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https://www.readbyqxmd.com/read/28637604/cervical-flexion-rotation-test-and-physiological-range-of-motion-a-comparative-study-of-patients-with-myogenic-temporomandibular-disorder-versus-healthy-subjects
#1
Tzvika Greenbaum, Zeevi Dvir, Shoshana Reiter, Ephraim Winocur
BACKGROUND: Temporomandibular Disorders (TMD) refer to several common clinical disorders which involve the masticatory muscles, the temporomandibular joint (TMJ) and the adjacent structures. Although neck signs and symptoms are found with higher prevalence in TMD patients compared to the overall population, whether limitation of cervical mobility is an additional positive finding in this cohort is still an open question. OBJECTIVE: To compare the physiological cervical range of motion (CROM) and the extent of rotation during cervical flexion (flexion-rotation test, FRT) in people with TMD (muscular origin) and healthy control subjects...
February 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28629271/expression-of-interleukin-1-and-temporomandibular-disorder-contemporary-review-of-the-literature
#2
Adam Sorenson, Kyle Hresko, Seth Butcher, Sean Pierce, Vinicius Tramontina, Rosalia Leonardi, Carla Loreto, Jose Bosio, Luis Eduardo Almeida
OBJECTIVE: Temporomandibular disorders (TMD) are a group of conditions affecting the temporomandibular joint (TMJ), leading to jaw dysfunction, joint and muscle pain, and a decrease in quality of life. A communication network of pro- and anti-inflammatory mediators called cytokines maintains the homeostasis of the TMJ. This review will focus on the Interleukin (IL) family of cytokines, which have been quantified in TMJ synovial fluids in a variety of studies. IL-1α and IL-1β have pro-inflammatory effects, while the endogenous receptor antagonist (IL-1RA) inhibits the pro-inflammatory effects of IL-1...
June 19, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28613057/-analysis-of-factors-related-to-the-number-of-mesenchymal-stem-cells-derived-from-synovial-fluid-of-the-temporomandibular-joint
#3
Y P Sun, Y H Zheng, Z G Zhang
Objective: To analyze related factors on the number of mesenchymal stem cells in the synovial fluid of the temporomandibular joint (TMJ) and provide an research basis for understanding of the source and biological role of mesenchymal stem cells derived from synovial fluid in TMJ. Methods: One hundred and twenty-two synovial fluid samples from 91 temporomandibular disorders (TMD) patients who visited in Department of TMJ Center, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University from March 2013 to December 2013 were collected in this study, and 6 TMJ synovial fluid samples from 6 normal volunteers who were studying in the North Campus of Sun Yat-sen University were also collected, so did their clinical information...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28612927/the-il-1ra-gene-variable-number-tandem-repeat-variant-is-associated-with-susceptibility-to-temporomandibular-disorders-in-turkish-population
#4
Mehmet Kemal Tumer, Ayse Feyda Nursal, Akin Tekcan, Kaan Yerliyurt, Anastasia Geyko, Serbulent Yigit
BACKGROUND: Temporomandibular joint disorders (TMD) are a group of disorders involving temporomandibular joint and related structures. Interleukine-1 receptor antagonist (IL-1Ra) is an important anti-inflammatory molecule that competes with other interleukin-1 molecules. This study was designed to investigate the possible association of the IL-1Ra VNTR variant with the risk of TMD in the Turkish population. METHODS: Peripheral blood samples were collected from 100 patients with TMD (23 males, 77 females) and 110 healthy individuals (35 males, 75 females)...
June 14, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28602569/a-comparison-of-the-outcomes-of-four-minimally-invasive-treatment-methods-for-anterior-disc-displacement-of-the-temporomandibular-joint
#5
H Hosgor, B Bas, C Celenk
The purpose of this study was to compare the effectiveness of four non-surgical conservative treatment methods for temporomandibular disorders (TMD). The study group comprised 40 patients with unilateral TMD who fell into group II of the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD). Patients were divided into four groups according to the treatment method: splint therapy, arthrocentesis, medical therapy, and low-level laser therapy. Magnetic resonance imaging (MRI) was performed before treatment and at the 1-month follow-up...
