Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Comparison of the Articular Eminence and Condyle in Asian Juvenile Idiopathic Osteoarthritis Patients with Unilateral and Bilateral TMJ Involvement: A Retrospective Case-Control Study

Hye-Min Ju
ORCID logo ,
Hee-Won Kim
,
Seo-Young Choi
,
Hye-Mi Jeon
,
Sung-Hee Jeong
ORCID logo ,
Yong-Woo Ahn
,
And Soo-Min Ok
* ORCID logo
Version 1 : Received: 25 July 2023 / Approved: 26 July 2023 / Online: 27 July 2023 (02:27:30 CEST)

A peer-reviewed article of this Preprint also exists.

Ju, H.-M.; Kim, H.-W.; Choi, S.-Y.; Jeon, H.-M.; Jeong, S.-H.; Ahn, Y.-W.; Ok, S.-M. A Comparison of the Condyle and Articular Eminence in Asian Juvenile Idiopathic Osteoarthritis Patients with Unilateral and Bilateral TMJ Involvement: A Retrospective Case-Control Study. J. Clin. Med. 2023, 12, 5566. Ju, H.-M.; Kim, H.-W.; Choi, S.-Y.; Jeon, H.-M.; Jeong, S.-H.; Ahn, Y.-W.; Ok, S.-M. A Comparison of the Condyle and Articular Eminence in Asian Juvenile Idiopathic Osteoarthritis Patients with Unilateral and Bilateral TMJ Involvement: A Retrospective Case-Control Study. J. Clin. Med. 2023, 12, 5566.

Abstract

This study compared condylar volume, length, and articular eminence (AE) characteristics in normal individuals and those with unilateral and bilateral juvenile idiopathic osteoarthritis (JOA). The 116 patients were divided into four groups: control (n=16), affected condyle of unilateral JOA (Aff-Uni) (n=36), non-affected condyle of JOA (NonAff-uni) (n=36), and bilateral JOA (Bi-JOA) (n=28). Volume and length differences in the condyle and AE were analyzed using ANOVA and Bonferroni post hoc tests. The results showed that Bi-JOA had significantly different condylar volume, especially in the condylar head (p<0.01), specifically the middle, anterior, and medial parts (p<0.05). Condylar length also differed among the groups, with differences observed between the control group and the other three groups, as well as between the bilateral group and the other three groups (p<0.01). AE total volume differed between the control group and Aff-Uni. In the detailed comparison, Aff-Uni and NonAff-Uni were smaller than the control group in the posterior, lateral, and medial sections (p<0.05). In conclusion, depending on the involvement of unilateral or bilateral JOA, there were differences in condylar volume and AE compared to the normal control group. Therefore, prognosis should be evaluated by distinguishing between patients with unilateral and bilateral JOA.

Keywords

Juvenile idiopathic osteoarthritis; Temporomandibular joint; Conebeam CT; Condyle; Articular eminence

Subject

Medicine and Pharmacology, Dentistry and Oral Surgery

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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