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TMJ disorders

Maria Carolina Ferreira, Isabela Porto de Toledo, Kamile Leonardi Dutra, Fabiane Miron Stefani, André Luís Porporatti, Carlos Flores-Mir, Graziela De Luca Canto
Temporomandibular disorder (TMD) is an umbrella condition presenting several signs and symptoms including pain in the temporomandibular joint (TMJ) and masticatory muscles, articular noises, earache, headache, irregular or restricted jaw function, chewing difficulty, and limited mouth opening. Such TMD impairment may cause disorders during the chewing process. Therefore, the purpose of this systematic review was to assess chewing dysfunctions measured by sEMG, and their association with TMD. A combination and variation of the descriptors "temporomandibular joint disorders", "masticatory dysfunctions", and electromyography were used to perform the searches across databases...
June 16, 2018: Journal of Oral Rehabilitation
Paolo Cariati, Blas Garcia Medina, Pablo Galvez, Almudena Cabello Serrano, Miguel Garcia Martin, Guillermo Valencia Moya
Temporomandibular joint (TMJ) is one of the most used joint of the body. Moreover, it is common knowledge that TMJ may show degenerative changes 10 years earlier than other joints. Recently, the use of arthroscopic surgery is revolutionizing the classic management of TMJ pathologies. In fact, the minimal invasiveness of this procedure allows faster results and fewer complications than other procedures. In this article, we present our arthroscopic technique. In this line, we would like to emphasize that we used this approach in different temporomandibular disorders such as anchored disk syndrome, habitual dislocation of TMJ, and internal derangement...
June 2018: Craniomaxillofacial Trauma & Reconstruction
Shakil Ahmed Nagori, Sanjay Kumar Roy Chowdhury, Himanshu Thukral, Anson Jose, Ajoy Roychoudhury
OBJECTIVE: The aim of this systematic review was to investigate the current evidence in order to assess the efficacy of single puncture arthrocentesis versus standard double needle arthrocentesis in the management of temporomandibular joint(TMJ) disorders. METHODS: An electronic search of the PubMed, Scopus, Cochrane CENTRAL and Google scholar databases was performed to identify English studies published up until October 2017. Eligible studies were selected based on inclusion criteria and included randomized controlled trials(RCTs) comparing single puncture arthrocentesis and standard double needle arthrocentesis for the management TMJ disorders...
June 11, 2018: Journal of Oral Rehabilitation
Leila Galiay, François Simon, Raphaël Lévy, Vincent Couloigner, Jean Donadieu, Julie Toubiana, Thomas Blauwblomme, Roman Hossein Khonsari
PURPOSE: Gorham-Stout disease (GS) is a rare and little understood bone disease that leads to the progressive replacement of the affected bone by fibrous tissues. The mandible is the most commonly affected craniofacial bone, but there is no report to date of temporomandibular joint (TMJ) lesions in this condition. We aimed to characterize the involvement of the TMJ in this uncommon bone disorder. MATERIAL AND METHODS: We retrospectively included all patients managed for craniofacial forms of GS in our pediatric institution over a period of 12 years...
May 9, 2018: Journal of Cranio-maxillo-facial Surgery
Matthias C Wurm, Tessa K Behrends, Wolfgang Wüst, Marco Wiesmüller, Andre Wilkerling, Friedrich W Neukam, Tilo Schlittenbauer
INTRODUCTION: Magnetic resonance imaging has been established as the gold standard for assessment of the temporomandibular joint. Apart from an excellent assessment of the soft tissues it has the advantage not to expose the patient to ionizing radiation. There is a lack of literature concerning the correlation between pain intensity and radiological findings of the temporomandibular joint. Moreover there is the question of whether a progressive degeneration of the cartilaginous components is accompanied by an increasing degeneration of the osseous parts of the mandibular joint and vice versa...
January 4, 2018: Journal of Cranio-maxillo-facial Surgery
Resi Pucci, Valentino Vellone, Valerio Ramieri, Piero Cascone, Carlo Della Rocca
Intra-Articular Temporo-Mandibular Disorders (TMD) are characterized by displacement of the disc that causes the condyles to slip back over the disc thus resulting in TMJ discal damage and erosion of the condyle's bone. The etiology of temporomandibular disorder (TMD) is multidimensional: biomechanical, neuromuscular, bio-psychosocial and biological factors may contribute to the disorder. The study involved 46 joints in 27 patients with a diagnosis of Intra-Articular Temporo-Mandibular Disorders (TMD) according to Axis I of Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) for Clinical and Research Applications and underwent surgery between 2011 and 2014...
