Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
dARK ID: | ark:/38995/001300000f1p6 |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/9720 |
Resumo: | Vertical root fractures (VRFs) represent a challenge for the dental surgeon in relation to their diagnosis and treatment. The presence of high field-of-view (FOV) materials in the field of vision in Cone Beam Computed Tomography (CBCT) images can cause a range of artifacts that affect image quality, impairing the identification of structures and visualization of the region of interest. The present study aimed to evaluate the influence of metal artifact reduction (MAR) on the diagnosis of VRF. For this, 45 extracted permanent human teeth (premolars) were fractured and divided into 3 groups: 15 teeth no filling, 15 teeth with gutta- percha and 15 teeth with metal post. A phantom was obtained with a macerated jaw and images of CBCT on Orthopantomograph 300 (OP 300) device were acquired with and without the use of MAR. Later those images were evaluated for the presence or absence of fracture. Receiver operating characteristic (ROC) curve was obtained using SPSS Statistics software 22 to calculate the area under the device curve on the use of the artifact reduction tool. The results demonstrated that the use of RA obtained the lowest results of accuracy, sensitivity and specificity for the subgroups tested. It was concluded that MAR had a negative influence on the diagnosis of VRF for all tested subgroups (no filling, gutta- percha and metal post). |
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Silva, Maria Alves Garcia Santoshttp://lattes.cnpq.br/8760691456576488Sousa, Thiago Oliveirahttp://lattes.cnpq.br/0132482031214690Silva, Maria Alves Garcia SantosSilva, Fernanda Paula YamamotoOliveira, Helder Fernandes dehttp://lattes.cnpq.br/6008792193332849Oliveira, Mariana Rodrigues de2019-06-18T15:51:11Z2019-05-10OLIVEIRA, M. R. Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais. 2019. 67 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2019.http://repositorio.bc.ufg.br/tede/handle/tede/9720ark:/38995/001300000f1p6Vertical root fractures (VRFs) represent a challenge for the dental surgeon in relation to their diagnosis and treatment. The presence of high field-of-view (FOV) materials in the field of vision in Cone Beam Computed Tomography (CBCT) images can cause a range of artifacts that affect image quality, impairing the identification of structures and visualization of the region of interest. The present study aimed to evaluate the influence of metal artifact reduction (MAR) on the diagnosis of VRF. For this, 45 extracted permanent human teeth (premolars) were fractured and divided into 3 groups: 15 teeth no filling, 15 teeth with gutta- percha and 15 teeth with metal post. A phantom was obtained with a macerated jaw and images of CBCT on Orthopantomograph 300 (OP 300) device were acquired with and without the use of MAR. Later those images were evaluated for the presence or absence of fracture. Receiver operating characteristic (ROC) curve was obtained using SPSS Statistics software 22 to calculate the area under the device curve on the use of the artifact reduction tool. The results demonstrated that the use of RA obtained the lowest results of accuracy, sensitivity and specificity for the subgroups tested. It was concluded that MAR had a negative influence on the diagnosis of VRF for all tested subgroups (no filling, gutta- percha and metal post).O diagnóstico de fraturas radiculares verticais (FRVs) ainda é complexo e constitui um desafio para o cirurgião-dentista. A presença de materiais de alta densidade em imagens de tomografia computadorizada de feixe cônico (TCFC) pode causar uma gama de artefatos que interferem na qualidade da imagem, prejudicando a identificação de estruturas e a visualização da região de interesse. O presente estudo teve por objetivo avaliar a influência de uma ferramenta de redução de artefatos (RA) no diagnóstico de FRVs. Para isto, 45 dentes pré-molares humanos extraídos foram fraturados e divididos em 3 subgrupos: sem preenchimento (n=15), com guta-percha (n=15) e com retentor intrarradicular metálico (n=15). Um fantoma foi obtido com uma mandíbula macerada e foram adquiridas imagens de TCFC no aparelho Orthopantomograph 300 (OP 300) com e sem o uso da RA. Posteriormente, essas imagens foram avaliadas por 3 examinadores quanto à presença ou ausência de fratura. A curva ROC foi obtida usando o software SPSS Statistics 22 para calcular a área sob a curva do aparelho quanto à utilização da ferramenta de redução de artefatos. Os resultados demostraram que o uso da RA obteve os menores resultados de acurácia, sensibilidade e especificidade para os subgrupos testados. Pode-se concluir que a RA influenciou negativamente no diagnóstico de FRV para todos os subgrupos testados (retentor intrarradicular metálico, guta-percha e sem preenchimento).Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2019-06-18T13:28:21Z No. of bitstreams: 2 Dissertação - Mariana Rodrigues de Oliveira - 2019.pdf: 5171714 bytes, checksum: 25e6fc6db2ec0ad99fa867242de50d22 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2019-06-18T15:51:11Z (GMT) No. of bitstreams: 2 Dissertação - Mariana Rodrigues de Oliveira - 2019.pdf: 5171714 bytes, checksum: 25e6fc6db2ec0ad99fa867242de50d22 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2019-06-18T15:51:11Z (GMT). No. of bitstreams: 2 Dissertação - Mariana Rodrigues de Oliveira - 2019.pdf: 5171714 bytes, checksum: 25e6fc6db2ec0ad99fa867242de50d22 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2019-05-10application/pdfporUniversidade Federal de GoiásPrograma de Pós-graduação em Odontologia (FO)UFGBrasilFaculdade de Odontologia - FO (RG)http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessTomografia computadorizada de feixe cônicoArtefatosFraturas dos dentesCone-beam computed tomographyArtifactsTooth fracturesCIENCIAS DA SAUDE::ODONTOLOGIAInfluência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticaisInfluence of metal artifact reduction in cone beam computed tomography on the diagnosis of vertical root fracturesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-2325576619034292269600600600-5569154581575113691-2070498469879244349reponame:Repositório Institucional da UFGinstname:Universidade Federal de Goiás (UFG)instacron:UFGLICENSElicense.txtlicense.txttext/plain; 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dc.title.eng.fl_str_mv |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
