Fränkel appliance therapy and the temporomandibular disc: a prospective magnetic resonance imaging study (2002)
- Autores:
- Autor USP: VIGORITO, JULIO WILSON - FO
- Unidade: FO
- DOI: 10.1067/mod.2002.122241
- Assuntos: ARTICULAÇÃO TEMPOROMANDIBULAR (TERAPIA); RESSONÂNCIA MAGNÉTICA
- Idioma: Inglês
- Resumo: This prospective clinical study assessed the effect of the Fränkel Functional Regulator-II (FR-II) treatment on the position and shape of the articular disc of the temporomandibular joint. The sample included magnetic resonance images of 112 temporomandibular joints taken initially (T1) and after 18 '+ ou -' 1 months (T2). The subjects were 56 white Brazilian children who were beginning their pubertal growth spurt. They had Class II Division 1 malocclusions and were selected from 800 children in neighborhood schools. They were randomly dichotomized into either the treated group (treated with the FR-II for 18 months) or the control group (not treated during the observation period). Our findings showed a low prevalence (3.57%) of disc displacement in the 112 temporomandibular joints. Mandibular propulsion with the FR-II had no unfavorable effect on the temporomandibular joints of the treated group; 100% of the patients kept an upper and interposed disc position (closed and open mouth, respectively) at T1 and T2. The control group had 7.1% partial anterior medial disc displacement, both at T1 and T2. Regarding disc morphology, the control group showed biconcave-shaped discs in 82.1% of the joints, statistically similar to the treated group (89.3%) at the beginning of the observation period. At T2, the articular disc morphology of the control group was unchanged, but that of the treated group was significantly more normal (P=.016), progressing from nonbiconcave atT1 (10.7%) to biconcave at T2 (100%). Our results showed that disc displacement is not a complication of functional appliance therapy; in fact, such treatment might help some children with incipient temporomandibular disorders
- Imprenta:
- Local: Saint Louis
- Data de publicação: 2002
- Fonte:
- Título do periódico: American Journal of Orthodontics and Dentofacial Orthopedics
- ISSN: 0889-5406
- Volume/Número/Paginação/Ano: v. 121, n. 5, p. 447-457, May 2002
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
FRANCO, Alexandre de Albuquerque et al. Fränkel appliance therapy and the temporomandibular disc: a prospective magnetic resonance imaging study. American Journal of Orthodontics and Dentofacial Orthopedics, v. 121, n. 5, p. 447-457, 2002Tradução . . Disponível em: https://doi.org/10.1067/mod.2002.122241. Acesso em: 19 set. 2024. -
APA
Franco, A. de A., Yamashita, H. K., Lederman, H. M., Cevidanes, L. H. S., Proffit, W. R., & Vigorito, J. W. (2002). Fränkel appliance therapy and the temporomandibular disc: a prospective magnetic resonance imaging study. American Journal of Orthodontics and Dentofacial Orthopedics, 121( 5), 447-457. doi:10.1067/mod.2002.122241 -
NLM
Franco A de A, Yamashita HK, Lederman HM, Cevidanes LHS, Proffit WR, Vigorito JW. Fränkel appliance therapy and the temporomandibular disc: a prospective magnetic resonance imaging study [Internet]. American Journal of Orthodontics and Dentofacial Orthopedics. 2002 ; 121( 5): 447-457.[citado 2024 set. 19 ] Available from: https://doi.org/10.1067/mod.2002.122241 -
Vancouver
Franco A de A, Yamashita HK, Lederman HM, Cevidanes LHS, Proffit WR, Vigorito JW. Fränkel appliance therapy and the temporomandibular disc: a prospective magnetic resonance imaging study [Internet]. American Journal of Orthodontics and Dentofacial Orthopedics. 2002 ; 121( 5): 447-457.[citado 2024 set. 19 ] Available from: https://doi.org/10.1067/mod.2002.122241 - Magnetic resonance of the TMJs of children treated with RF-2 (Fränkel)
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Informações sobre o DOI: 10.1067/mod.2002.122241 (Fonte: oaDOI API)
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