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Study Highlights TMD Evidence and Current Practice Gaps

The TMJ Association has long championed the need for strong evidence-based demonstrations of the safety and efficacy of TMD diagnostics and treatments. Sad to say, as the following journal article indicates, even among a network of research-oriented practices, dental providers are still resorting to such TMD treatments as occlusal adjustments in which teeth are irreversibly moved, ground down, or in other ways altered, a treatment for which there is no scientific evidence of efficacy.

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Study Highlights TMD Evidence and Current Practice Gaps

  • May 31, 2017

The TMJ Association has long championed the need for strong evidence-based demonstrations of the safety and efficacy of TMD diagnostics and treatments. Sad to say, as the following journal article indicates, even among a network of research-oriented practices, dental providers are still resorting to such TMD treatments as occlusal adjustments in which teeth are irreversibly moved, ground down, or in other ways altered, a treatment for which there is no scientific evidence of efficacy.

Dentist Practice Patterns and Therapeutic Confidence in the Treatment of Pain Related to Temporomandibular Disorders in a Dental Practice-Based Research Network.

Kakudate N, Yokoyama Y, Sumida F, Matsumoto Y, Gordan VV, Gilbert GH, Velly AM, Schiffman EL. 

J Oral Facial Pain Headache. 2017 Spring;31(2):152-158. doi: 10.11607/ofph.1730.

 

Abstract


Aims

To quantify the practice patterns of Japanese dentists in the management of pain related to temporomandibular disorders (TMD) and to identify specific characteristics that are significantly associated with the decision to perform occlusal adjustment for TMD-related pain.


Methods

A cross-sectional study was conducted consisting of a questionnaire survey of dentists affiliated with the Dental Practice-Based Research Network Japan (JDPBRN) (n = 148). Participants were asked how they diagnosed and treated TMD-related pain. Associations between dentist characteristics and the decision to perform occlusal adjustment were analyzed via multiple logistic regression.


Results

A total of 113 clinicians responded to the questionnaire (76% response rate), and 81% of them (n = 89) had treated TMD during the previous year. Dentists treated an average of 1.9 ± 1.8 (mean ± SD) patients with TMD-related pain per month. Most JDPBRN dentists used similar diagnostic protocols, including questions and examinations. The most frequent treatments were splints or mouthguards (96.5%), medications (84.7%), and self-care (69.4%). Occlusal adjustment for TMD-related pain was performed by 58% of the participants. Multiple logistic regression analysis identified two factors significantly associated with the decision to perform occlusal adjustment: dentist lack of confidence in curing TMD-related acute pain (odds ratio [OR] 5.60; 95% confidence interval [CI] 1.260 to 24.861) and proportion of patients with severe TMD-related pain (OR 0.95; 95% CI 0.909 to 0.999).


Conclusion

The most common treatments for TMD-related pain were reversible treatments; however, over half of the dentists performed occlusal adjustment for TMD-related pain. The results of this study suggest that an evidence-practice gap exists for occlusal adjustment for TMD-related pain.

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