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Temporomandibular joint disorder

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https://www.readbyqxmd.com/read/27903449/sex-differences-in-the-estrogen-dependent-regulation-of-temporomandibular-joint-remodeling-in-altered-loading
#1
Jennifer L Robinson, Katelyn Cass, Ross Aronson, Thomas Choi, Manshan Xu, Ryan Buttenbaum, Hicham Drissi, Helen H Lu, Jing Chen, Sunil Wadhwa
OBJECTIVE: Temporomandibular joint (TMJ) diseases predominantly afflict women, suggesting a role of estrogen in the disease etiology. Previously, we determined that decreased occlusal loading (DOL) inhibited collagen type II (Col2) expression in the mandibular condylar cartilage (MCC) of female wild-type (WT) mice whereas no change was observed in males. This decrease in chondrogenesis was abolished by estrogen receptor beta (ERβ) deficiency in females. Therefore, the goal of this study was to examine the role of estradiol - ERβ signaling in mediating DOL effects in male mice to further decipher sex differences...
November 26, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27900241/changes-in-the-salivary-oxidative-status-in-individuals-with-temporomandibular-disorders-and-pain
#2
Claudyane de Almeida, José Miguel Amenábar
Temporomandibular joint disorders are quite common among the general public. Free radicals may play a role in the pathogenesis of joint diseases, and the oxidative stress is an important aspect in the mechanism of TMDs. The use of new biotechnologies has enabled the use of saliva as a diagnostic method. This is the first paper that aims to investigate changes in the oxidative status, through saliva analysis, in individuals who suffer from temporomandibular disorder and pain. Sixty individuals, 54 women and 06 men, aged between 10 and 60, participated in this research...
November 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27898256/comparative-study-of-the-physiotherapeutic-and-drug-protocol-and-low-level-laser-irradiation-in-the-treatment-of-pain-associated-with-temporomandibular-dysfunction
#3
Marcos Fernando Xisto Braga Cavalcanti, Uoston Holder Silva, Ernesto Cesar Pinto Leal-Junior, Rodrigo A B Lopes-Martins, Rodrigo Labat Marcos, Rodney Capp Pallotta, Francesca Diomede, Oriana Trubiani, Natalia De Isla, Lucio Frigo
BACKGROUND: The temporomandibular joint (TMJ) is a structure of the craniofacial complex affected by neurological diseases. Orthopedic and musculoskeletal changes can also cause temporomandibular disorders (TMD) and pain. Low-level laser (LLL) therapy has been studied in the treatment of temporomandibular jaw (TMJ) dysfunction, and controversial results were obtained. OBJECTIVE: The objective of this work was comparing the physiotherapeutic and drug protocol (PDP) to LLL therapy in the treatment of pain associated with TMD...
November 29, 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27889533/temporomandibular-joint-disorder-management-in-oral-and-maxillofacial%C3%A2-surgery
#4
Louis G Mercuri
PURPOSE: This article discusses why the management of temporomandibular joint disorder (TMD) cases leads to some oral and maxillofacial surgeons to actively avoid attracting such patients to their practices, offers some evidence-based explanations, and provides recommendations for resolution that will benefit not only the specialty but more importantly the patients it serves. MATERIALS AND METHODS: A review of the reasons some surgeons state they do not wish to manage TMD cases is presented, followed by an updated review of the TMD and orthopedic literature discussing not only the importance of a proper diagnosis but also the impact of comorbid conditions, genetics, clinical experience, and patient expectations important to achieving good TMD management outcomes...
November 4, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27867065/condylar-resorptions-and-orthodontic-surgical-treatment-state-of-the-art
#5
Joël Ferri, Romain Nicot, Jean-Michel Maes, Gwénael Raoul, Ludovic Lauwers
Resorption of the mandibular condyle [RMC] is a disease of the temporomandibular joints, with multifactorial origins. The clinical manifestations take the form essentially of joint pain and occlusal disorders, depending on the rate at which the condyle is affected. X-ray imaging shows that the condyle is reduced in volume, flattened and displaced backwards, with loss of cortical substance in advanced forms. The aim of this article is to recall some pathophysiological features and then to review all the diagnostic and etiological factors and discuss possible modes of management...
