Changes in understanding of painful temporomandibular disorders: the history of a transformation

Sk ármeta, Nicolas Patri / Pesce, Maria Cecilia / Saldivia, Josefina / Espinoza-Mellado, Paula / Montini, Francisca / Sotomayor, ClaudioPage 662 - 669Objective: The understanding the etiology of painful temporomandibular disorders (TMD) has evolved over the last eight decades. Evidence-based systematic research had questioned historical concepts and abandoned preconceived dogmas based purely on mechanically based etiologies, transforming TMD into a complex musculoskeletal chronic pain model. Unfortunately, many of these old ideas persist in undergraduate education and the dental community. Revisiting the historical development and the way the etiology of painful TMD has changed over the years may be helpful to understand the complexities of TMD as a group of chronic pain pathologies.Method and materials: A literature search using the MeSH terms: "temporomandibular joint disorders," "TMD," "etiology," "causality," "history," and "evolution" using Medline and Scopus databases was conducted aiming to answer the focused question: "In what ways has etiologic understanding of temporomandibular disorders evolved?" A narrative review was performed with the selected studies, highlighting significant contributions that have transformed TMD from a purely mechanical-based phenomenon into a chronic pain biopsychosocial disease model.
Source: Quintessence International - Category: Dentistry Source Type: research

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Painful temporomandibular disorders are chronic conditions that can have a negative impact on the quality of life and well-being of affected individuals. It is frequently associated with dysfunction of the masticatory muscles due to specific or non-specific temporomandibular disorders. Potential risk factors for painful temporomandibular disorders include trauma, dental malocclusion, excessive masticatory system loading, hypermobility, parafunctional habits and anatomical, psychosocial and/or systemic disorders.
Source: The Journal of Pain - Category: Materials Science Authors: Tags: Review Article Source Type: research
Discussion: There is low to moderate level evidence that combination analgesic products containing low-dose codeine provide small to moderate pain relief for acute and chronic pain conditions in the immediate short term with limited trial data on use beyond 24 hours. Further research examining regular use of these medicines is needed with more emphasis on measuring potential harmful effects.
Source: The Clinical Journal of Pain - Category: Anesthesiology Tags: Review Articles Source Type: research
Publication date: Available online 30 August 2019Source: The Egyptian RheumatologistAuthor(s): Hanan M. Elshoura, Nayera Z. Saber, Mohamed A. Elwy, Mervat M. AbdelhakimAbstractAim of the workTo assess the effectiveness of perineural injection therapy (PIT) as a new modality in the management of chronic pain and dysfunction of the TMJ in RA patients and to study if it has any role in tissue regeneration.Patients and methodsOut of 19 RA patients with persistent TMJ involvement and pain despite receiving systemic treatment, 13 agreed to have PIT and only 11 completed the study; 21 TMJ (10 bilateral and 1 unilateral) were asse...
Source: The Egyptian Rheumatologist - Category: Rheumatology Source Type: research
Juvenile idiopathic arthritis (JIA) is the most common chronic rheumatic disease in children with a temporomandibular joint (TMJ) involvement of 11.6-80%. Patients with affected TMJs often develop pain, malocclusion, and dentofacial deformities. Multiple surgical techniques exist to restore function and esthetics to JIA patients; however, continuing TMJ degeneration, unpredictable autogenous condylar grafting, and donor site morbidity make alloplastic TMJ reconstruction a necessary consideration for management of severe TMJ-related destruction.
Source: Journal of Oral and Maxillofacial Surgery - Category: ENT & OMF Authors: Source Type: research
ConclusionsA simple noninvasive protocol for managing cTMD with self-help, exercises, and oral devices resulted in clinically and statistically meaningful improvements in pain, function, and quality of life.
Source: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology - Category: ENT & OMF Source Type: research
Abstract BACKGROUND: Temporomandibular disorders (TMDs) are a family of pain-related disorders associated with impaired function in the jaw, temporomandibular joint and muscles of mastication. Our objectives were to evaluate the association between chronic TMD and gastresophageal reflux disease (GERD) and to determine whether mental disorders or undermined sleep mediates this association. METHODS: We conducted a case-control study involving 1522 consecutive adult patients with chronic TMD and 1522 matched controls from 2 hospitals in China. All participants were aged between 18 and 70 years and were recruited...
Source: cmaj - Category: General Medicine Authors: Tags: CMAJ Source Type: research
This study established an experimental model that evaluate the effect of type 1 diabetes on nociceptive challenges in the temporomandibular joint (TMJ). Streptozotocin-induced type 1 (STZ 75 mg/Kg) diabetes inhibit the responsiveness of C-fibers nociceptors located in the TMJ of Wistar rats since 7th day after the disease induction. Diabetes-induced hyporesponsiveness of C-fibers nociceptors was associated with significantly reduction of protein level of neuropeptides Substance P and Calcitonin Gene Related Peptide. Diabetic animals pre-treated with Protein Kinase C (PKC)-α and -β inhibitor (GO6976) or PKC- &b...
Source: Neuroscience - Category: Neuroscience Source Type: research
CONCLUSION: These findings highlight the need for health care providers to establish nutritional guidelines for TMD individuals at risk of physiologic and psychologic comorbidities. Health care intervention programs to treat people living with chronic TMD pain and that provide nutritional guidance will help decrease medical crises and the need for expensive interventions and will better assist these patients. PMID: 31247062 [PubMed - as supplied by publisher]
Source: Journal of Orofacial Pain - Category: ENT & OMF Tags: J Oral Facial Pain Headache Source Type: research
CONCLUSION: Dysregulated psychophysiologic interactions may affect the development of tinnitus in patients with chronic TMD. PMID: 31247060 [PubMed - as supplied by publisher]
Source: Journal of Orofacial Pain - Category: ENT & OMF Tags: J Oral Facial Pain Headache Source Type: research
aco A Abstract Background: Temporomandibular joint dysfunction (TMD) therapy remains an open challenge for modern dentistry. Herein, we propose a new neuromuscular lingual device able to reduce signs and symptoms of TMD in female patients with chronic orofacial pain. Methods: 50 females with myofascial TMD according to RDC/TMD were randomly assigned to study (n = 25) and control groups (n = 25). At T0, both groups received sEMG/KNG and pain evaluation by the VAS scale. The study group received the ELIBA device (lingual elevator by Balercia) constructed under ULF-TENS (ultra-low-fre...
Source: Pain Research and Management - Category: Anesthesiology Authors: Tags: Pain Res Manag Source Type: research
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