dc.title.alternative.eng.fl_str_mv |
Influence of metal artifact reduction in cone beam computed tomography on the diagnosis of vertical root fractures |
title |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
spellingShingle |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais Oliveira, Mariana Rodrigues de Tomografia computadorizada de feixe cônico Artefatos Fraturas dos dentes Cone-beam computed tomography Artifacts Tooth fractures CIENCIAS DA SAUDE::ODONTOLOGIA |
title_short |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
title_full |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
title_fullStr |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
title_full_unstemmed |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
title_sort |
Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais |
author |
Oliveira, Mariana Rodrigues de |
author_facet |
Oliveira, Mariana Rodrigues de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Silva, Maria Alves Garcia Santos |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/8760691456576488 |
dc.contributor.advisor-co1.fl_str_mv |
Sousa, Thiago Oliveira |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/0132482031214690 |
dc.contributor.referee1.fl_str_mv |
Silva, Maria Alves Garcia Santos |
dc.contributor.referee2.fl_str_mv |
Silva, Fernanda Paula Yamamoto |
dc.contributor.referee3.fl_str_mv |
Oliveira, Helder Fernandes de |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/6008792193332849 |
dc.contributor.author.fl_str_mv |
Oliveira, Mariana Rodrigues de |
contributor_str_mv |
Silva, Maria Alves Garcia Santos Sousa, Thiago Oliveira Silva, Maria Alves Garcia Santos Silva, Fernanda Paula Yamamoto Oliveira, Helder Fernandes de |
dc.subject.por.fl_str_mv |
Tomografia computadorizada de feixe cônico Artefatos Fraturas dos dentes |
topic |
Tomografia computadorizada de feixe cônico Artefatos Fraturas dos dentes Cone-beam computed tomography Artifacts Tooth fractures CIENCIAS DA SAUDE::ODONTOLOGIA |
dc.subject.eng.fl_str_mv |
Cone-beam computed tomography Artifacts Tooth fractures |
dc.subject.cnpq.fl_str_mv |
CIENCIAS DA SAUDE::ODONTOLOGIA |
description |
Vertical root fractures (VRFs) represent a challenge for the dental surgeon in relation to their diagnosis and treatment. The presence of high field-of-view (FOV) materials in the field of vision in Cone Beam Computed Tomography (CBCT) images can cause a range of artifacts that affect image quality, impairing the identification of structures and visualization of the region of interest. The present study aimed to evaluate the influence of metal artifact reduction (MAR) on the diagnosis of VRF. For this, 45 extracted permanent human teeth (premolars) were fractured and divided into 3 groups: 15 teeth no filling, 15 teeth with gutta- percha and 15 teeth with metal post. A phantom was obtained with a macerated jaw and images of CBCT on Orthopantomograph 300 (OP 300) device were acquired with and without the use of MAR. Later those images were evaluated for the presence or absence of fracture. Receiver operating characteristic (ROC) curve was obtained using SPSS Statistics software 22 to calculate the area under the device curve on the use of the artifact reduction tool. The results demonstrated that the use of RA obtained the lowest results of accuracy, sensitivity and specificity for the subgroups tested. It was concluded that MAR had a negative influence on the diagnosis of VRF for all tested subgroups (no filling, gutta- percha and metal post). |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-06-18T15:51:11Z |
dc.date.issued.fl_str_mv |
2019-05-10 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
OLIVEIRA, M. R. Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais. 2019. 67 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2019. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/9720 |
dc.identifier.dark.fl_str_mv |
ark:/38995/001300000f1p6 |
identifier_str_mv |
OLIVEIRA, M. R. Influência da ferramenta de redução de artefatos em tomografia computadorizada de feixe cônico no diagnóstico de fraturas radiculares verticais. 2019. 67 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2019. ark:/38995/001300000f1p6 |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/9720 |
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por |
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por |
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600 600 600 |
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-2070498469879244349 |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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openAccess |
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Universidade Federal de Goiás |
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Programa de Pós-graduação em Odontologia (FO) |
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UFG |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Faculdade de Odontologia - FO (RG) |
publisher.none.fl_str_mv |
Universidade Federal de Goiás |
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