Prognostic factor of mandibular condylar movement exercise for patients with internal derangement of the temporomandibular joint on initial presentation: preliminary report.
OBJECTIVE
The aim of this study is to examine the factors, which predict the effect of mandibular condylar movement exercise (MCME).


METHODS
We investigated the efficiency of MCME and the significant difference in average age and the mean duration length of closed lock symptoms prior to the initial consultation in both success cases and failure cases in initial visiting. Seventy-four women aged between 19 and 75 (mean: 41.4) years were included in this study.


RESULTS
On the initial visiting day, the success cases were 50 cases (67.6%) and the failures were 24 cases (23.4%). The average age of success cases is 38.0 years, and failure cases are 48.4 years. Duration of the lock in success cases is 35.3 days, and failure cases are 87.6 days.


CONCLUSIONS
These results suggested that lower improvement rates thus correlated with increasing age with exercise. MCME is effective mouth-opening exercise in patients with a history of short duration of locking. In conclusion, age and duration of locking, it must become the important factor predict an effect MCME.
First Department of Oral and Maxillofacial Surgery, Osaka Dental University, 1-5-17, Otemae, Chuo-ku, Osaka, 540-0008, Japan. hiro-y@cc.osaka-dent.ac.jp
Hiroaki
H
Yoshida
Kosuke
K
Kashiwagi
Takeichi
T
Sakata
Masahiro
M
Tanaka
Takayoshi
T
Kawazoe
Shosuke
S
Morita
D000328:Adult; D000367:Age Factors; D000368:Aged; D018771:Arthralgia / Q000628:therapy; D003768:Dental Occlusion, Centric; D005081:Exercise Therapy / Q000379:methods*; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000628:therapy; D008335:Mandibular Condyle / Q000503:physiopathology*; D008875:Middle Aged; D011379:Prognosis; D016059:Range of Motion, Articular / Q000502:physiology; D013705:Temporomandibular Joint Disorders / Q000628:therapy*; D013997:Time Factors; D016896:Treatment Outcome; D055815:Young Adult