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Oral motor rehabilitation for temporomandibular joint disorders: a systematic review

ABSTRACT

Introduction:

Disorders of TMJ are complex and multifactorial. Studies comparing different treatment methods are found in the literature.

Purpose:

To verify the effectiveness of muscle and orofacial myofunctional rehabilitation for temporomandibular joint disorders (TMJ).

Research strategy:

This qualitative review of the literature analyzed international scientific publications in PubMed database that used the following keywords: temporomandibular disorders and oral motor therapy; orofacial myofunctional therapy and temporomandibular disorders; temporomandibular disorders and myofunctional rehabilitation. Our investigation was limited to articles published in English or Portuguese languages, between January 2006 and December 2016.

Selection criteria:

Scientific publications about rehabilitation strategies for TMJ associated to muscle exercises and/ or manual therapy were included. The publications that did not present access to the full text, that were repeated by overlapping keywords, case studies, letters to the editor and those that were not directly related to the topic of investigation were excluded.

Results:

One hundred and two studies were identified out of which 22 matched our inclusion criteria. Overall, most of the treatments described in the investigated studies presented positive outcomes for the patients with TMJ. The studies presented a wide variability in terms of treatment proposals and methodology used to verify treatment effectiveness. A very small number of studies included control groups. Combined techniques (e.g. exercises associated to the use of equipment to reduce pain) produced better therapy effects, with greater pain reduction and improved mandibular mobility.

Conclusion:

Although we observed a growing number of publications about TMJ rehabilitation, the best therapeutic technique and its real benefits remains unclear.

Keywords:
Temporomandibular joint; Therapeutics; Review

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