June 8, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28602382/value-in-oral-and-maxillofacial-surgery-a-systematic-review-of-economic-analyses
#6
Benjamin Geisler, Yisi D Ji, Zachary S Peacock
PURPOSE: The purpose of this study is to describe the state of economic analyses in the field of oral and maxillofacial surgery (OMS). MATERIALS AND METHODS: A systematic search of published literature up to 2016 was performed. The inclusion criteria were as follows: English-language articles on economic analyses pertaining to OMS including anesthesia and pain management; dentoalveolar surgery; orthognathic, cleft, and/or obstructive sleep apnea treatment; pathology; reconstruction; temporomandibular disorders; trauma; and other...
May 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28600825/temporomandibular-dysfunction-in-adult-patients-with-myotonic-dystrophy-dm1
#7
REVIEW
C Mejersjö, S Kiliaridis
Myotonic muscle dystrophy is a systemic disease with early engagement of the facial muscles. Our aim was to study dysfunction of the temporomandibular system in patients with 'classic' dystrophia myotonica (DM1) and compare it with TMD patients and healthy controls. The study included 27 referred patients with DM1, 18 women and 9 men, aged 30-62 years, and two matched control groups: patients with temporomandibular disorders symptoms (TMD) and healthy controls, both groups were consecutive patients. The patients answered questions regarding facial pain, jaw function and dysfunction...
June 10, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28598142/arthroscopic-eminoplasty-a-new-choice-of-treatment-for-tmj-internal-derangement
#8
Blas Garcia Medina, Paolo Cariati, Pablo Galvez, Almudena Cabello Serrano, Miguel Garcia Martin
BACKGROUND: Temporomandibular joint (TMJ) internal derangement is a common disabling disorder that is often underestimated by society. The main goal of our study is to show the clinic improvement experienced by patients that underwent arthroscopic eminoplasty as a treatment for TMJ in our center. METHODS: 19 patients (1 male, 18 females) agreed to participate voluntarily in our study. These patients presented signs and symptoms of TMJ internal derangement and pathological MRI images, and underwent arthroscopic eminoplasty in our center...
June 9, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28587937/anti-inflammatory-and-anti-nociceptive-effects-of-strontium-ranelate-on-the-zymosan-induced-temporomandibular-joint-inflammatory-hypernociception-in-rats-depend-on-tnf-%C3%AE-inhibition
#9
Sheila Moreira Alves, Susana Capistrano Abreu, Jonas Cavalcante Lemos, Francisco Isaac Fernandes Gomes, Shirley Moreira Alves, Danielle Rocha do Val, Raul Sousa Freitas, Karuza Maria Alves Pereira, Vicente de Paulo Teixeira Pinto, Gerly Anne de Castro Brito, Mirna Marques Bezerra, Gerardo Cristino-Filho, Hellíada Vasconcelos Chaves
BACKGROUND: Temporomandibular joint (TMJ) disorders show inflammatory components, heavily impacting on quality of life. Strontium ranelate has previously shown anti-inflammatory and antinociceptive effects on other experimental inflammatory pain models. Thus, we aim to investigate the strontium ranelate efficacy in reducing the zymosan-induced inflammatory hypernociception in the TMJ of rats by evaluating the TNF-α, IL-1β, and hemeoxygenase-1 (HO-1) involvement. METHODS: Wistar rats were treated with strontium ranelate (0...
March 12, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28582470/estradiol-upregulates-voltage-gated-sodium-channel-1-7-in-trigeminal-ganglion-contributing-to-hyperalgesia-of-inflamed-tmj
#10
Rui-Yun Bi, Zhen Meng, Peng Zhang, Xue-Dong Wang, Yun Ding, Ye-Hua Gan
BACKGROUND: Temporomandibular disorders (TMDs) have the highest prevalence in women of reproductive age. The role of estrogen in TMDs and especially in TMDs related pain is not fully elucidated. Voltage-gated sodium channel 1.7 (Nav1.7) plays a prominent role in pain perception and Nav1.7 in trigeminal ganglion (TG) is involved in the hyperalgesia of inflamed Temporomandibular joint (TMJ). Whether estrogen could upregulate trigeminal ganglionic Nav1.7 expression to enhance hyperalgesia of inflamed TMJ remains to be explored...
