Morphological changes of TMJ disc in surgically treated ADDwoR patients: a retrospective study
Open Access
- 1 October 2022
- journal article
- research article
- Published by Springer Science and Business Media LLC in BMC Oral Health
- Vol. 22 (1), 1-7
- https://doi.org/10.1186/s12903-022-02469-8
Abstract
This study aimed to quantify the morphological changes of temporomandibular joint (TMJ) discs after disc repositioning surgery using the three-dimensional (3D) modeling. Thirty patients who diagnosed with unilateral ADDwoR were included to compare the morphological differences between ADDWoR discs and normal discs, and fifteen patients who experienced unilateral or bilateral disc repositioning surgery were included to analyze the morphological changes before and after disc repositioning surgery. Disc 3D reconstruction and analyses were performed using magnetic resonance imaging (MRI) data. In the unilateral ADDwoR patients, volume, superficial area, length, and maximum longitudinal-sectional area of the ADDwoR disc were significantly smaller compared with the non-affected discs. However, there was no significant difference in width and cross-sectional areas between ADDwoR discs and non-affected discs. In patients who subjected to disc repositioning surgery, disc volume, superficial area, length, width and maximum longitudinal-sectional area of TMJ discs were markedly increased 6 months after surgery. This study demonstrated that the TMJ discs tended to be morphologically smaller in volume and shorter in length under ADDwoR status. Importantly, the ADDwoR discs tended to morphologically recover toward non-affected discs after 6 months follow-up following TMJ disc repositioning surgery.Keywords
Funding Information
- National Natural Science Foundation of China (No.81801003, No.82071139)
- ‘From Zero to One’ Innovative Research Program of Sichuan University (No. 2022SCUH0022)
This publication has 27 references indexed in Scilit:
- Epidemiology, Diagnosis, and Treatment of Temporomandibular DisordersDental Clinics of North America, 2013
- Magnetic resonance images of patients with temporomandibular disorders: Prevalence and correlation between disk morphology and displacementEuropean Journal of Radiology, 2013
- Changes in Disc Position, Disc Length, and Condylar Height in the Temporomandibular Joint With Anterior Disc Displacement: A Longitudinal Retrospective Magnetic Resonance Imaging StudyJournal of Oral and Maxillofacial Surgery, 2011
- 20-Year Follow-Up Study of Disc Repositioning Surgery for Temporomandibular Joint Internal DerangementJournal of Oral and Maxillofacial Surgery, 2010
- Magnetic resonance imaging on TMJ disc thickness in TMD patients: A pilot studyThe Journal of Prosthetic Dentistry, 2009
- Experimentally Created Nonbalanced Occlusion Effects on the Thickness of the Temporomandibular Joint Disc in RatsAngle Orthodontist, 2009
- The effect of physiological nonbalanced occlusion on the thickness of the temporomandibular joint disc: A pilot autopsy studyThe Journal of Prosthetic Dentistry, 2008
- High-Resolution Magnetic Resonance Imaging of the Temporomandibular JointInvestigative Radiology, 2007
- Three-dimensional finite element analysis of human temporomandibular joint with and without disc displacement during jaw openingMedical Engineering & Physics, 2004
- The Mitek mini anchor for TMJ disc repositioning: surgical technique and resultsInternational Journal of Oral & Maxillofacial Surgery, 2001