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Temporomandibular disease

G Bai, C Yang, Y Qiu, M Chen
Open surgery and arthroscopy for the treatment of synovial chondromatosis (SC) of the temporomandibular joint (TMJ) have their advantages and disadvantages. The aim of this study was to report the application and results of the combined use of these two methods in the treatment of SC and the indications for use. A total of 36 patients with magnetic resonance imaging (MRI) confirmation of SC, treated from 2010 to 2015, were included. Patients with tumours in the upper articular cavity and with the extended margin of the medial groove still in-between the medial crest of the condyle and infratemporal space on coronal MRI were selected to undergo open surgery with the assistance of arthroscopy to clear the loose bodies and affected synovium...
October 18, 2016: International Journal of Oral and Maxillofacial Surgery
Teun Wllem Floris Pappot, John J A Brouns, John Joosten
Synovial chondromatosis is a benign, usually monoarticular synovial disease characterized by osteocartilaginous loose body formation within the synovium and joint space. The authors present a patient with an unusually extensive form of this disease, and discuss clinical impact and patient care.
October 14, 2016: Journal of Craniofacial Surgery
Sandra Regina Torres, Carlos Henrique Silva Pedrazas, Marcos Paulo Veloso Correia, Mario Newton Leitão de Azevedo, Thaís Zamprogno, Arley Silva, Lucio Souza Gonçalves, José Angelo de Souza Papi
Oral complications of RA may include temporomandibular joint disorders, mucosa alterations and symptoms of dry mouth. The aim of this study was to evaluate the salivary gland function of subjects with rheumatoid arthritis (RA) comparing it to healthy controls. Subjects with other systemic conditions known to affect salivary functions were excluded. A questionnaire was applied for the evaluation of xerostomia. Resting and chewing-stimulated salivary flow rates (SFR) were obtained under standard conditions. There were 145 subjects included of the study (104 RA and 38 controls)...
October 10, 2016: Brazilian Oral Research
J Levorova, V Machon, A Guha, R Foltan
Septic arthritis of the temporomandibular joint (TMJ) is an unusual disease in adults. Inoculation of the pathogen may occur through traumatic or iatrogenic injuries, or more often by haematogenous spread from a distant focus. The cause of infection is unknown in most cases. A case of ostensibly mild septic arthritis of the TMJ with a good response to antibiotic therapy and lavage, but that finally led to fatal destruction of the joint structures in a 38-year-old female patient, is reported herein. The infection was caused by Raoultella ornithinolytica - a rare bacterial species in humans, which has not been reported previously in any patients with joint problems...
October 7, 2016: International Journal of Oral and Maxillofacial Surgery
Mildred C Embree, Mo Chen, Serhiy Pylawka, Danielle Kong, George M Iwaoka, Ivo Kalajzic, Hai Yao, Chancheng Shi, Dongming Sun, Tzong-Jen Sheu, David A Koslovsky, Alia Koch, Jeremy J Mao
Tissue regeneration using stem cell-based transplantation faces many hurdles. Alternatively, therapeutically exploiting endogenous stem cells to regenerate injured or diseased tissue may circumvent these challenges. Here we show resident fibrocartilage stem cells (FCSCs) can be used to regenerate and repair cartilage. We identify FCSCs residing within the superficial zone niche in the temporomandibular joint (TMJ) condyle. A single FCSC spontaneously generates a cartilage anlage, remodels into bone and organizes a haematopoietic microenvironment...
October 10, 2016: Nature Communications
M de-Pedro-Herráez, J Mesa-Jiménez, C Fernández-de-Las-Peñas, J-L de-la-Hoz-Aizpurua
Myogenic temporomandibular disorders (MTMD) frequently coexist with other clinical conditions in the same individual. In the last decades, several authors have analyzed these comorbidities looking for the origin of this overlapping. _Objetives: The aim of this study was to perform a comparative anaylisis between a group of patients with MTMD and a control group of dental patients without dysfunctional pathology to assess whether there are significant differences in the presence of systemic medical comorbidities between the two groups...
October 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
R Leonardi, R-E Perrotta, L-E Almeida, C Loreto, G Musumeci
To understand the molecular basis of temporomandibular joint (TMJ) pathologies, we aimed to investigate the lubricin levels in the TMJ synovial fluid (SF) of patients with mild to severe internal derangements (IDs)._Material and Methods: A total, 34 joints were the study group. Only patients, with a Wilkes stage of III, IV and V were included, in this sample. Control group consisted of SF from eight joints, from patients undergoing to orthognatic surgery. Concentrations of lubricin in the SF from both samples were measured using ELISA system...
