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Orthodontic finishing after TMJ disk manipulation and recapture
International Journal of Orthodontics (Milwaukee, Wis.)
|March 30, 2002
Summary
Orthodontic treatment can improve temporomandibular joint (TMJ) disk recapture. Repositioning the mandibular condyle to the physiologic Gelb 4/7 position successfully recaptures displaced TMJ disks in most patients.
Area of Science:
- Dentistry
- Orthodontics
- Temporomandibular Joint Disorders
Background:
- Orthodontic treatment primarily aims for cosmetic and functional results.
- Specific condylar position is not a routine orthodontic goal, reserved for patients with temporomandibular disorders (TMD).
- TMD often involves temporomandibular joint (TMJ) disk displacement.
Observation:
- Most patients with TMD exhibit temporomandibular disk displacement.
- Repositioning the mandibular condyle to the Gelb 4/7 position, considered physiologic, can recapture displaced TMJ disks.
- TMJ disk recapture correlates with condyle repositioning to the physiologic position, verifiable by MRI.
Findings:
- The Gelb 4/7 position achieved disk recapture in 85%–96% of cases.
- A case study demonstrated successful manipulation of TMJ disk displacement without reduction into reduction, maintained by orthodontic correction.
- Pumping the upper joint compartment can aid in reducing TMJ disk displacement without reduction.
Implications:
- Orthodontic finishing can be adapted to maintain specific condylar positions and achieve TMJ disk recapture.
- This approach offers a method for managing TMJ disk displacement without reduction.
- MRI confirms the effectiveness of condyle repositioning and orthodontic treatment in TMJ disk recapture.