2017: PloS One
https://www.readbyqxmd.com/read/28570407/a-modified-external-fixator-system-in-treatment-of-mandibular-condylar-fractures
#11
Piero Cascone, Fabrizio Spallaccia, Paolo Arangio, Valentino Vellone, Matteo Gualtieri
The purpose of this study is to evaluate patient's outcomes after condylar fractures treated with the modified external fixation system from 2008 to 2012.A group of 58 patients with unilateral and bilateral fractures of mandibular condyle was admitted in the authors' study.The final sample included a total of 44 patients, 24 males (54.6%) and 20 females (45.4%).The remaining 14 (24%) patients were excluded because they did not fulfill all the criteria requested.After 12 months from surgery, the functional-clinical evaluation of mouth's maximum opening and mostly extent of lateral excursion and of protrusion showed the following results: 8% of the sample showed a maximum mouth opening <30 mm, 72% of the sample showed a maximum mouth opening between 30 and 40 mm, 20% of the sample showed a maximum mouth opening >40 mm lateral excursion (contralateral to fracture) and protrusion was respectively of 9...
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28565845/significance-of-new-blood-vessels-in-the-pathogenesis-of-temporomandibular-joint-osteoarthritis
#12
Jianlin Liu, Juan Dai, Yansong Wang, Siyu Lai, Suwen Wang
We studied the significance of new blood vessels in the pathogenesis of temporomandibular joint osteoarthritis (TMJOA). Fifteen 8-week-old female Sprague-Dawley rats were selected to establish TMJOA models of gradually induced occlusal disorders. Five rats were sacrificed at 4, 8 and 16 weeks, and histological exam was conducted along with micro-computed tomography observation on the condyle specimen. The distribution and number of new blood vessels breaking were observed through the tidemark through CD34 immunofluorescence staining...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28557358/evidence-for-central-sensitization-in-patients-with-temporomandibular-disorders-a-systematic-review-and-meta-analysis-of-observational-studies
#13
REVIEW
Roy La Touche, Alba Paris-Alemany, Amanda Hidalgo-Pérez, Ibai López-de-Uralde-Villanueva, Santiago Angulo-Diaz-Parreño, Daniel Muñoz-García
Temporomandibular disorder (TMD) is a very wide term which includes a variety of clinical issues related to the masticatory muscles, the temporomandibular joint (TMJ), and their associated structures (1) . For TMD patients the main concern is pain, and it is the most common reason for medical consultation; but pain makes also a great challenge for clinicians (2) . In fact, dysfunction of the central nervous system when processing nociceptive input has been stated as a factor involved in the onset and maintenance of pain in patients with chronic TMD (3) This article is protected by copyright...
May 29, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28553764/somatosensory-tinnitus-current-evidence-and-future-perspectives
#14
Massimo Ralli, Antonio Greco, Rosaria Turchetta, Giancarlo Altissimi, Marco de Vincentiis, Giancarlo Cianfrone
In some individuals, tinnitus can be modulated by specific maneuvers of the temporomandibular joint, head and neck, eyes, and limbs. Neuroplasticity seems to play a central role in this capacity for modulation, suggesting that abnormal interactions between the sensory modalities, sensorimotor systems, and neurocognitive and neuroemotional networks may contribute to the development of somatosensory tinnitus. Current evidence supports a link between somatic disorders and higher modulation of tinnitus, especially in patients with a normal hearing threshold...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28552281/diagnosis-of-disk-displacement-using-real-time-mri-clinical-report-of-two-patients
#15
Sebastian Krohn, Jens Frahm, Klaus-Dietmar Merboldt, Torsten Wassmann, Arun A Joseph, Ralf Bürgers
The clinical application of real-time magnetic resonance imaging (MRI) for the diagnosis of temporomandibular joint disk displacement (DD) with and without reduction is presented. In 2 patients with presumed DD, real-time MRI at 15 frames per second was performed during the natural opening and closing of the mouth. In one patient unilateral DD with reduction and in the other patient bilateral DD without reduction were observed. In contrast with conventional static MRI, real-time MRI moving images of temporomandibular joint DD offer comprehensive information about the dynamics of all involved structures, which in turn promises more reliable diagnoses...