October 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
Aline Lauria Pires Abrão, Caroline Menezes Santana, Ana Cristina Barreto Bezerra, Rivadávio Fernandes Batista de Amorim, Mariana Branco da Silva, Licia Maria Henrique da Mota, Denise Pinheiro Falcão
Orofacial manifestations occur frequently in rheumatic diseases and usually represent early signs of disease or of its activity that are still neglected in clinical practice. Among the autoimmune rheumatic diseases with potential for oral manifestations, rheumatoid arthritis (RA), inflammatory myopathies (IM), systemic sclerosis (SSc), systemic lupus erythematosus (SLE), relapsing polychondritis (RP) and Sjögren's syndrome (SS) can be cited. Signs and symptoms such as oral hyposalivation, xerostomia, temporomandibular joint disorders, lesions of the oral mucosa, periodontal disease, dysphagia, and dysphonia may be the first expression of these rheumatic diseases...
September 2016: Revista Brasileira de Reumatologia
Jeffry Shaefer, Antje M Barreveld, Paul Arnstein, Ronald J Kulich
Dental education is at the intersection of affordable health care, opioid-abuse crisis, and collaborative practice benefits. Students must engage in interprofessional education (IPE) for pain management. Graduates must recognize appropriate management of acute dental pain and understand the dentist's role in interprofessional treatment of chronic disease, including management of temporomandibular disorders and orofacial neuropathic pain, chronic pain in general, and the consideration of opioids. This article reviews accreditation standards, compares these standards with recommendations from the International Association for the Study of Pain and regulatory boards, and presents examples of enhanced pain education...
October 2016: Dental Clinics of North America
Sibylle Sabrautzki, Michael A Sandholzer, Bettina Lorenz-Depiereux, Robert Brommage, Gerhard Przemeck, Ingrid L Vargas Panesso, Alexandra Vernaleken, Lillian Garrett, Katharina Baron, Ali O Yildirim, Jan Rozman, Birgit Rathkolb, Christine Gau, Wolfgang Hans, Sabine M Hoelter, Susan Marschall, Claudia Stoeger, Lore Becker, Helmut Fuchs, Valerie Gailus-Durner, Martin Klingenspor, Thomas Klopstock, Christoph Lengger, Leuchtenberger Stefanie, Eckhard Wolf, Tim M Strom, Wolfgang Wurst, Martin Hrabě de Angelis
Animal models resembling human mutations are valuable tools to research the features of complex human craniofacial syndromes. This is the first report on a viable dominant mouse model carrying a non-synonymous sequence variation within the endothelin receptor type A gene (Ednra c.386A>T, p.Tyr129Phe) derived by an ENU mutagenesis program. The identical amino acid substitution was reported recently as disease causing in three individuals with the mandibulofacial dysostosis with alopecia (MFDA, OMIM 616367) syndrome...
September 26, 2016: Mammalian Genome: Official Journal of the International Mammalian Genome Society
Ying Kai Hu, Chi Yang, Qian Yang Xie
Treatment procedures for anterior disc displacement (ADD) of temporomandibular joint (TMJ) are far from reaching a consensus. The aim of the study was to evaluate disc status changes of anterior disc displacement with reduction (ADDWR) and without reduction (ADDWoR) comparatively, to get a better understanding of the disease progress without intervention. This longitudinal retrospective study included 217 joints in 165 patients, which were divided into ADDWR group and ADDWoR group based on magnetic resonance imaging (MRI) examination...
September 27, 2016: Scientific Reports
Shehryar N Khawaja, Heidi Crow, Ruba F G Mahmoud, Krishnan Kartha, Yoly Gonzalez
PURPOSE: The literature on joint effusion (JE) and its association with clinical and radiologic variables in patients with temporomandibular disorders (TMDs) is inconsistent and is characterized by multiple methodologic limitations. The primary aim of this investigation was to evaluate the association between magnetic resonance imaging (MRI) identified JE and temporomandibular joint (TMJ) arthralgia. The secondary aim of this investigation was to determine the association between JE and other clinical and MRI-identified soft tissue characteristics...
August 29, 2016: Journal of Oral and Maxillofacial Surgery
Hadeel Al-Shwaikh, Ilga Urtane, Pertti Pirttiniemi, Paula Pesonen, Zane Krisjane, Iveta Jankovska, Zane Davidsone, Valda Stanevica
INTRODUCTION: Patients with juvenile idiopathic arthritis (JIA) have a high risk of temporomandibular joint (TMJ) involvement. Lesions in the TMJ appear early in the course of this disease. Evaluating the structure of the TMJ in JIA patients using cone beam computed tomography (CBCT) provides an understanding of the typical radiologic features of morphological change in TMJs of JIA patients. This study aims to report these features as seen in CBCT and thus comparing them with the features observed in a control group within the same age group and in females and males...
