Disc-condyle Relationships during Class II Treatment with the Functional Mandibular Advancer (FMA)

Kinzinger, Gero; Gülden, Norbert; Roth, Anke; Diedrich, Peter

doi:10.1007/s00056-006-0626-5

Cited by 16 publications

(24 citation statements)

References 39 publications

(56 reference statements)

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“…. Finally, 14 papers fulfilled the inclusion criteria of our review . The remaining five articles from this final selection stage were excluded for the following reasons: The MRI evaluation of the TMJ condition was performed after treatment.…”

Section: Resultsmentioning

confidence: 99%

“…Included studies consisted of cohort groups of adolescent patients with class II malocclusions. Twelve articles reported the changes in TMJ articular tissues as demonstrated in MRI . One article used CT scan images to evaluate the volume of the condyle and glenoid fossa, while another used co‐registered serial CBCT images to assess TMJ osseous structure changes.…”

Section: Resultsmentioning

confidence: 99%

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Changes in temporomandibular joint morphology in class II patients treated with fixed mandibular repositioning and evaluated through 3D imaging: a systematic review

Al-Saleh

Alsufyani

Flores-Mir

et al. 2015

Orthod Craniofacial Res

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To estimate the effects of skeletal class II malocclusion treatment using fixed mandibular repositioning appliances on the position and morphology of the temporomandibular joint (TMJ). Two independent reviewers performed comprehensive electronic searches of MEDLINE, EMBASE, EBM reviews and Scopus (until May 5, 2015). The references of the identified articles were also manually searched. All studies investigating morphological changes of the TMJ articular disc, condyle and glenoid fossa with 3D imaging following non-surgical fixed mandibular repositioning appliances in growing individuals with class II malocclusions were included in the analysis. Of the 269 articles initially reviewed, only 12 articles used magnetic resonance imaging and two articles used computed tomography (CT) or cone-beam CT images. Treatment effect on condyle and glenoid fossa was discussed in eight articles. Treatment effect on TMJ articular disc position and morphology was discussed in seven articles. All articles showed a high risk of bias due to deficient methodology: inadequate consideration of confounding variables, blinding of image assessment, selection or absence of control group and outcome measurement. Reported changes in osseous remodelling, condylar and disc position were contradictory. The selected articles failed to establish conclusive evidence of the exact nature of TMJ tissue response to fixed mandibular repositioning appliances.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Changes in temporomandibular joint morphology in class II patients treated with fixed mandibular repositioning and evaluated through 3D imaging: a systematic review

Al-Saleh

Alsufyani

Flores-Mir

et al. 2015

Orthod Craniofacial Res

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“…Watted et al (27) and Kinzinger et al (28) studied 15 patients. The study with the largest sample size was Baltromejus et al (5), with 138 cases.…”

Section: Discussionmentioning

confidence: 99%

Impact of functional mandibular advancement appliances on the temporomandibular joint - a systematic review

Ivorra-Carbonell¹,

Montiel-Company²,

Almerich‐Silla³

et al. 2016

Med Oral

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BackgroundAlthough many orthodontists have no doubts about the effectiveness of functional appliances for mandibular advancement, the impact on the temporomandibular joint (TMJ) is still in dispute. The objective of this systematic review is to examine the main effects on the TMJ of using functional appliances, both in healthy patients and in patients with a pre-existing disorder.Material and MethodsA systematic review of the literature was conducted in accordance with the PRISMA guidelines. Only systematic reviews, meta-analyses, randomized clinical trials (RCTs), case-control studies and cohort studies were included. A detailed language-independent electronic search was conducted in the Pubmed, Scopus, Cochrane Library and Embase databases. All studies published between 2000 and 2015 were included.ResultsA total of 401 articles were identified. Of these, 159 were duplicates and were excluded. On reading the title and abstract, 213 articles were excluded because they did not answer the research question, leaving a total of 29 articles. These articles were read and assessed. Following critical reading of the full text, eight articles were excluded: seven because they were considered of low quality and one because it published redundant data. As a result, 21 articles were included.ConclusionsAfter treatment with functional appliances, the condyle was found to be in a more advanced position, with remodelling of the condyle and adaptation of the morphology of the glenoid fossa. No significant adverse effects on the TMJ were observed in healthy patients and the appliances could improve joints that initially presented forward dislocation of the disk. Key words:Temporomandibular joint, TMJ, orthodontic appliances, functional, mandibular advancement, herbst appliance, bionator.

