DOI:
10.37988/1811-153X_2024_2_60Relationship between temporomandibular joint disc displacement and skeletal forms of malocclusion
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Abstract
Purpose — Identifying if there is any relationship between skeletal patterns of malocclusion and TMJ disc displacement.Materials and methods.
48 patients with skeletal patterns of malocclusion and no complaints about the TMJ were examined. To determine the disc position, all the patients underwent CT and MRI analysis with their mouth open and closed.
Results.
Anterior disc displacement was observed in 36 patients (75%). 4 patients (8%) out of the sample presented with Angle Class I and asymmetry of the mandibular rami, 28 patients (58%) had Class II and 26 patients (54%) of this subgroup had asymmetry of the mandibular rami, 4 patients (8%) had Class III, all with asymmetry of the mandibular rami.
Conclusion.
58% of the patients with disc displacement had Class II and 70% presented with asymmetry of the mandibular rami. It shows that this joint pathology can be asymptomatic with no outward manifestations thus resulting in higher risk of possible relapse after orthodontic treatment and/or orthognathic procedures and exacerbating TMJ disease.
Key words:
TMJ pathology, TMJ disc displacement, TMD, malocclusion, orthodontic treatment, orthognathic surgeryFor Citation
[1]
Zangieva O.T., Epifanov S.A., Shtempel M.S., Shomin E.A., Krainykova L.A. Relationship between temporomandibular joint disc displacement and skeletal forms of malocclusion. Clinical Dentistry (Russia). 2024; 27 (2): 60—64. DOI: 10.37988/1811-153X_2024_2_60
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Received
February 9, 2024
Accepted
May 7, 2024
Published on
June 28, 2024