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National Academy of Medicine Study on Temporomandibular Disorders

The first meeting of the National Academy of Medicine Committee on Temporomandibular Disorders (TMD): From Research Discoveries to Clinical Treatment will be held Tuesday, January 29, 2019 at the National Academy of Sciences building in Washington, D.C.&

Attention Canadian TMJ Implant Patients

The Trial of the Class Action brought by Canadian patients who were implanted with Vitek Proplast TMJ implants, against Health Canada, alleging negligent regulation starts on April 1, 2019 in Toronto.

Long-term Changes in Biopsychosocial Characteristics Related to Temporomandibular Disorder: Findings from the OPPERA Study

The following article by Roger B. Fillingim, Gary D. Slade, Joel D. Greenspan, Ronald Dubner, William Maixner, Eric Bair, and Richard Ohrbach was published in the journal of Pain, November 2018. We are grateful to Dr. Fillingim for writing the following

National Academy of Medicine to Conduct a Study on Temporomandibular Disorders

We want you to be among the first to know that because of the advocacy efforts of The TMJ Association, the National Academy of Medicine (NAM) will conduct a first-ever study on Temporomandibular Disorders (TMD).

Dentists in Distress

Fear of the dentist is practically a rite of passage in youth. Growing up, I wasn't exactly afraid of the dentist; rather, any excuse to leave school early was a powerful incentive. These days, I have a more complicated relationship with dentistry: I go to get answers and try to feel better, but I always pop a prophylactic ibuprofen or two in case my jaw protests from the oral gymnastics.

Prevalence of TMD in Sjӧgren Syndrome Patients

  • May 30, 2018

Abstract

Aims: Sjӧgren Syndrome is a disorder involving oral tissues, with xerostomia, dysgeusia, dysphagia, tooth decay, gingivitis, angular cheilitis and glossitis. Temporomandibular disorders are a generic term referred to clinical conditions involving the jaw muscles and temporomandibular joint. The aim of this study was to investigate the prevalence of oral manifestations and temporomandibular disorders (TMD) in Sjӧgren Syndrome (SS) patients compared with healthy people.

Methods: The study group included 72 SS patients (2 men, 70 women) diagnosed according to the American-European Consensus Group (AECG) Criteria. A randomly selected group of 72 patients, matched by sex and age, served as control group. The examination for TMD signs and symptoms was based on the standardized Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) through a questionnaire and clinical examination.

Results: SS patients complained more frequently (95.8%) of oral symptoms (xerostomia, dysgeusia, dysphagia) than controls (22.2%) (χ2= 80.66 p< 0.001). TMD symptoms (muscle pain on chewing, difficulty in mouth opening, arthralgia, headaches, tinnitus) were complained by 91.7% of SS patients and by 84.7% of controls (χ2= 1,667 p= 0,196). At the clinical examination, 91.7% of SS had at least one oral sign respect to 75% of controls. The salivary flow measurements showed high statistical significance between the two groups (Unpaired test, p< 0,0001). Myofascial pain (caused by muscular contracture) was significantly higher in the study group than in the control one (p≤0,05). Furthermore 18.05% of SS patients showed deflection versus 5.5% of controls (χ2=5,402 p=0,020).

Conclusions: Sjӧgren's Syndrome seems to play a role in temporomandibular joint disorders. 

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Source: Crincoli V, Di Comite M, Guerrieri M, et al. Orofacial Manifestations and Temporomandibular Disorders of Sjogren Syndrome: An Observational Study. International Journal of Medical Sciences. 2018;15(5):475-483. doi:10.7150/ijms.23044.

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