Comparison of Articular Eminence Steepness in Patients With Temporomandibular Joint Disc Disorders

Yıl 2023, Cilt: 33 Sayı: 2 - 2023, 33:2, 117 - 121, 14.07.2023

Elif Yıldızer

https://doi.org/10.5152/CRDS.2023.225596

Cited By: 1

Öz

Objective: This study aimed to investigate the articular eminence steepness in patients with temporoman- dibular joint (TMJ) disc disorders (DD) and control group patients.
Methods: This study was designed retrospectively. A total of 22 patients with disc dislocation with reduction (DDWR), 26 patients with disc dislocation without reduction (DDWOR), and 24 control patients were included in the study. The steepness of the posterior slope of the articular eminence and the eminence height were measured using cone-beam computed tomography (CBCT) images. In addition, the articular eminence steep- ness was classified as steep, moderate, and flat.
Results: There was no significant difference in terms of age and gender between the study groups (P >.05). Ar- ticular eminence angle measured by best-fit line and top-roof line methods was found to be significantly high- er in controls than in patients with DDWOR and in patients with DDWR, respectively (P <.05). The frequency of steep articular eminence inclination (>60º) was observed to be higher in controls than in joints with DDWOR and those with DDWR ( P >.05), respectively. There was no significant difference between patients with DD and control patients in terms of articular eminence height (P >.05). There was a significant and negative correlation between age and top-roof line method values (r = −.230, P <.05). As the age increased, the eminence inclina- tion values for the top-roof line method decreased.
Conclusion: In light of the results of this study, it can be said that an increase in eminence steepness does not appear to be a causative factor but may be a factor that worsens the progression of DD.
Keywords: Temporomandibular joint, articular eminence inclination, articular eminence height, cone-beam computed tomography
ÖZ
Amaç: Bu çalışmanın amacı, temporomandibular eklem (TME) disk hastaliği (DH) olan hastalarda ve kontrol grubu arasında artiküler eminens dikliğini karşılaştırmaktır.
Yöntemler: Bu çalışma retrospektif olarak tasarlandı. Çalışmaya redüksiyonlu disk dislokasyonu (R’luDD) olan 22 hasta ve redüksiyonsuz disk dislokasyonu (R’suzDD) olan 26 hasta dahil edildi. Artiküler eminensin posterior eğiminin dikliği ve eminens yüksekliği konik ışınlı bilgisayarlı tomografi (KIBT) görüntüleri kullanılarak ölçüldü. Ayrıca eklem eminens dikliği dik, orta ve düz olarak sınıflandırıldı.
Bulgular: R’luDD hastaları ile R’suzDD hastaları arasında yaş ve cinsiyet açısından anlamlı fark yoktu (p>0,05). Best-fit-line yöntemi ile ölçülen artiküler eminens açısı R’luDD hastalarında R’suzDD hastalarına ve kontrol grubuna göre sırasıyla anlamlı derecede düşük bulundu (p<0.05). Dik artiküler eminens R’suzDD olan eklem- lerde R’luDD olan eklemlere göre daha sık gözlendi (p>0.05). Artiküler eminens yüksekliği açısından DH grubu ile kontrol grubu arasında anlamlı fark yoktu (p>0,05). Yaş ile top-roof-line yöntemi ölçüm değerleri arasında anlamlı ve negatif bir ilişki vardı (r=-0.230; p<0.05). Yaş arttıkça top-roof-line ölçüm değerleri azalmaktadır.
Sonuç: Bu çalışmada R’luDD, R’suzDD ve kontrol hastalarında ayrıntılı bir KIBT incelemesi ve eklem eminens morfolojisinin karşılaştırılması yapılmıştır. Posterior eminens açısı DH grubunda kontrollere göre daha düşük- tü.
Anahtar kelimeler: Temporomandibular eklem, artiküler eminens eğimi, artiküler eminens yüksekliği, konik ışınlı bilgisayarlı tomografi

Anahtar Kelimeler

Temporomandibular eklem, artiküler eminens eğimi, artiküler eminens yüksekliği

Kaynakça

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