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Temporomandibular disease

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https://www.readbyqxmd.com/read/28443382/diagnostic-imaging-modalities-and-surgical-anatomy-of-the-temporomandibular-joint-in-rabbits
#1
Michal Kyllar, Barbora Putnová, Vladimír Jekl, Ladislav Stehlík, Marcela Buchtová, Jan Štembírek
The temporomandibular joint (TMJ) is a condylar synovial joint that, together with the masticatory muscles, controls mandibular movement during mastication. The rabbit is often used as a model species for studying the mechanisms of TMJ diseases, and in regenerative research. However, there are significant differences between rabbit and human TMJs that should be taken into account before using this model for experimental research. Here, we use several analytical approaches (radiography, computed tomography and magnetic resonance imaging) to enable a detailed description and analysis of the rabbit TMJ morphology...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28437514/a-retrospective-study-on-possible-predictive-factors-for-long-term-temporomandibular-joint-degeneration-and-impaired-mobility-in-juvenile-arthritis-patients
#2
Stanimira I Kalaykova, Adriaan T Klitsie, Corine M Visscher, Machiel Naeije, Frank Lobbezoo
AIMS: To determine possible predictive factors for long-term temporomandibular joint (TMJ) degeneration and dysfunction in juvenile idiopathic arthritis (JIA) patients. METHODS: A total of 94 patients (77% female) who had received a JIA diagnosis in an outpatient rheumatology clinic from 1993 to 1994 at a mean ± standard deviation age of 8.3 ± 4.53 years were included in the study. At inclusion, TMJ status regarding condylar degeneration was assessed orthopantomographically and given a Rohlin and Petersson score of 0 or ≥ 1...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28437513/prevalence-of-temporomandibular-disorders-in-the-northern-finland-birth-cohort-1966
#3
Päivi Jussila, Heikki Kiviahde, Ritva Näpänkangas, Jari Päkkilä, Paula Pesonen, Kirsi Sipilä, Pertti Pirttiniemi, Aune Raustia
AIMS: To investigate the prevalence of temporomandibular disorders (TMD) in the 46-year-old cohort subjects from the Northern Finland Birth Cohort 1966 (NFBC 1966). METHODS: Altogether, 1,962 subjects (1,050 women, 912 men) participated in a clinical medical and dental examination and responded to questionnaires in 2012 to 2013. The stomatognathic examination was performed according to a modified protocol of the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD)...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28437035/the-association-between-oral-examination-findings-and-the-computed-tomographic-appearance-of-the-equine-temporomandibular-joint
#4
J L Carmalt, H Simhofer, A Bienert-Zeit, J E Rawlinson, C L Waldner
BACKGROUND: The temporomandibular joint (TMJ) forms the junction between the maxilla and mandible. Movement of the jaw and resulting masticatory forces have been extensively studied in the horse; however, less is known about the inter-relationship between this joint and oral and dental pathology. OBJECTIVES: To determine the association between specific oral and dental pathologies and anatomical variations of the TMJ imaged with computed tomography (CT) in horses with asymptomatic TMJs...
