Physiological effects of anterior repositioning splint on temporomandibular joint disc displacement: A quantitative analysis
Abstract
Anterior repositioning splints (ARS) are used primarily for the management of temporomandibular joint (TMJ) anterior disc displacement with reduction (ADDwR). However, the exact physiological effects of ARS are still unclear. This study investigated the short and long-term effects of ARS on disc and condyle angles/positions by metric analysis. Twenty-two subjects diagnosed with ADDwR were recruited. Maxillary full-coverage ARS were fabricated, and MRI of TMJs was obtained before splint treatment, immediate post-insertion and 6 months after splint treatment. Disc-condyle relationship was determined by disc-condyle angle measurement. Disc and condyle positions were described as X-Y coordinates with the summit of glenoid fossa as the origin of the coordinates. Thirty-two TMJs were classified as ADDwR and 12 were normal. Upon ARS insertion, all TMJs with ADDwR got normal disc-condyle relationships. The condyles moved significantly forward and downward, while the discs moved significantly backward and upward. MRI at 6 months after treatment (without ARS insertion) indicated that only 40·6% (13/32) of the joints were maintained in the normal disc-condyle relationship. The majority of condyles returned to their pre-treatment positions, while the discs generally moved anteriorly again. The use of ARS resulted in forward and downward condyle movement, and a concurrent backward movement of the disc resulting in ideal spatial disc-condyle relationship. The stability of this relationship…
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Disc-condyle angles from −15° to +15° were considered normal, while angles larger than +15° were treated for a disc with anterior displacement.
“Disc–condyle angles from −15° to +15° were considered normal, while angles larger than +15° were treated for a disc with anterior displacement [27].”
Cites
Schiffman, E., Ohrbach, R., Truelove, E., Look, J., Anderson, G., Goulet, J.-P., List, T., Svensson, P., Gonzalez, Y., Lobbezoo, F., et al. (2014) · Journal of Oral & Facial Pain and Headache · doi:10.11607/jop.1151 · Cited by 4,567 · see citing works
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Aklar, A., Bal, B., Taşdelen, N., İnal, H. S., & Ertaş, G. (2025) · Journal of Clinical Medicine · doi:10.3390/jcm14082544 · Cited by 2 · see citing works
“Disc–condyle angles from − 15 ◦ to +15 ◦ were considered normal, while angles larger than +15 ◦ were treated for a disc with anterior displacement [27].”
- Authors
- Chen, H. ‐., Liu, M. ‐., Yap, A. U., & Fu, K. ‐.
- Affiliations
- Peking University (CN)
- National University of Singapore (SG)
- Corresponding author
- Fu, K.‐Y.
- ORCID
- Venue
- Journal of Oral Rehabilitation
- Publisher
- Wiley
- Published
- 2017-07-02
- Volume
- 44
- Issue
- 9
- Pages
- 664-672
- ISSN
- 0305-182X (ISSN-L)
- 1365-2842
- OpenAlex
- W2622976196
- Cited by
- 61
- References
- 1
- Citations by year
- 2026: 10 · 2025: 8 · 2024: 8 · 2023: 9 · 2022: 11 · 2021: 6 · 2020: 3 · 2019: 4 · 2018: 2
- FWCI
- 4.61
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Oral Rehabilitation (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Capital Clinical Research Project (Z141107002514157)
- Topics
- Health Sciences › Health Professions › Complementary and Manual Therapy › Temporomandibular Joint Disorders
- Health Sciences › Dentistry › Orthodontics › Orthodontics and Dentofacial Orthopedics
- Health Sciences › Health Professions › Emergency Medical Services › Dental Trauma and Treatments
- Keywords
- anterior repositioning splint, temporomandibular joint, anterior disc displacement with reduction, disc-condyle relationship, disc position, condylar position, long-term stability
- MeSH terms
- Adolescent, Adult, Analysis of Variance, Joint Dislocations, Evaluation Studies as Topic, Female, Humans, Magnetic Resonance Imaging, Male, Mandibular Condyle, Orthodontics, Corrective, Proprioception, Reference Values, Temporomandibular Joint Disorders, Reproducibility of Results, Treatment Outcome, Occlusal Splints, Temporomandibular Joint Disc, Young Adult
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