May 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28548559/the-yucatan-minipig-tmj-disc-structure-function-relationships-support-its-suitability-for-human-comparative-studies
#16
Natalia Vapniarsky, Ashkan Aryaei, Boaz Arzi, Jerry C Hu, David C Hatcher, Kyriacos A Athanasiou
Frequent involvement of the disc in temporomandibular joint (TMJ) disorders warrants attempts to tissue engineer TMJ disc replacements. Physiologically, a great degree of similarity is seen between humans and farm pigs (FPs), but the pig's rapid growth confers a significant challenge for in vivo experiments. Minipigs have a slower growth rate and are smaller than FPs, but minipig TMJ discs have yet to be fully characterized. The objective of this study was to determine the suitability of the minipig for TMJ studies by extensive structural and functional characterization...
May 26, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28530471/structure-function-relationships-of-temporomandibular-retrodiscal-tissue
#17
M C Coombs, J M Petersen, G J Wright, S H Lu, B J Damon, H Yao
It is estimated that 2% to 4% of the US population will seek treatment for temporomandibular joint (TMJ) symptoms, typically occurring with anterior disc displacement. The temporomandibular retrodiscal tissue (RDT) has been postulated to restrict pathologic disc displacement. To elucidate RDT function, understanding regional RDT biomechanics and ultrastructure is required. No prior biomechanical analysis has determined regional variations in RDT properties or associated biomechanical outcomes with regional variations in collagen and elastin organization...
June 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28508937/the-prevalence-of-oropharyngeal-dysphagia-in-adults-presenting-with-temporomandibular-disorders-associated-with-rheumatoid-arthritis-a-systematic-review-and-meta-analysis
#18
REVIEW
Órla Gilheaney, Lina Zgaga, Isolde Harpur, Greg Sheaf, Liss Kiefer, Sibylle Béchet, Margaret Walshe
Temporomandibular disorders (TMDs) are the most frequent non-dental orofacial pain disorders and may be associated with rheumatoid arthritis (RA), resulting in oropharyngeal dysphagia (OD). However, clinicians' understanding of involvement with OD caused by RA-related TMDs is limited and the methodological quality of research in this field has been criticised. Therefore, the aim of this study was to systematically review the prevalence of oral preparatory and oral stage signs and symptoms of OD in adults presenting with TMDs associated with RA...
May 16, 2017: Dysphagia
https://www.readbyqxmd.com/read/28492455/reevaluating-antidepressant-selection-in-patients-with-bruxism-and-temporomandibular-joint-disorder
#19
Royce Rajan, Ye-Ming Sun
Temporomandibular joint disorder (TMD) is a broad pain disorder that refers to several conditions affecting the temporomandibular joint of the jaw and the muscles of mastication. As with most pain disorders, a high prevalence of depression and anxiety is associated with TMD. Research has shown that selective serotonin reuptake inhibitors (SSRIs), the first-line drug therapy for major depressive disorder, may not be suitable for TMD patients because SSRIs can induce teeth-grinding, otherwise known as bruxism...
May 2017: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/28487216/patient-specific-factors-predicting-outcome-of-temporomandibular-joint-arthroscopy-a-6-year-retrospective-study
#20
Mattias Ulmner, Carina Kruger-Weiner, Bodil Lund
PURPOSE: Although indications for the surgical treatment of internal derangement of the temporomandibular joint (TMJ) and the choice of treatment are debated, arthroscopy seems generally accepted as a minimally invasive alternative. The objective of this study was to investigate various factors and their possible correlation with an unsuccessful outcome of arthroscopic lysis and lavage in patients diagnosed with chronic closed lock, arthralgia with or without concomitant osteoarthritis of the TMJ, or systemic rheumatologic disease with involvement of the TMJ...
April 13, 2017: Journal of Oral and Maxillofacial Surgery
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