April 24, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28420942/temporomandibular-disorders-and-headache-a-retrospective-analysis-of-1198-patients
#5
Carlo Di Paolo, Anna D'Urso, Piero Papi, Francesco Di Sabato, Daniele Rosella, Giorgio Pompa, Antonella Polimeni
Aim. Headache is one of the most common diseases associated with Temporomandibular Disorders (TMDs). The aim of this study was to evaluate, retrospectively, if headache influences TMD's symptoms. Material and Methods. A total sample of 1198 consecutive TMD patients was selected. After a neurological examination, a diagnosis of headache, according to the latest edition of the International Classification of Headache Disorders, was performed in 625 subjects. Patients were divided into two groups based on presence/absence of headache: Group with Headache (GwH) and Group without Headache (GwoH)...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28419987/extracellular-matrix-mediates-bmp-2-in-a-model-of-temporomandibular-joint-osteoarthritis
#6
Maya Shirakura, Vardit Kram, Jennifer Robinson, Sheena Sikka, Tina M Kilts, Sunil Wadhwa, Marian F Young
Temporomandibular joint (TMJ) osteoarthritis (OA) is a complex disease that affects both cartilage and subchondral bone. It is accompanied by loss of extracellular matrix (ECM) and may be controlled by bone morphogenetic protein-2 (BMP-2). We analyzed the effect of BMP-2 in both cartilage and subchondral bone in a TMJ-OA animal model that is deficient in biglycan (Bgn) and fibromodulin (Fmod) (Bgn-/-Fmod-/-). Whole mandibles were dissected from 3-week-old wild-type (WT) and Bgn-/-Fmod-/- mice and incubated with and without 250 µg/mL BMP-2 for 2 days using an explant culture system...
April 19, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28408955/masticatory-muscle-tendon-aponeurosis-hyperplasia-a-new-clinical-entity-of-limited-mouth-opening
#7
REVIEW
Tsuyoshi Sato, Tetsuya Yoda
Limited mouth opening is a common health problem that interferes with eating, makes examination of the oral cavity difficult, and may increase the mortality rate during emergency intubation. Here we introduce a disease designated as masticatory muscle tendon-aponeurosis hyperplasia, which is a new clinical condition of limited mouth opening. Most oral surgeons and dentists are still unaware of this disease condition, thus increasing the risk of incorrect diagnosis as some other disease, such as temporomandibular joint disorder...
May 2016: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28384462/can-a-10-minute-questionnaire-identify-significant-psychological-issues-in-patients-with-temporomandibular-joint-disease
#8
Shang-Lun Lin, Shang-Liang Wu, Hsien-Te Huang, For-Wey Lung, Tzong-Cherng Chi, Jung-Wu Yang
PURPOSES: For patients with disc displacement disorders (DDDs), psychiatric illness increases the risk of worsening postsurgical pain, postoperative delirium, postoperative incomplete recovery, and worse postoperative life quality. This study provides a fast and practical protocol to evaluate psychological conditions of patients with DDDs of the temporomandibular joint (TMJ) in clinical care. MATERIALS AND METHODS: The populations under investigation in this cross-sectional study included patients with DDD who received treatment from October 2012 through June 2016...
March 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28383601/temporomandibular-joint-involvement-in-rheumatoid-arthritis-patients-association-between-clinical-and-tomographic-data
#9
Patrícia Cf Cordeiro, Josemar P Guimaraes, Viviane A de Souza, Isabela M Dias, Jesca Nn Silva, Karina L Devito, Leticia L Bonato
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic inflammation and synovial hyperplasia, which usually affects multiple joints. The temporomandibular joint (TMJ) becomes susceptible to the development of changes resulting from RA. The aim of this study was to evaluate the presence of TMD and degenerative bone changes in TMJ in patients diagnosed with RA (rheumatoid arthritis). The Research Diagnostic Criteria for Temporomandibular Disorders (RDC/ TMD) questionnaire was used for clinical evaluation of the TMJ and for TMD classification of 49 patients of both sexes and all ages...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28380089/relationship-between-articular-eminence-inclination-and-alterations-of-the-mandibular-condyle-a-cbct-study
#10
Saione Cruz Sa, Saulo Leonardo Sousa Melo, Daniela Pita de Melo, Deborah Queiroz Freitas, Paulo Sérgio Flores Campos
This study aimed at verifying the correlation among angulation of the articular eminence (AE), shape of the condyle and its degenerative bone diseases (DBDs), according to age and sex, through Cone Beam Computed Tomography (CBCT). Five hundred and twenty-eight temporomandibular joints (TMJ) were evaluated. The condyles were classified as: flat, convex, angled and rounded, and the AE angulation was measured. The DBDs evaluated were osteophytes, flattening, erosion, subcortical cysts and spinal sclerosis. There was no difference in the mean angulations in relation to age group (p>0...