2016: Stomatologija
K Kudoh, T Kudoh, K Tsuru, Y Miyamoto
A case of tophaceous pseudogout (i.e., calcium pyrophosphate dihydrate (CPPD) crystal deposition disease) in the temporomandibular joint (TMJ), extending to the base of the skull, is reported. A 38-year-old man was referred to the hospital with mild pain in the right chin and tip of the tongue. Panoramic radiography showed a large calcified mass around the right TMJ. Computed tomography imaging revealed a large, granular, calcified mass surrounding the right condylar head and extending to the base of the skull...
September 15, 2016: International Journal of Oral and Maxillofacial Surgery
F Massilla Mani, S Satha Sivasubramanian
BACKGROUND: This study aimed to determine the various bony changes in osteoarthritis (OA) of elderly patients who are suffering from temporomandibular joint dysfunction (TMD) and to find if all the changes manifesting in generalized OA were presented in temporomandibular joint (TMJ). METHODS: Thirty TMJs of fifteen elderly patients who were diagnosed with TMD were selected for the study. Patient with TMD were subjected to computerized tomographic (CT) imaging, and the various bony changes in the TMJ were recorded...
June 2016: Biomedical Journal
Wenna Liang, Xihai Li, Houhuang Chen, Xiang Shao, Xuejuan Lin, Jianying Shen, Shanshan Ding, Jie Kang, Candong Li
The temporomandibular joint (TMJ), a unique synovial joint whose development differs from that of other synovial joints, develops from two distinct mesenchymal condensations that grow toward each other and ossify through different mechanisms. The short stature homeobox 2 (Shox2) gene serves an important role in TMJ development and previous studies have demonstrated that Shox2SHOX KI/KI mice display a TMJ defective phenotype, congenital dysplasia and premature eroding of the articular disc, which is clinically defined as a TMJ disorder...
October 2016: Molecular Medicine Reports
Sung-Won Yang, Jin-Yong Cho, Hyeon-Min Kim
Septic arthritis of the temporomandibular joint (TMJ) is a rare disease. The most common symptoms of this disease are acute malocclusion, limited mouth opening, swelling, and tenderness of affected TMJ. These symptoms are often confused with internal derangement of the articular disc, rheumatoid arthritis, retrodiscitis, or osteoarthritis. Therefore, differential diagnosis by image examination is required. Usually, antimicrobial treatment and surgical drainage by needle aspiration, arthroscopy, or arthrotomy are effective treatment approaches...
August 2016: Journal of the Korean Association of Oral and Maxillofacial Surgeons
Jose A Lopez-Escamez, Thanos Bibas, Rilana F F Cima, Paul Van de Heyning, Marlies Knipper, Birgit Mazurek, Agnieszka J Szczepek, Christopher R Cederroth
Subjective tinnitus is the perception of sound in the absence of external or bodily-generated sounds. Chronic tinnitus is a highly prevalent condition affecting over 70 million people in Europe. A wide variety of comorbidities, including hearing loss, psychiatric disorders, neurodegenerative disorders, and temporomandibular joint (TMJ) dysfunction, have been suggested to contribute to the onset or progression of tinnitus; however, the precise molecular mechanisms of tinnitus are not well understood and the contribution of genetic and epigenetic factors remains unknown...
2016: Frontiers in Neuroscience
I Belda, M A Ayuso, X Sala-Blanch, M Luis, R Bergé
BACKGROUND: In 2003 a simple test to detect difficult intubation (DI) in patients underwent laryngeal microsurgery was described. The present study was conducted to validate the test. METHODS: Patients with laryngeal disease scheduled for laryngeal microsurgery were included. The variables evaluated were eleven parameters: Mallampati Score ≥III, thyromental distance <6.5cm, mouth opening <40mm, limitation of the temporomandibular joint, pathological dentition, arched paladet, maxillary deficiency, neck mobility <90°, body mass index, symptoms of laryngeal dysfunction, and tumour of supraglottic region...
September 1, 2016: Revista Española de Anestesiología y Reanimación
J Ferri, G Raoul, J Potier, R Nicot
The mandibular condyle is a special structure. Its embryology and physiology provide to the TMJ a particular behavior that explains the occurrence of specific diseases. Condyle hyperplasia is one of these disorders. It can be explained by a dysregulation of the prechondroblast cell layer within the cartilage cap providing an increase in volume first of the condyle, then of the ramus and finally of the entire affected hemiface. Mandible deformation affects the basal bone, leading to dento-alveolar deformations related to compensation attempts...
September 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
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