Changes in temporomandibular joint disc position and form following Herbst and fixed orthodontic treatment

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dc.contributor.author Aidar, Luis Antonio de Arruda
dc.contributor.author Dominguez, Gladys Cristina [UNIFESP]
dc.contributor.author Yamashita, Helio Kiitiro [UNIFESP]
dc.contributor.author Abrahão, Marcio [UNIFESP]
dc.date.accessioned 2016-01-24T14:05:24Z
dc.date.available 2016-01-24T14:05:24Z
dc.date.issued 2010-09-01
dc.identifier http://dx.doi.org/10.2319/093009-545.1
dc.identifier.citation Angle Orthodontist. Newton N: E H Angle Education Research Foundation, Inc, v. 80, n. 5, p. 843-852, 2010.
dc.identifier.issn 0003-3219
dc.identifier.uri http://repositorio.unifesp.br/handle/11600/32857
dc.description.abstract Objective: To determine the changes in the position and form of the temporomandibular joint articular disc in adolescents with Class II division 1 malocclusion and mandibular retrognathism treated with the Herbst appliance (phase I) and fixed orthodontic appliance (phase II).Materials and Methods: Thirty-two consecutive adolescents went through phase I of treatment and 23 completed phase II. the temporomandibular joints were evaluated qualitatively by means of magnetic resonance images at the beginning of treatment (T1), during phase I (T2), at the end of phase I (T3), and at the end of phase II (T4).Results: Significant changes in disc position were not observed with the mouth closed between T1 X T3 (P = .317), T3 X T4 (P = .287), or T1 X T4 (P = .261). At T2, on average, the disc was positioned regressively. With the mouth open, no difference was observed between T1 X T3 (P = .223) or T1 X T4 (P = .082). We did observe a significant difference between T3 X T4 (P < .05). Significant changes in the disc form were found with the mouth closed between T1 X T2 (P < .001) and T2 X T3 (P < .001).Conclusions: At the end of the two-phase treatment, in general terms, the position and form of the initial articular discs were maintained; however, in some temporomandibular joints some seemingly adverse effects were observed at T4. (Angle Orthod. 2010;80:843-852.) en
dc.format.extent 843-852
dc.language.iso eng
dc.publisher E H Angle Education Research Foundation, Inc
dc.relation.ispartof Angle Orthodontist
dc.rights Acesso aberto
dc.subject Temporomandibular joint en
dc.subject Magnetic resonance en
dc.subject Angle Class II malocclusion en
dc.subject Herbst therapy en
dc.title Changes in temporomandibular joint disc position and form following Herbst and fixed orthodontic treatment en
dc.type Artigo
dc.contributor.institution Univ Santa Cecilia
dc.contributor.institution Universidade de São Paulo (USP)
dc.contributor.institution Universidade Federal de São Paulo (UNIFESP)
dc.description.affiliation Univ Santa Cecilia, Dept Orthodont, BR-11055330 São Paulo, Brazil
dc.description.affiliation Univ São Paulo, Dept Orthodont, São Paulo, Brazil
dc.description.affiliation Universidade Federal de São Paulo, Dept Diagnost Imaging, São Paulo, Brazil
dc.description.affiliation Universidade Federal de São Paulo, Dept Otorhinolaryngol, São Paulo, Brazil
dc.description.affiliationUnifesp Universidade Federal de São Paulo, Dept Diagnost Imaging, São Paulo, Brazil
dc.description.affiliationUnifesp Universidade Federal de São Paulo, Dept Otorhinolaryngol, São Paulo, Brazil
dc.identifier.file WOS000281471900008.pdf
dc.identifier.doi 10.2319/093009-545.1
dc.description.source Web of Science
dc.identifier.wos WOS:000281471900008



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