March 30, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28341434/trends-in-maxillofacial-imaging
#11
REVIEW
R Boeddinghaus, A Whyte
Maxillofacial imaging encompasses radiology of the teeth and jaws, including the temporomandibular joints. Modalities used include intra-oral radiographs, panoramic tomography, cephalograms, cone-beam computed tomography, computed tomography, magnetic resonance imaging, ultrasound, and radionuclide imaging. Common indications for imaging are impacted and supernumerary teeth, dental implants, inflammatory dental disease, and fibro-osseous lesions, cysts, and masses of the jaws. Osteonecrosis of the jaws may follow radiotherapy or the use of bisphosphonates and other drugs...
March 21, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28341275/current-thinking-about-the-management-of-dysfunction-of-the-temporomandibular-joint-a-review
#12
REVIEW
S Rajapakse, N Ahmed, A J Sidebottom
Increasingly the management of TMJ pathology is becoming a subspecialist interest. The number of patients having TMJ joint replacement had steadily increased over the last decade and there is now NICE guidance on this matter. Whilst the evidence of the management of TMJ disease is limited and there are few randomised controlled trials, the incidence of TMJ pathology has not changed and there is a requirement for guidance on the management. Whilst previously patients with TMJ pain were managed surgically, this is changing, and the vast bulk of initial management is non-surgical/medical...
March 21, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28337986/simultaneous-treatment-of-temporomandibular-joint-ankylosis-with-severe-mandibular-deficiency-by-standard-tmj-prosthesis
#13
YiHui Hu, LuZhu Zhang, DongMei He, Chi Yang, MinJie Chen, ShanYong Zhang, Hui Li, Edward Ellis Iii
Temporomandibular joint (TMJ) ankylosis is a refractory disease that is difficult to predictably treat. This study evaluated the prognosis of using standard alloplastic TMJ prostheses for the treatment of TMJ ankylosis in Chinese patients with severe mandibular deficiency. Patients treated from 2013 to 2015 were reviewed. The computer-aided design and manufacture (CAD/CAM) technique was used to guide bony mass removal and locate the TMJ prosthesis (Biomet, USA). Eleven patients were included in this study. All prostheses were successfully installed and stabilized intraoperatively...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325585/gender-differences-in-demographic-and-clinical-correlates-among-veterans-with-musculoskeletal-disorders
#14
Diana M Higgins, Brenda T Fenton, Mary A Driscoll, Alicia A Heapy, Robert D Kerns, Matthew J Bair, Constance Carroll, Penny L Brennan, Diana J Burgess, John D Piette, Sally G Haskell, Cynthia A Brandt, Joseph L Goulet
BACKGROUND: Studies suggest that women may be at greater risk for developing chronic pain and pain-related disability. METHODS: Because musculoskeletal disorders (MSD) are the most frequently endorsed painful conditions among veterans, we sought to characterize gender differences in sociodemographic and clinical correlates among veterans upon entry into Veterans Health Administration's Musculoskeletal Disorders Cohort (n = 4,128,008). RESULTS: Women were more likely to be younger, Black, unmarried, and veterans of recent conflicts...
March 18, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/28318085/inflammatory-double-hit-model-of-temporomandibular-joint-disorder-with-elevated-ccl2-cxcl9-cxcl10-rantes-and-behavioural-hypersensitivity-in-tnfr1-r2-mice
#15
S L McIlwrath, R Nesemeier, F Ma, H S Oz, L Zhang, K N Westlund
BACKGROUND: Patients with temporomandibular joint disorders (TMD), reactive arthritis and rheumatoid arthritis often have combined etiology of hereditary and microenvironmental factors contributing to joint pain. Multiple clinical and animal studies indicate 'double-hit' inflammatory insults can cause chronic inflammation. The first inflammatory insult primes the immune system and subsequent insults elicit amplified responses. The present 'double hit' study produced a chronic orofacial pain model in mice with genetic deletion of both TNFα receptors (TNFR1/R2-/-), investigating the main nociceptive signalling pathways in comparisons to wild type mice...
