.teses.usp.br/PUBhttp://www.teses.usp.br/cgi-bin/mtd2br.plvirginia@if.usp.br|| atendimento@aguia.usp.br||virginia@if.usp.bropendoar:27212022-10-02T12:58:06Biblioteca Digital de Teses e Dissertações da USP - Universidade de São Paulo (USP)false
dc.title.none.fl_str_mv Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
Impacto da cirurgia ortognática sobre a força de mordida de indivíduos com fissura labiopalatina reparada
title Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
spellingShingle Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
Bueno, Patricia Martins
Bite force
Cirurgia ortognática
Cleft lip
Cleft palate
Fissura palatina
Força de mordida
Orthognathic surgery
Sistema estomatognático
Stomatognathic system
title_short Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
title_full Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
title_fullStr Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
title_full_unstemmed Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
title_sort Impact of orthognathic surgery on bite force of individuals with repaired cleft lip and palate
author Bueno, Patricia Martins
author_facet Bueno, Patricia Martins
author_role author
dc.contributor.none.fl_str_mv Suedam, Ivy Kiemle Trindade
dc.contributor.author.fl_str_mv Bueno, Patricia Martins
dc.subject.por.fl_str_mv Bite force
Cirurgia ortognática
Cleft lip
Cleft palate
Fissura palatina
Força de mordida
Orthognathic surgery
Sistema estomatognático
Stomatognathic system
topic Bite force
Cirurgia ortognática
Cleft lip
Cleft palate
Fissura palatina
Força de mordida
Orthognathic surgery
Sistema estomatognático
Stomatognathic system
description Introduction: Cleft lip and palate (CLP) frequently leads to a maxillary deficiency, induced by primary reconstructive plastic surgery, often requiring orthognathic surgery (OS) in adulthood. Objective: To evaluate the impact of orthognathic surgery on the stomatognathic system of individuals with repaired CLP by assessing bite force (BF). Material and Methods: Forty individuals were prospectively divided into 2 groups: 1) CON: 20 individuals without CLP (10 male, 10 female, 20y±7.4), 2) CLP: 20 individuals with CLP and with indication for OS (11 male, 9 female, 23.5y±5.9; 10 unilateral; 10 bilateral), BF was evaluated in the immediate preoperative period (PRE), 3 months postoperatively (POST3M) and 6 months postoperatively (POST6M), by means of a gnathodynamometer (IDDK Kratos, Cotia-SP, Brazil). Results: BF of the CLP was significantly lower than that of the CON in all evaluated periods. BF of individuals with CLP was significantly lower in POST3M when compared to PRE and POST6M. Although not significant, BF was increased in POST6M when compared to PRE. A significant increase in BF was observed between POST3M and POST6M. The BF of unilateral and bilateral CLP individuals were statistically similar. Males presented a BF almost twice as high as females. Conclusion: Cleft lip and palate negatively impacts BF. Although BF values increased 6 months after orthognathic surgery, it was still significantly reduced when compared to control individuals, not reaching normative values
publishDate 2020
dc.date.none.fl_str_mv 2020-03-03
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.teses.usp.br/teses/disponiveis/61/61132/tde-02102020-120949/
url https://www.teses.usp.br/teses/disponiveis/61/61132/tde-02102020-120949/
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv
dc.rights.driver.fl_str_mv Liberar o conteúdo para acesso público.
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Liberar o conteúdo para acesso público.
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv
dc.publisher.none.fl_str_mv Biblioteca Digitais de Teses e Dissertações da USP
publisher.none.fl_str_mv Biblioteca Digitais de Teses e Dissertações da USP
dc.source.none.fl_str_mv
reponame:Biblioteca Digital de Teses e Dissertações da USP
instname:Universidade de São Paulo (USP)
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instname_str Universidade de São Paulo (USP)
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institution USP
reponame_str Biblioteca Digital de Teses e Dissertações da USP
collection Biblioteca Digital de Teses e Dissertações da USP
repository.name.fl_str_mv Biblioteca Digital de Teses e Dissertações da USP - Universidade de São Paulo (USP)
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