Posterior disc displacement of the temporomandibular joint
is rare. We present a unique treatment method and magnetic resonance (MR) images
of this condition. The patient was a 43-year-old male with a chief complaint of
abnormal occlusion. Regarding the present status, there was no occlusion on the
right side. No temporomandibular joint pain, myalgia, or clicking were observed
while mouth opening. On MR images, the posterior disc displacement without reduction
on the right was observed and it was assumed that occlusal abnormality was due
to this condition. We treated him with the following methods. After injection
into the superior articular cavity with 2% lidocaine, a sodium hyaluronate
preparation was injected followed by intermaxillary traction applied using
rubber. The recovery of occlusion was confirmed in follow-up at 5 days after
treatment. In the 13th days, the intermaxillary traction was removed.
On MR images, the right disc condition was changed to anterior disc
displacement with reduction. We consider our treatment methods are effective
for this clinical condition.
Cite this paper
Mori, Y. , Kakudo, K. , Haeniwa, H. , Gotoh, M. , Kubo, H. , Ohnishi, Y. , Nakajima, M. , Iwasaki, H. , Akiyama, H. , Yotsui, Y. and Shimizutani, K. (2013) The effectiveness of local anesthetic and sodium hyaluronate injection for the posterior disc displacement: A case report. Open Journal of Stomatology, 3, 223-225. doi: 10.4236/ojst.2013.33038.
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