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Review
. 2018 Feb 2;115(5):59-64.
doi: 10.3238/arztebl.2018.0059.

The Treatment of Temporomandibular Joint Dislocation

Ulla Prechel  1 , Peter Ottl, Oliver M Ahlers, Andreas Neff
Affiliations
Review

The Treatment of Temporomandibular Joint Dislocation

Ulla Prechel et al. Dtsch Arztebl Int. .

Abstract

Background: The estimated incidence of temporomandibular joint dislocation in Germany is at least 25/100 000 per year. A correct diagnosis and the initiation of appropriate treatment without delay are essential if permanent damage to the joint is to be avoided.

Methods: This review is based on pertinent publications retrieved by a systematic search in the PubMed, Cochrane, Embase, and ZB Med databases.

Results: The initial search yielded 24 650 hits; duplicates were removed and 136 studies were chosen for further analysis. The diagnosis of temporomandibular joint dislocation is generally made clinically from the finding of a lower jaw that is fixed in the open position. Acute dislocations are manually repositioned at once. The most common method is Hippocratic repositioning, in which the physician's thumb is placed laterally next to the teeth and the other fingers are placed on the lower surface of the lower jaw. The physician then exerts pressure, first caudally, then dorsally. Repositioning is carried out in two steps. For dislocations that have been present for a longer time, manual repositioning may be ineffective and surgery may be needed. Recurrent dislocation can be treated in a minimally invasive way with botulinum toxin injections or autologous blood therapy. Surgery may be needed if these methods are ineffective.

Conclusion: There have been no more than a few randomized, controlled trials of treatments for temporomandibular joint dislocation, in particular concerning minimally invasive and open surgical treatments, and therefore only limited evidence-based conclusions can be drawn. Nonetheless, the diagnostic and therapeutic standards that have been established in recent years have gained wide international acceptance.

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Figures

Figure 1
Figure 1
Anatomy of the temporomandibular joint a) normal situation, b) anterior temporomandibular joint dislocation
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a) Method of reduction according to Hippocrates (modified)
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b) Reduction using the wrist pivot method
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c) extraoral method of reduction
Figure 3
Figure 3
Algorithm for acute anterior temporomandibular joint dislocation
eFigure
eFigure
Literature search
See this image and copyright information in PMC

References

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