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. 2015 Apr 15;8(4):5943-8.
eCollection 2015.

Joint cavity injection combined with manual reduction and stabilization splint treatment of anterior disc displacement

Junjie Liu  1 , Hong Mu  2 , Zhifeng Wang  3 , Jing Lan  3 , Shizhou Zhang  1 , Xing Long  4 , Dongsheng Zhang  1
Affiliations

Joint cavity injection combined with manual reduction and stabilization splint treatment of anterior disc displacement

Junjie Liu et al. Int J Clin Exp Med. .

Abstract

Aim: This study aimed to compare the clinical efficacy of upper and lower joint cavity treatment (UJCT vs. LJCT) in patients with anterior disc displacement without reduction (ADDw/oR) of temporomandibular joint (TMJ).

Material and methods: A total of 56 patients with unilateral ADDw/oR were randomly divided into two groups: UJCT group and LJCT group. Manual reduction was done in all the patients after joint cavity rejection of sodium hyaluronate. Then, they were treated with stabilization splint for one or two months. At last, Friction index was calculated to evaluate the therapeutic efficacy at 6 to 12 months follow-up.

Results: The maximal mouth-opening degrees in the both groups increased significantly when compared with pre-treatment group (P < 0.01), and the Friction index decreased significantly when compared with pre-treatment group (P < 0.01); In LJCT group, the degrees of maximal mouth-opening increased significantly as compared to UJCT group (P < 0.05), and Friction index were also markedly lower than that in UJCT group (P < 0.05).

Conclusion: In the patients with ADDw/oR of TMJ, the clinical efficacy of LJCT is superior to that of UJCT, especially in the TMJ pain relief, mouth-opening degree and mandibular movement improvement.

Keywords: Temporomandibular joint disc; friction.

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Figures

Figure 1
Figure 1
Stabilization splints made with thermo-hardening plastics.
Figure 2
Figure 2
Well-occlusion gained by adjustment after worn in the mouth (3 mm in thickness in bilateral posterior areas of the splints).
See this image and copyright information in PMC

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