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Temporomandibular

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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/28442179/ipsilateral-sagittal-split-ramus-osteotomy-to-facilitate-reconstruction-of-the-temporomandibular-joint-after-resection-of-condylar-osteochondroma
#2
X Luo, X Ren, T Li, Y Li, B Ye, S Zhu
We report the outcomes of 12 patients with osteochondroma of the mandibular condyle who were treated by condylectomy with sagittal split ramus osteotomy (SSRO) between January 2011 and October 2015. Variables assessed before and after operation were imaging, appearance, maximum mouth opening, maximum mandibular protrusion, lateral excursion, and function of the temporomandibular joint (TMJ). Patients were followed up for a mean (range) of 21 (13 - 30) months. Outcomes were satisfactory with no complications or recurrence...
April 22, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28440673/mechanisms-of-craniofacial-pain
#3
Juliana Geremias Chichorro, Frank Porreca, Barry Sessle
Aim To provide an overview of mechanisms underlying craniofacial pain; to highlight peripheral and central adaptations that may promote chronification of pain in craniofacial pain states such as migraine and temporomandibular disorders (TMD). Background Pain is a common symptom associated with disorders involving craniofacial tissues including the teeth and their supporting structures, the temporomandibular joint and the muscles of the head. Most acute painful craniofacial conditions are easily recognized and well managed, but others, especially those that are chronic (e...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28439172/management-of-chronic-recurrent-dislocation-of-temporomandibular-joint-using-u-shaped-graft-a-new-restrictive-technique
#4
Kiran Gadre, Divya Singh, Pushkar Gadre, Rajshekhar Halli
BACKGROUND: Numerous procedures have been described for the treatment of chronic recurrent dislocation of the temporo-mandibular joint (TMJ), either in the form of enhancement or restriction of the condylar movement, with their obvious merits and demerits. MATERIALS AND METHOD: We present a new technique of using U shaped iliac bone graft to restrict the condylar movement and its advantages over the conventional techniques.We have used this technique successfully in 8 cases where Dautrey's procedure had failed with follow up period of 2 years...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439165/single-injection-technique-prolotherapy-for-hypermobility-disorders-of-tmj-using-25%C3%A2-dextrose-a-clinical-study
#5
S K Majumdar, Shreya Krishna, Aritra Chatterjee, Rajib Chakraborty, Nazrealam Ansari
INTRODUCTION: Hypermobility disorders of the Temporomandibular joint (TMJ) can be treated by both conservative and surgical approaches. Conservative approaches should be considered as first line treatment for such disorders. Prolotherapy with 25 % dextrose being injected into the posterior pericapsular tissues is one such treatment modality with favorable outcomes. AIM: To study the efficacy of single injection of 25 % dextrose in pericapsular tissues in the management of hypermobility joint disorders of TMJ as first line treatment...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28437516/a-rare-case-of-misdiagnosed-silent-lung-cancer-with-solitary-metastasis-to-the-temporomandibular-joint-condyle
#6
Luca Guarda-Nardini, Edoardo Stellini, Adolfo Di Fiore, Daniele Manfredini
This article describes the case history of a 59-year-old female patient who sought advice for temporomandibular joint (TMJ) pain and sounds but who was actually diagnosed with a primary lung cancer with metastasis to the TMJ. The patient had a history of TMJ pain and deflection in jaw movement that progressively worsened over a few months and did not improve with the usual standard of care treatment provided by an orofacial pain practitioner. Magnetic resonance and computed tomography (CT) prescribed at a tertiary clinic showed an osteolytic bone mass within the right TMJ condyle...
April 2017: Journal of Oral & Facial Pain and Headache
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
#7
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
#8
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/28437512/dentist-practice-patterns-and-therapeutic-confidence-in-the-treatment-of-pain-related-to-temporomandibular-disorders-in-a-dental-practice-based-research-network
#9
Naoki Kakudate, Yoko Yokoyama, Futoshi Sumida, Yuki Matsumoto, Valeria V Gordan, Gregg H Gilbert, Ana M Velly, Eric L Schiffman
AIMS: To quantify the practice patterns of Japanese dentists in the management of pain related to temporomandibular disorders (TMD) and to identify specific characteristics that are significantly associated with the decision to perform occlusal adjustment for TMD-related pain. METHODS: A cross-sectional study was conducted consisting of a questionnaire survey of dentists affiliated with the Dental Practice-Based Research Network Japan (JDPBRN) (n = 148). Participants were asked how they diagnosed and treated TMD-related pain...
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
#10
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/28436308/the-different-effects-of-intraoral-vertical-ramus-osteotomy-ivro-and-sagittal-split-ramus-osteotomy-ssro-on-mandibular-border-movement
#11
Hiroki Komori, Noriaki Kawanabe, Tomoki Kataoka, Yui Kato, Atsuro Fujisawa, Takashi Yamashiro, Hiroshi Kamioka
OBJECTIVES: This study investigated the different effects of intraoral vertical ramus osteotomy (IVRO) and sagittal split ramus osteotomy (SSRO) on mandibular border movement. METHODS: The participants included 22 patients receiving IVRO and 22 patients receiving SSRO who were treated at Okayama University Hospital. Their mandibular border movement was evaluated in three dimensions with 6° of freedom using an optical recording system. RESULTS: A strong correlation between condylar and lower incisor movement was observed during maximum jaw protrusion and laterotrusion...