November 17, 2016: International Orthodontics
https://www.readbyqxmd.com/read/27862166/association-between-temporomandibular-disorders-and-pain-in-other-regions-of-the-body
#6
Letícia Ladeira Bonato, Valquiria Quinelato, Patrícia Cataldo de Felipe Cordeiro, Eduardo Branco de Sousa, Ricardo Tesch, Priscila Ladeira Casado
: The pain from temporomandibular disorder (TMD) is often associated on physical symptoms of other chronic pain disorders and comorbidities, such as generalized muscle and joint pain. However, this association is not widely studied. OBJECTIVE: To evaluate the prevalence of comorbid pain in joints, specifically in the the knees, hips, ankles, shoulders, wrists and elbows, in individuals with and without TMD. MATERIALS AND METHOD: We evaluated 337 patients from a public hospital in the city of Rio de Janeiro, Brazil...
November 10, 2016: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/27857093/rheumatoid-arthritis-an-update-for-general-dental-practitioners
#7
S de Souza, R K Bansal, J Galloway
Rheumatoid arthritis (RA) is a common chronic inflammatory autoimmune disorder which significantly impacts patients' lives and can lead to permanent disability. Inflammation in RA not only affects joints; but can affect organs including the heart and lungs. Early diagnosis, initiation of intensive drug therapy, and a multidisciplinary care approach have vastly improved the long-term prognosis for those living with the condition. However, RA patients often present with co-morbidities which add to the complexity of clinical management...
November 18, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27856968/estrogen-induced-monocytic-response-correlates-with-temporomandibular-disorder-pain-a-case-control-study
#8
M C Ribeiro-Dasilva, R B Fillingim, S M Wallet
Temporomandibular disorders (TMD) are a set of conditions characterized by pain and dysfunction in the temporomandibular joint and muscles of mastication. These pain conditions are associated with considerable morbidity, societal costs, and reduced quality of life. The prevalence varies between 4% and 10%, with females at higher risk, and a higher prevalence occurs during reproductive years. The increased prevalence of TMD in females and low prevalence in childhood reinforce that sex hormones, like estrogen, play an important, complex role in the pathophysiology of these disorders...
November 16, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27856966/longitudinal-stability-of-common-tmj-structural-disorders
#9
E L Schiffman, M Ahmad, L Hollender, K Kartha, R Ohrbach, E L Truelove, L Zhang, J S Hodges, E Sommers, G C Anderson, Y M Gonzalez, X Guo, J O Look
The longitudinal course of temporomandibular joint (TMJ) disc displacement (DD) and degenerative joint disease (DJD) has never been conclusively described with magnetic resonance imaging and computed tomography, respectively. This 8-y observational study's objective was to assess the longitudinal stability of DD and DJD among 401 subjects. The Validation Project provided baseline measures; follow-up was performed in the TMJ Impact Project. With magnetic resonance imaging, 2 radiologists rendered a consensus diagnosis of normal/indeterminate, DD with reduction, or DD without reduction...
November 16, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27855674/disk-displacement-eccentric-condylar-position-osteoarthrosis-misnomers-for-variations-of-normality-results-and-interpretations-from-an-mri-study-in-two-age-cohorts
#10
Jens C Türp, Anna Schlenker, Johannes Schröder, Marco Essig, Marc Schmitter
BACKGROUND: Clinical decision-making and prognostic statements in individuals with manifest or suspected temporomandibular disorders (TMDs) may involve assessment of (a) the position of articular disc relative to the mandibular condyle, (b) the location of the condyle relative to the temporal joint surfaces, and (c) the depth of the glenoid fossa of the temporomandibular joints (TMJs). The aim of this study was twofold: (1) Determination of the prevalence of these variables in two representative population-based birth cohorts...
