Effects of orthodontic treatment with fixed functional orthopaedic appliances on the condyle-fossa relationship in the temporomandibular joint: a magnetic resonance imaging study (Part I)

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

doi:10.1259/dmfr/53048233

Cited by 31 publications

(35 citation statements)

References 13 publications

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“…The former has stood the test in many recent studies [21,22,33,[37][38][39][41][42][43][44][45][46]. MR imaging is a technique using static and dynamic magnetic fields to depict in detail both bones and soft-tissue structures.…”

Section: Analytic Methods: Mr Imaging and Msamentioning

confidence: 99%

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

Kinzinger

Gülden²,

Roth³

et al. 2006

J Orofac Orthop

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Functional jaw orthopedics for correction of skeletal Class II with the rigid fixed FMA leads to side-effects reflected in the disc-condyle relationship in the temporomandibular joints: no adverse effects were observed in joints presenting an initial physiological disc-condyle relationship, whereas the disc position may improve in joints with initial partial or total anterior disc displacement. In comparison with the baseline findings, we observed no post-treatment restriction in the extent of maximum mouth opening, protrusion, and left and right laterotrusion. Maximum active retrusion increased due to the treatment. MR imaging and MSA only partly cover the same aspects of temporomandibular joint diagnostics.

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Section: Analytic Methods: Mr Imaging and Msamentioning

confidence: 99%

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

Kinzinger

Gülden²,

Roth³

et al. 2006

J Orofac Orthop

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“…They found the difference of condyle position before and after orthodontic is not significant statistically after neutroclusion was achieved. 25,26 Moreover, Ackerman and Proffit also stated that the condyles should not be displaced from their retruded position during treatment by more than a small distance. 27 The not significant result in this study may be occurred because the changes in condylar position are generally very small.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Changes in TMJ Position for Angle Class I Malocclusion After Orthodontic Treatment by Using Cephalometric Radiograph

et al. 2017

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Objective: A concern in fixed appliances orthodontic treatment besides reestablishing the normal occlusion characteristics might cause repositioning of the condyle position in TMJ region. The objective of this research is to find out whether there is a difference of TMJ position in Angle class I malocclusion type 1, 2, 3, 4, and 5 before and after fixed appliances orthodontic treatment. Methods:This research is a pre-and-post design study with analytical statistical approach which compared the TMJ position obtained from tracings 80 lateral cephalometric radiographs before and after fixed appliances orthodontic treatment. Purposive sampling technique was used to determine the sample size in Orthodontic Department of Rumah Sakit Gigi dan Mulut Universitas Padjadjaran from 2009-2015. The data was analyzed by using Kolmogorov-Smirnov Test and paired t-test.Results: This study revealed that the changes of condyle position in Condylion to Vertical T line (horizontally) after orthodontic treatment is not significant (P> 0.05) in Angle class I malocclusion. However, the difference of condyle position in Condylion to TC line (vertically) shows a significant difference (P< 0.05) in Angle class I malocclusion. Conclusion:The distance of the condyle from Condylion to TC line increased after fixed appliances orthodontic treatment for Angle class I malocclusion patients.

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“…1,3 Among orthopedic appliances, the Herbst is commonly utilized as a means of maintaining the mandible in a constant anterior position. [1][2][3] Although various investigations have shown [1][2][3][4][5][6][7] the efficiency of this method of treatment, the mechanism by which the temporomandibular joint (TMJ) responds to the treatment is controversial. [1][2][3]8 A recent study evaluated patterns of stress generation in the TMJ after mandibular protraction by using a three-dimensional finite element method.…”

Section: Introductionmentioning

confidence: 99%

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

Aidar¹,

Dominguez²,

Yamashita³

et al. 2010

The Angle Orthodontist

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; Má rcio Abrahã o d 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 3 T3 (P 5 .317), T3 3 T4 (P 5 .287), or T1 3 T4 (P 5 .261). At T2, on average, the disc was positioned regressively. With the mouth open, no difference was observed between T1 3 T3 (P 5 .223) or T1 3 T4 (P 5 .082). We did observe a significant difference between T3 3 T4 (P , .05). Significant changes in the disc form were found with the mouth closed between T1 3 T2 (P , .001) and T2 3 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.)

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Effects of orthodontic treatment with fixed functional orthopaedic appliances on the condyle-fossa relationship in the temporomandibular joint: a magnetic resonance imaging study (Part I)

Cited by 31 publications

References 13 publications

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

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

Evaluation of Changes in TMJ Position for Angle Class I Malocclusion After Orthodontic Treatment by Using Cephalometric Radiograph

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

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