April 23, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28435374/spatial-analysis-of-mandibular-condyles-in-patients-with-temporomandibular-disorders-and-normal-controls-using-cone-beam-computed-tomography
#12
Natheer Hashim Al-Rawi, Asmaa Tahseen Uthman, Sahar M Sodeify
OBJECTIVES: The aim of the study is to investigate the condylar position and its relation to articular eminence and axial condylar angle in temporomandibular joint disorder (TMD) patients and in normal controls using cone beam computed tomography (CBCT). MATERIALS AND METHODS: CBCT temporomandibular joint (TMJ) images of 70 participants (38 males and 32 females, mean age 26.4 years) were analyzed. They were divided into control group (including 35 subjects) and study group (including 35 subjects)...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28434828/correlation-between-single-photon-emission-computed-tomography-and-histopathologic-findings-in-condylar-hyperplasia-of-the-temporomandibular-joint
#13
Rafael Martin-Granizo, José Ma Garcia-Rielo, Oscar De la Sen, Lourdes Maniegas, Alberto Berguer, Manuel De Pedro
PURPOSE: To analyse the correlation between the level of activity measured in the single photon emission computed tomography (SPECT) and the pathological findings in patients with condylar hyperplasia (CH). MATERIALS AND METHODS: All patients evaluated in our department between 2007 and 2014 with a diagnosis of condylar hyperplasia who had undergone SPECT, evidenced signs of activity, and had undergone surgery were included. We included 28 patients, of whom 20 were women and 8 men...
March 24, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28431484/who-5-well-being-index-as-screening-instrument-for-psychological-comorbidity-in-patients-with-temporomandibular-disorder
#14
Fadi Ismail, Karin Lange, Marit Gillig, Katarzyna Zinken, Lena Schwabe, Meike Stiesch, Michael Eisenburger
OBJECTIVES: The aim of the study was to compare the WHO-Five Well-Being Index (WHO-5) with the Oral Health Impact Profile-49 (OHIP-49) questionnaire as screening tools to detect psychological comorbidity in TMDs. METHODS: A TMD group (92 patients, 42.8 ± 17.1 yrs) and a control group (90 patients of the Department of Prosthetic Dentistry, 38.9 ± 10.1 yrs) completed the WHO-5 and the OHIP-49 questionnaire. RESULTS: The patients with TMD reported significantly greater OHIP-49 sum scores than controls (47...
April 21, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28420942/temporomandibular-disorders-and-headache-a-retrospective-analysis-of-1198-patients
#15
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/28420043/-alcohol-consumption-prevalence-in-civil-servants
#16
Josep Maria Molina Aragonés, Cristina Abadia Castelló
Temporomandibular dysfunction syndrome (TMDS) includes a number of clinical conditions involving the temporomandibular joint (TMJ), the muscles involved in mastication, or both. The symptoms of TMDS include decreased mobility, masticatory muscle pain, TMJ pain, functional alteration accompanied by articular noises, myofascial pain or deviation of the mouth opening. Work with visual display terminals (VDTs) has become widespread in the past several years and the conditions associated with this type of work have been associated with the appearance of certain musculoskeletal pathologies...
April 2017: Archivos de Prevención de Riesgos Laborales
https://www.readbyqxmd.com/read/28420009/temporal-summation-and-motor-function-modulation-during-repeated-jaw-movements-in-patients-with-temporomandibular-disorder-pain-and-healthy-controls
#17
Yuanxiu Zhang, Sheng Shao, Jinglu Zhang, Lin Wang, Kelun Wang, Peter Svensson
Temporal summation of nociceptive inputs may be an important pathophysiological mechanism in temporomandibular disorders (TMD) pain; however, it remains unknown how natural jaw function relates to underlying pain mechanisms. This study evaluated changes in pain and movement patterns during repeated jaw movements in patients with painful temporomandibular joints (TMJ) compared with healthy controls. Twenty patients with TMD with TMJ pain, and an anterior disk displacement without reduction and 20 age- and gender-matched healthy volunteers were included...
March 31, 2017: Pain
https://www.readbyqxmd.com/read/28419987/extracellular-matrix-mediates-bmp-2-in-a-model-of-temporomandibular-joint-osteoarthritis
#18
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/28419845/does-orthognathic-surgery-cause-or-cure-temporomandibular-disorders-a%C3%A2-systematic-review-and-meta-analysis
#19
REVIEW
Essam Ahmed Al-Moraissi, Larry M Wolford, Daniel Perez, Daniel M Laskin, Edward Ellis
PURPOSE: There is still controversy about whether orthognathic surgery negatively or positively affects temporomandibular disorders (TMDs). The purpose of this study was to determine whether orthognathic surgery has a beneficial or deleterious effect on pre-existing TMDs. MATERIALS AND METHODS: A systematic review and meta-analysis were conducted based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched 3 major databases to locate all pertinent articles published from 1980 to March 2016...
March 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28416346/bilateral-spontaneous-symptomatic-temporomandibular-joint-herniation-into-the-external-auditory-canal-a-case-report-and-literature-review
#20
Yong Won Lee, Yong Ho Park
Spontaneous temporomandibular joint (TMJ) herniation is the entity of protrusion of the retrodiscal contents of the TMJ into the external auditory canal (EAC) through a persistent Huschke's foramen. There have been a number of reports of spontaneous TMJ herniation, but there are no reports of bilateral symptomatic TMJ herniation. We report a case of a 70-year-old man who complained of a crunching sound in both ears during mastication. Examination showed bulging from the anterosuperior wall of the EAC on each side when the patient opened his mouth, which pushed the tympanic membrane medially...
April 14, 2017: Auris, Nasus, Larynx
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