June 5, 2018: Journal of Cranio-maxillo-facial Surgery
Jennifer L Robinson, Paola Soria, Manshan Xu, Mark Vrana, Jeffrey Luchetti, Helen H Lu, Jing Chen, Sunil Wadhwa
Temporomandibular joint degenerative disease (TMJ-DD) is a chronic form of TMJ disorder that specifically afflicts people over the age of 40 and targets women at a higher rate than men. Prevalence of TMJ-DD in this population suggests that estrogen loss plays a role in the disease pathogenesis. Thus, the goal of the present study was to determine the role of estrogen on chondrogenesis and homeostasis via estrogen receptor alpha (ERα) during growth and maturity of the joint. Young and mature WT and ERαKO female mice were subjected to ovariectomy procedures and then given placebo or estradiol treatment...
June 4, 2018: Scientific Reports
Wenbin Yang, Wei Liu, Cheng Miao, Haibin Sun, Longjiang Li, Chunjie Li
PURPOSE: Temporomandibular joint (TMJ) disorders occur in many people and osteoarthritis (OA) is a severe form of this disease. Glucosamine has been used to treat OA of the large joints for many years and has been proved effective. A double-blinded randomized controlled trial was designed to investigate the effectiveness and safety of oral glucosamine hydrochloride pills combined with hyaluronate sodium intra-articular injection in TMJ OA. PATIENTS AND METHODS: One hundred forty-four participants with TMJ OA were randomized to 4 hyaluronate sodium injections and oral glucosamine hydrochloride (1...
June 2, 2018: Journal of Oral and Maxillofacial Surgery
Kashef K AlShaban, Zainab Gul Abdul Waheed
The objective of this study was to determine the prevalence of temporomandibular joint (TMJ) disorders (if any) among the patients attending the dental clinic (for routine dental treatment) of Ajman University of Science and Technology (AUST)-Fujairah campus, UAE, and its possible causes. A sample of 100 adult patients attending the dental clinic of AUST for different types of dental treatment were collected; the routine examination of the TMJ and possible disorders such as clicking, crepitation, limitation or deviation during mouth opening, or tenderness reveals that 41% of the sample experience varying degrees of disorders in the TMJ...
2018: International Journal of Dentistry
Carolina Marpaung, Frank Lobbezoo, Maurits K A van Selms
Aims: To assess the prevalence rates of pain-related temporomandibular disorders (TMDs) and temporomandibular joint (TMJ) sounds in a large group of Dutch adolescents, aged between 12 and 18 years and to determine if the same biological, psychological, and social risk indicators are related to both TMD pain and TMJ sounds. Methods: In this cross-sectional questionnaire survey, 4,235 questionnaires were analyzed, with an about equal gender distribution. Results: The overall prevalence of pain-related TMDs was 21...
2018: Pain Research & Management: the Journal of the Canadian Pain Society
Sandhya Jain, Neetu Sharma, Pallav Patni, Deshraj Jain
Aim: The aim is to evaluate the association between midline discrepancies and tempromandibular disorders (TMDs). Methods: Literature search was performed by using various search engines to include human studies in English. TMDs include a wide variety of signs and symptoms such as pain in and around TMJ, jaw muscles, clicking and locking of jaws, pain during mandibular movement and restricted mandibular movements. The etiology is multifactorial, including one or several of the following factors like severe malocclusions (increased overjet, retroclination of incisors, cross bite, CR CO discrepancies etc), stress and psychological factors, structural abnormalities as possible etiology...
2018: Clujul Medical (1957)
Ulyana D Telishevska, Oksana D Telishevska
OBJECTIVE: Introduction:The problem of temporomandibular disorders (TMD) is relevant in today's world and is considered one of the most common pathologies causing nonodontogenic pain syndromes of maxillofacial region. The morbidity of temporomandibular disorders is 27 to 76% among patients who seek dental care. There is now a significant number of classifications of TMD, however, clinically convenient, morphologically and pathogenetically substantiated classification of temporomandibular joint's (TMJ) conditions has not yet been developed...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Pavlo I Yatsenko, Oleg V Rybalov, Oleg I Yatsenko, Vadym M Novikov, Dmytro M Kоrol, Dmytro D Kindiy, Victor D Kindiy
OBJECTIVE: Introduction: The main causes of dysfunctional conditions of the temporomandibular joints (TMJ), are occlusal, neurogenic, orthodontic disorders. The muscular component of TMJ is determines the dynamic anatomical and functional state of the mandible Therefore, in the diagnosis of dysfunctions and understanding of their pathogenesis belongs to the electromyographic method of investigation. The aim of the work was a comparative assessment of the bioelectrical activity of the actual chewing and temporal muscles in patients with musculo-articular compressiondislocation dysfunction of the TMJ of various severity...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Gustavo Monasterio, Francisca Castillo, Leticia Rojas, Emilio A Cafferata, Carla Alvarez, Paola Carvajal, Cristián Núñez, Guillermo Flores, Walter Díaz, Rolando Vernal
It is well accepted that the presence of cytokines belonging to the Th1/Th17/Th22 axis of immuno-inflammatory response in the joint environment, such as IL-1β, IL-17, and IL-22, respectively, are associated with pathogenesis of several synovial joint degenerative disorders. During temporomandibular joint osteoarthritis (TMJ-OA), IL-1β and IL-17 have been implicated in the inflammation and resorption of sub-chondral bone; however, the role of Th22-response in the TMJ-OA pathophysiology has not been established...