November 17, 2016: BMC Oral Health
https://www.readbyqxmd.com/read/27849244/influence-of-generalized-joint-hypermobility-on-temporomandibular-joint-and-dental-occlusion-a-cross-sectional-study
#11
Lais Chiodelli, Andrielle de Bitencourt Pacheco, Taiane Secretti Missau, Ana Maria Toniolo da Silva, Eliane Castilhos Rodrigues Corrêa
Purpose: To evaluate the dental occlusion and temporomandibular joint in women with and without generalized joint hypermobility. Methods: Generalized joint hypermobility was assessed by the Beighton score. Individuals were divided into two groups: with and without hypermobility. The Research Diagnostic Criteria for Temporomandibular Disorders was used to evaluate the temporomandibular joint. Dental occlusion was assessed according to Angle classification, overjet and overbite measures, presence of open bite or crossbite, pattern of disocclusion, and occlusal interference...
September 2016: CoDAS
https://www.readbyqxmd.com/read/27836550/temporomandibular-joint-tmj-arthroscopic-lysis-and-lavage-outcomes-and-rate-of-progression-to-open-surgery
#12
Omar Breik, Vishakha Devrukhkar, George Dimitroulis
PURPOSE: Arthroscopic lysis and lavage has been shown to be effective in the management of a variety of TMJ (Temporomandibular joint) diseases. The purpose of this study was to evaluate the medium to long-term outcomes of TMJ arthroscopic lysis and lavage and determine factors associated with progression to open surgery. MATERIALS AND METHODS: A retrospective cohort study of a single operator series was performed over a 6-year period from 2006 to 2012. The variables of gender, age and category (Dimitroulis classification) were compared to evaluate factors associated with success of arthroscopy and progression to open surgery...
October 5, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27836443/-tinnitus-and-temporomandibular-joint-state-of-the-art
#13
G Lina-Granade, E Truy, E Ionescu, P Garnier, H Thai Van
Tinnitus has been described in temporomandibular joint dysfunction for a long time. Yet, other disorders, such as hearing loss, stress, anxiety and depression, play a major role in the pathophysiology of tinnitus. Temporomandibular joint dysfunctions seem to increase the risk of tinnitus in patients with other predisposing factors. Especially somatosensory tinnitus, which is characterized by sound modulations with neck or mandible movements, is frequently associated with temporomandibular joint dysfunction, but it is not pathognomonic of such a disorder...
November 8, 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
https://www.readbyqxmd.com/read/27836101/tumor-necrosis-factor-alpha-stimulates-cytokine-expression-and-transient-sensitization-of-trigeminal-nociceptive-neurons
#14
Zachary L Durham, Jordan L Hawkins, Paul L Durham
OBJECTIVE: Elevated levels of tumor necrosis factor- alpha (TNF-α) in the capsule of the temporomandibular joint (TMJ) are implicated in the underlying pathology of temporomandibular disorders (TMD). TMD are a group of conditions that result in pain in the TMJ and/or muscles of mastication, and are associated with significant social and economic burdens. The goal of this study was to investigate the effect of elevated TNF-α levels in the TMJ capsule on nocifensive behavioral response to mechanical stimulation of trigeminal neurons and regulation of cytokines within the trigeminal ganglion...
November 4, 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/27834407/-painful-temporomandibular-dysfunctions-diagnosis-and-treatment
#15
F Lobbezoo, G Aarab, W Knibbe, M Koutris, C J Warnsinck, P Wetselaar, C M Visscher
Painful temporomandibular disorders (TMD pain) are common among the general population. The most common sub diagnoses are myalgia (jaw-muscle pain) and arthralgia (temporomandibular joint pain). The aetiology of TMD pain has a multifactorial nature, and its diagnosis and possible treatment often require a multidisciplinary approach. The most recent insights in the diagnosis and treatment of TMD pain are based on the multidisciplinary guideline 'Chronic Orofacial Pain' that was developed by the Dutch Society of Headache Patients and was published in 2013...
