Evidence map›Paper›PMID 41520942›Full record

ArticleThe Angle orthodontist2026

Long-term assessment of condyle-fossa relationship in skeletal Class II patients with idiopathic condylar resorption after combined orthodontic and orthognathic treatment.

Zhengzhan Lv, Yanfei Zhu, Miri Chung, Wenyi Zhang, Jingyi Liu, Ying Gu, Lingyong Jiang

Abstract read
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Article in The Angle orthodontist, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Zhengzhan Lv
Yanfei Zhu
Miri Chung
Wenyi Zhang
Jingyi Liu
Ying Gu
Lingyong Jiang

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objectives: To assess the relationship between the condyle and fossa in idiopathic condylar resorption (ICR) patients with severe Class II skeletal deformities who achieved stable functional and esthetic outcomes. Materials and Methods: ICR patients receiving orthodontic-orthognathic treatment with more than 2 years of follow-up were included in this retrospective study. Post-treatment changes in Y-axis-B of less than 2 mm were considered indicative of achieving a stable treatment outcome. Anterior joint space (AJS), superior joint space (SJS), and posterior joint space (PJS) on computed tomography (CT) and magnetic resonance images (MRI) were measured. Results: After screening, a total of 20 patients with 40 condyles were included. 12 patients were included in the Stable group and eight patients were included in the Relapse group. In the Stable group, mean AJS, SJS, and PJS linear measurements during follow-up on CT images were 1.82 ± 0.34, 1.78 ± 0.38, and 1.81 ± 0.33 mm, respectively. Ratio of AJS:SJS:PJS was 1.0:0.97:1.0. Mean AJS, SJS, and PJS linear measurements on MRI images were 1.71 ± 0.50, 1.82 ± 0.50, and 1.70 ± 0.51 mm, respectively. Ratio of AJS:SJS:PJS was 1.0:1.06:1.0. In the Relapse group, no constant ratio of joint spaces was found on CT or MRI images. Conclusions: A relationship exists between the condyle and fossa in ICR patients with stable treatment outcomes, as the AJS:SJS:PJS ratio was close to 1:1:1. This condyle-fossa relationship provides clinicians with an assessment criterion and may be an alternative treatment goal for patients with ICR.

Indexed as

Bone ResorptionMalocclusion, Angle Class IIMandibular CondyleOrthodontics, CorrectiveOrthognathic Surgical ProceduresAdolescentAdultFemaleFollow-Up StudiesHumansMagnetic Resonance ImagingMaleRetrospective StudiesTomography, X-Ray ComputedTreatment OutcomeYoung AdultCondyle-fossa relationshipIdiopathic condylar resorptionJoint spaceOrthodontic-orthognathic treatmentStable efficacy

Identifiers

PMID41520942
PMCPMC13198395

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.