May 15, 2018: Journal of Oral Rehabilitation
Se Eun Kim, Boaz Arzi, Tanya C Garcia, Frank J M Verstraete
Bite force is generated by the interaction of the masticatory muscles, the mandibles and maxillae, the temporomandibular joints (TMJs), and the teeth. Several methods to measure bite forces in dogs and cats have been described. Direct in vivo measurement of a bite in dogs has been done; however, bite forces were highly variable due to animal volition, situation, or specific measurement technique. Bite force has been measured in vivo from anesthetized dogs by electrical stimulation of jaw adductor muscles, but this may not be reflective of volitional bite force during natural activity...
2018: Frontiers in Veterinary Science
Ludovic Sicard, Diane O'Hana, Roman Hossein Khonsari, Abdelkhaled Kaddour Brahim
PURPOSE: Bilateral nontraumatic temporomandibular joint (TMJ) dislocation is an acute situation that can lead to a chronic and recurrent condition. Few pediatric cases have been reported in the literature and no standardized care protocol has been established to date. MATERIALS AND METHODS: Two cases of chronic bilateral dislocation of the TMJ in young children are reported and their medical management is discussed based on data from the literature. RESULTS: A 26 months-old child and a 19-months old child were included...
April 11, 2018: Journal of Oral and Maxillofacial Surgery
S Döring, B Arzi, J N Winer, P H Kass, F J M Verstraete
Skulls from 392 grey wolves (Canis lupus) were examined macroscopically according to predefined criteria. Two hundred and seven skulls were included in this study, comprised of 124 young adults (59.9%) and 83 adults (40.1%); of these, 65 (31.4%) specimens were from male wolves and 104 (50.3%) were from females, with 38 (18.4%) of unknown sex. Out of 8,694 possible teeth, 8,339 (95.9%) were present for evaluation. Fifty-five teeth (15.5%) were absent congenitally, 30 (8.5%) were lost during life and 270 (76...
April 2018: Journal of Comparative Pathology
Erdogan Utku Ureturk, Aysegul Apaydin
PURPOSE: Sagittal split ramus osteotomy (SSRO) is a standard procedure in which miniplates and screws are used to achieve stabilization. Although the titanium plate and screw fixation system is stable, resorbable fixation systems are also used. There is currently no consensus on the ideal fixation technique for SSRO procedures and its effect on the condyle. We aimed to evaluate the stress distribution on temporomandibular joints (TMJ). METHODS: A 3D finite element model of a hemimandible was designed and 5 mm advancement was simulated on a computer model...
April 7, 2018: Journal of Cranio-maxillo-facial Surgery
Chalatip Chompunud Na Ayudhya, Eric J Granquist, Mel Mupparapu, Thomas P Sollecito, Eric T Stoopler
Temporomandibular disorder (TMD) is prevalent in special needs patients. Clinical examination of the temporomandibular joint (TMJ) complex and imaging in this patient population can be challenging due to patient disposition and cooperation. We report a case of a 29-year-old male with neurologic and behavioral special needs who required advanced maxillofacial imaging for a suspected TMD under general anesthesia, which has not been reported previously. This article intends to serve as a resource for health care providers who may encounter similar clinical situations...
May 2018: Special Care in Dentistry
Moema Ferreira Dos Reis, Lucas Rodrigues Pinheiro, Maria das Graças Rodrigues Pinheiro, Haroldo Amorim de Almeida, Patrícia do Socorro Queiroz Feio, Sâmia Cordovil de Almeida, Isabel Cristina Neves de Souza, Roberto Giugliani, Ida Vanessa Doederlein Schwartz, Rosely Maria Dos Santos Cavaleiro, João de Jesus Viana Pinheiro, Luiz Carlos Santana da Silva
OBJECTIVE: Mucopolysaccharidosis (MPS) VI is a rare disorder caused by an autosomal recessive mutation in the short arm of chromosome 5 (5q12-13) leading to an N-acetylgalactosamine-sulfatase lysosomal enzyme deficiency and numerous systemic clinical changes. The oral and maxillofacial complex may exhibit tooth eruption anomalies, macroglossia, gingival hypertrophy, mouth breathing, increased lower facial height, open bite, retrognathia, and progressive TMJ arthrosis. This report describes craniofacial growth changes in two MPS VI patients, sisters and daughters of outbred parents, who were longitudinally monitored from 11 to 15 years of age...
May 3, 2018: Special Care in Dentistry
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