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“…6,9,[19][20][21][22] The systematic literature review shows that the correct occlusal relationship between the teeth did not cause a change in the physiological position of the condyles and articular discs in TMJ when MRI and CT were examined, 19,21,22 whereas in some cases of TMD an improvement can be obtained as a result of orthodontic treatment. 9,19,22 Some studies found changes in condylar position 3 and in the volumes of the anterior and posterior joint spaces 3,23 due to applied orthodontic mechanics. Furthermore, the use of the chincup caused a morphological change in condylar growth, which may be associated with correction of skeletal malocclusion in conjunction with remodeling in the jaw, 12 as well as the Herbst appliance.…”

mentioning

confidence: 99%

“…Elastics mechanics, 6,23 headgear, 6 rapid maxillary expansion, 1,2 Frankel functional appliance, 9 Bionator, 30 fixed functional orthopedic appliances, 20,21,22 Twin Block 30 and functional mandibular advancement appliance 19 did not cause physiological changes in the positioning of the condyle and articular disc, whereas the implementation or not of extraction protocols did not change this situation. 6,23 Great provider of scientific evidence, randomized clinical trials were found in low number in this systematic review: only two studies.…”

mentioning

confidence: 99%

Imaginologia da articulação temporomandibular durante o tratamento ortodôntico: uma revisão sistemática

Machado¹,

Grehs

Cunali³

2011

Dental Press J. Orthod.

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INTRODUÇÃO: a evolução da Imaginologia na Odontologia propiciou uma série de vantagens para o diagnóstico e elaboração de planos de tratamento em diversas especialidades. Exames como ressonância magnética nuclear, tomografia computadorizada e tomografia volumétrica Cone Beam, bem como métodos de reconstrução em 3D, permitiram analisar de forma precisa estruturas orofaciais.Aliado a esse fato,com a realização de estudos clínicos com metodologias e desenhos adequados, pode-se avaliar os efeitos do tratamento ortodôntico sobre a articulação temporomandibular (ATM). OBJETIVO: esse trabalho, através de uma revisão sistemática de literatura, teve como objetivo analisar a inter-relação entre o tratamento ortodôntico e a ATM, verificando se a Ortodontia acarreta alguma alteração das estruturas internas da ATM. MÉTODOS: levantamento em bases de pesquisa (MEDLINE, Cochrane, EMBASE, Pubmed, Lilacs e BBO), entre os anos de 1966 e 2009, com enfoque em estudos clínicos randomizados, estudos longitudinais prospectivos não randomizados, revisões sistemáticas e meta-análises. RESULTADOS: após a aplicação dos critérios de inclusão, chegou-se a 14 artigos, sendo que 2 eram estudos clínicos randomizados e 12 eram estudos longitudinais sem critérios de randomização. CONCLUSÕES: pela análise da literatura, conclui-se que a realização do tratamento ortodôntico não ocorre à custa de posicionamentos não fisiológicos do côndilo e disco articular. Algumas mecânicas podem acarretar remodelações dos componentes ósseos articulares.

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Disc-condyle Relationships during Class II Treatment with the Functional Mandibular Advancer (FMA)

Cited by 16 publications

References 39 publications

Changes in temporomandibular joint morphology in class II patients treated with fixed mandibular repositioning and evaluated through 3D imaging: a systematic review

Changes in temporomandibular joint morphology in class II patients treated with fixed mandibular repositioning and evaluated through 3D imaging: a systematic review

Impact of functional mandibular advancement appliances on the temporomandibular joint - a systematic review

Imaginologia da articulação temporomandibular durante o tratamento ortodôntico: uma revisão sistemática

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