Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width

Detalhes bibliográficos
Autor(a) principal: Campos, Paulo Sérgio Flores
Data de Publicação: 2005
Outros Autores: Dantas, Janaina Araújo, Montebello Filho, A.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/14262
Resumo: p. 9-15
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spelling Campos, Paulo Sérgio FloresDantas, Janaina AraújoMontebello Filho, A.Campos, Paulo Sérgio FloresDantas, Janaina AraújoMontebello Filho, A.2014-01-06T13:00:46Z2014-01-06T13:00:46Z20050250-832Xhttp://repositorio.ufba.br/ri/handle/ri/14262v. 34, n. 1p. 9-15Objectives: To investigate the effect of deviation of mandibular positioning, by changing the gantry angle, on the measured height and width of dental implant sites in reformatted cross-sectional computed tomography (CT) scans. Methods: CT images of ten human dry mandibles were made in three gantry positions to simulate changes in patient positioning: (1) parallel to the lower base of the mandible (standard); (2) with a gantry inclination of +19°; and (3) with an inclination of −19°. One examiner measured the bone height and width at selected sites in the images at three different times. Results were compared with a paired test in SAS 8.02. Results: In relation to bone height, when the jaws were inclined to the inferior direction (gantry angle +19°), there was no statistically significant difference for any region studied. There was a statistically significant difference for the incisor region when the jaws were inclined to the superior direction (gantry angle −19°). With respect to the width of the bone rim, there was a statistically significant difference only for the region of the molars when the jaw was inclined to the inferior direction and for the region of the canine, when the inclination was to the superior direction. Conclusions: Errors in mandibular positioning of 19° produced image discrepancies with regard to bone height and width which were not excessive. Thus, examinations do not have to be repeated owing to variation of mandibular positioning because the differences were lower than 10% of the value found for the standard position.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2013-12-02T10:42:13Z No. of bitstreams: 1 Campos.pdf: 272525 bytes, checksum: cb174a00c584ef74a8bf8deb2dfec8b7 (MD5)Approved for entry into archive by Flávia Ferreira (flaviaccf@yahoo.com.br) on 2014-01-06T13:00:46Z (GMT) No. of bitstreams: 1 Campos.pdf: 272525 bytes, checksum: cb174a00c584ef74a8bf8deb2dfec8b7 (MD5)Made available in DSpace on 2014-01-06T13:00:46Z (GMT). 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dc.title.pt_BR.fl_str_mv Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
dc.title.alternative.pt_BR.fl_str_mv Dentomaxillofacial Radiology
title Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
spellingShingle Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
Campos, Paulo Sérgio Flores
Tomography
X-ray computed
Dental implants
Mandible
title_short Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
title_full Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
title_fullStr Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
title_full_unstemmed Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
title_sort Computed tomography for dental implants: the influence of the gantry angle and mandibular positioning on the bone height and width
author Campos, Paulo Sérgio Flores
author_facet Campos, Paulo Sérgio Flores
Dantas, Janaina Araújo
Montebello Filho, A.
author_role author
author2 Dantas, Janaina Araújo
Montebello Filho, A.
author2_role author
author
dc.contributor.author.fl_str_mv Campos, Paulo Sérgio Flores
Dantas, Janaina Araújo
Montebello Filho, A.
Campos, Paulo Sérgio Flores
Dantas, Janaina Araújo
Montebello Filho, A.
dc.subject.por.fl_str_mv Tomography
X-ray computed
Dental implants
Mandible
topic Tomography
X-ray computed
Dental implants
Mandible
description p. 9-15
publishDate 2005
dc.date.issued.fl_str_mv 2005
dc.date.accessioned.fl_str_mv 2014-01-06T13:00:46Z
dc.date.available.fl_str_mv 2014-01-06T13:00:46Z
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://repositorio.ufba.br/ri/handle/ri/14262
dc.identifier.issn.none.fl_str_mv 0250-832X
dc.identifier.number.pt_BR.fl_str_mv v. 34, n. 1
identifier_str_mv 0250-832X
v. 34, n. 1
url http://repositorio.ufba.br/ri/handle/ri/14262
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.country.fl_str_mv Brasil
dc.source.pt_BR.fl_str_mv http://dx.doi.org/ 10.1259/dmfr/57866813
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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