Recurrent temporomandibular joint (TMJ) dislocation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) The patient was diagnosed as having recurrent TMJ dislocation based on the clinical criteria of Nitzan. The patient has the episodes of condylar dislocation for several times. 2) The conservative methods including restriction of the mandibular motions with chin cap, bandage, maxillomandibular fixation, or mouth opening training based on the self-reduce TMJ dislocation were ineffective. 3) A written informed consent must be obtained by an investigator from the patient or the legally authorized representative before the procedure.
Exclusion criteria
Exclusion criteria: 1) Inflammatory diseases of temporomandibular joint, such as rheumatoid arthritis, tuberculous arthritis. 2) Evidence of tumor or tumor like lesion in the TMJ. 3) Temporomandibular disorders caused by metabolic diseases, including crystal deposition diseases such as gout, pseudogout, or crystal arthritis. 4) Intercurrent facial palsy. 5) Serious concomitant systemic disorder, including malignant hypertension, history of severe cardiovascular diseases or cerebrovascular disorders within 6 months, hemorrhagic gastric ulcers, uncontrolled diabetes, apparent bleeding tendency. 6) Under anticoagulant therapy. 7) Suspicion for active infection. 8) History of serious psychiatric illness or psychiatry illness under medical treatment. 9) Others diagnosed as inapplicable cases by an investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| At follow-up 6 months after the procedure, there is no episode of TMJ dislocation. | — |
Secondary
| Measure | Time frame |
|---|---|
| Improvement of QOL by decreasing the frequency of TMJ dislocation. | — |
Countries
Japan
Contacts
Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Department of Oral and Maxillofacial Surgery