March 20, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28298998/condylar-intramedullary-intraosseous-lipoma-contribution-of-a-new-case-and-review-of-the-literature
#16
Alba Sanjuan, Alicia Dean, Blas Garcia, Francisco Alamillos, Elisa Roldan, Antonio Blanco
BACKGROUND: Lipoma is the most common benign tumour of the human body, being intraosseous involvement very rare. Just 1 to 4% of all cases of lipoma are located in the oral cavity, only 0.1% being intraosseous. The jaw is its most uncommon bone location. Etiology of intraosseous lipoma (IOL) is unknown, although several theories have been proposed. Usually asymptomatic, the symptoms, when present, will depend on its location and size. Its origin may be intraosseous or juxtacortical. A biopsy is essential for diagnosis, and definitive treatment involves resection or curettage of the lesion...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28288478/benign-temporomandibular-joint-lesions-presenting-as-masses-in-the-external-auditory-canal
#17
Ryan A Williams, Robert K Jackler, C Eduardo Corrales
OBJECTIVE: Describe benign lesions arising from the temporomandibular joint (TMJ) that presented as masses in the external auditory canal (EAC). STUDY DESIGN: Retrospective case series of two academic medical centers. PATIENTS: Six patients with lesions emanating from the TMJ that presented as EAC masses. Lesions included pigmented villonodular synovitis (PVNS), nodular fasciitis, foramen of Huschke herniation with salivary fistula, fibroepithelial polyp, superficial angiomyxoma, and giant cell tumor (GCT)...
April 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28279052/-the-relationship-between-temporomandibular-joint-disc-displacement-and-condylar-resorption-and-the-comprehensive-treatment-protocol
#18
C Yang
Temporomandibular joint (TMJ) anterior disc displacement (ADD) is one of the most common TMJ disease. However, the treatment of ADD have been far from reaching a consensus. In this article, we focused on the following three aspects: ①The relationship between ADD and condylar resorption. ②Whether disc reposition can stop condylar resorption or even make condylar regeneration. ③Proposing a more reasonable treatment pattern, that is TMJ-jaw-occlusion comprehensive treatment protocol.
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28279050/-adaptive-remodeling-of-temporomandibular-joint-following-anterior-disc-displacement-and-treatment-decision-making
#19
Z Y Gu
Anterior disc displacement (ADD) of temporomandibular joint (TMJ) is one of the common oral diseases. The TMJ can be remodeled after disc displacement. The author's recent studies show that remodeled bilaminar zone is similar to the disc in composition and functions. The remodeled condyle can match the disc-like bilaminar zone. The new disc-condylar relationship can, to a certain extent, restore the function of the TMJ. Based on these studies, the author believes that the adaptive remodeling in TMJ has important guiding significance for clinical treatment and discusses the views of the treatment decision for various stages of temporomandibular disorders...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28266618/confocal-imaging-of-mouse-mandibular-condyle-cartilage
#20
Y He, M Zhang, A Y Huang, Y Cui, D Bai, M L Warman
Mice are commonly used to study the temporomandibular joint (TMJ) and to model human TMJ disease. However, evaluating TMJ pathology in mice using standard histologic methods is time consuming, labor intensive, and dependent upon investigators' expertise at consistently orienting and sectioning across tiny specimens. We describe a method that uses confocal microscopy to rapidly and reliably assess indicators of mandibular condyle cartilage pathology in mice. We demonstrate the utility of this method for detecting abnormalities in chondrocyte distribution in mice lacking lubricin (Prg4), the major boundary lubricant of articular cartilage...
March 7, 2017: Scientific Reports
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