November 2016: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/27833231/acute-dystonia-after-single-dose-of-bupropion
#16
Forouzan Elyasi, Elham Mahtiyan
Bupropion is an antidepressant that is effective in the treatment of major depressive disorders, smoking cessation, and sexual side effects of selective serotonin reuptake inhibitors. Acute dystonia is characterized by prolonged muscle contraction often represented by spasms of the head and neck muscles as well as occasional jaw clenching and temporomandibular joint syndrome. Although it is believed that dystonia is the result of an abnormality of the basal ganglia, its pathophysiology is still unclear. A few cases of dystonia resulting from bupropion have been reported in prior research papers...
September 2016: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/27824552/ehlers-danlos-syndrome-hypermobility-type-a-much-neglected-multisystemic-disorder
#17
REVIEW
Yael Gazit, Giris Jacob, Rodney Grahame
Ehlers-Danlos syndrome (EDS)-hypermobility type (HT) is considered to be the most common subtype of EDS and the least severe one; EDS-HT is considered to be identical to the joint hypermobility syndrome and manifests with musculoskeletal complaints, joint instability, and soft tissue overuse injury. Musculoskeletal complaints manifest with joint pain of non-inflammatory origin and/or spinal pain. Joint instability leads to dislocation or subluxation and involves peripheral joints as well as central joints, including the temporomandibular joints, sacroiliac joints, and hip joints...
October 31, 2016: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/27823980/efficacy-of-splint-therapy-for-the-management-of-temporomandibular-disorders-a-meta-analysis
#18
Chao Zhang, Jun-Yi Wu, Dong-Lai Deng, Bing-Yang He, Yuan Tao, Yu-Ming Niu, Mo-Hong Deng
Temporomandibular disorders (TMD) are a group of clinical problems affecting temporomandibular joint (TMJ), myofascial muscles and other related structures. Splint therapy is the most commonly used approach to treatment of TMD, but its effectiveness is remains unclear. We therefore conducted a meta-analysis to evaluate the effectiveness of splint therapy for TMD in adults. The electronic databases PubMed, EMBASE, Cochrane Library, and ClinicalTrials.gov were searched for reports published up to March 31, 2016...
November 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27814253/a-progressive-approach-for-the-use-of-occlusal-devices-in-the-management-of-temporomandibular-disorders
#19
Jonathan P Wiens
Temporomandibular disorders (TMDs) represent a broad spectrum of conditions associated with the temporomandibular joints and the neuromuscular system. Evidence-based diagnostic criteria for various TMDs are emerging, while corresponding treatment procedures remain less clear. As a result, the clinician may be uncertain how to best care for TMD patients. The objectives of this evidence-based review were to outline the various types of occlusal devices, assess the efficacy of occlusal splints in treating TMD patients, and create a treatment rubric based on diagnostic criteria and condition severity...
November 2016: General Dentistry
https://www.readbyqxmd.com/read/27812883/chronic-temporomandibular-disorders-disability-pain-intensity-and-fear-of-movement
#20
Alfonso Gil-Martínez, Mónica Grande-Alonso, Ibai López-de-Uralde-Villanueva, Almudena López-López, Josué Fernández-Carnero, Roy La Touche
BACKGROUND: The objective was to compare and correlate disability, pain intensity, the impact of headache on daily life and the fear of movement between subgroups of patients with chronic temporomandibular disorder (TMD). METHODS: A cross-sectional study was conducted in patients diagnosed with chronic painful TMD. Patients were divided into: 1) joint pain (JP); 2) muscle pain (MP); and 3) mixed pain. The following measures were included: Craniomandibular pain and disability (Craniofacial pain and disability inventory), neck disability (Neck Dsiability Index), pain intensity (Visual Analogue Scale), impact of headache (Headache Impact Test 6) and kinesiophobia (Tampa Scale of Kinesiophobia-11)...
December 2016: Journal of Headache and Pain
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