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Temporomandibular disorders

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https://www.readbyqxmd.com/read/29785258/intra-articular-biomaterials-assisted-delivery-to-treat-temporomandibular-joint-disorders
#1
Khandmaa Dashnyam, Jung-Hwan Lee, Nandin Mandakhbayar, Guang-Zhen Jin, Hae-Hyoung Lee, Hae-Won Kim
The temporomandibular joint disorder, also known as myofascial pain syndrome, is considered one of the prevalent chronic pain diseases caused by muscle inflammation and cartilage degradation in head and neck, and thus influences even biopsychosocial conditions in a lifetime. There are several current treatment methodologies relieving inflammation and preventing degradation of the joint complex. One of the promising non-surgical treatment methods is an intra-articular injection of drugs such as corticosteroids, analgesics, and anti-depressants...
January 2018: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/29785064/identification-of-relevant-subtypes-via-preweighted-sparse-clustering
#2
Sheila Gaynor, Eric Bair
Cluster analysis methods are used to identify homogeneous subgroups in a data set. In biomedical applications, one frequently applies cluster analysis in order to identify biologically interesting subgroups. In particular, one may wish to identify subgroups that are associated with a particular outcome of interest. Conventional clustering methods generally do not identify such subgroups, particularly when there are a large number of high-variance features in the data set. Conventional methods may identify clusters associated with these high-variance features when one wishes to obtain secondary clusters that are more interesting biologically or more strongly associated with a particular outcome of interest...
December 2017: Computational Statistics & Data Analysis
https://www.readbyqxmd.com/read/29783259/classifications-of-temporomandibular-disorders-and-patients-examination-protocols-comparative-analysis-by-the-convenience-of-their-daily-use-in-clinical-practice
#3
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
https://www.readbyqxmd.com/read/29783243/-electromyographic-characteristics-of-temporal-and-masticatory-muscles-in-patients-with-compression-dislocation-dysfunction-of-temporomandibular-joints-of-different-severity
#4
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
https://www.readbyqxmd.com/read/29782040/two-repetitive-bouts-of-intense-eccentric-concentric-jaw-exercises-reduce-experimental-muscle-pain-in-healthy-subjects
#5
Rosaria Bucci, Frank Lobbezoo, Ambrosina Michelotti, Michail Koutris
BACKGROUND: High-intensity eccentric-concentric contractions of the jaw-closing muscles induce muscle soreness, fatigue, and functional impairment of the jaw, resembling the symptoms of myalgia, according to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD). However, it is claimed that repetition of similar exercises can minimize these detrimental effects. OBJECTIVE: This study aimed to evaluate the response of jaw closing muscles following two series of intense eccentric-concentric exercises of the masticatory muscles in healthy subjects...
May 21, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29782036/differential-diagnosis-of-jaw-pain-using-informatics-technology
#6
Yoon Nam, Hong-Gee Kim, Hong-Seop Kho
This study aimed to deduce evidence-based clinical clues that differentiate temporomandibular disorders (TMD)-mimicking conditions from genuine TMD by text mining using natural language processing (NLP) and recursive partitioning. We compared the medical records of 29 patients diagnosed with TMD-mimicking conditions and 290 patients diagnosed with genuine TMD. Chief complaints and medical histories were preprocessed via NLP to compare the frequency of word usage. In addition, recursive partitioning was used to deduce the optimal size of mouth opening, which could differentiate TMD-mimicking from genuine TMD groups...
May 21, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29781511/prevalence-and-risk-indicators-of-pain-related-temporomandibular-disorders-among-indonesian-children-and-adolescents
#7
Carolina Marpaung, Maurits K A van Selms, Frank Lobbezoo
OBJECTIVES: To assess the prevalence of pain-related temporomandibular disorders (TMDs) among Indonesian children and adolescents, and to investigate which risk indicators are associated with it. METHODS: In this cross-sectional study, 1,800 questionnaires were distributed among pupils of schools in the greater Jakarta area. This was done for 2 samples: children with ages ranging from 7 to 12 years (parental report) and adolescents aged 13-18 years (self-report)...
May 21, 2018: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/29779277/-improved-temporary-and-treatment-partial-denture-in-the-rehabilitation-of-patients-with-temporomandibular-joint-disorder-syndrome
#8
Hao Zhang, Si-Wen Li, Jia-Huan Fu, Shi-Shi Li, Yan-Hong Wang, Xiu-di Shi, Lu Bai, Hong-Mei Ma
OBJECTIVE: This study aims to study the effect of the improved partial denture treatment in the rehabilitation of patients with temporomandibular joint disorders (TMD). METHODS: Twenty middle-aged and old patients suffering from osteoarthrosis were treated with the improved partial denture treatment. These patients were followed up during the partial denture treatment and after the rehabilitation. Both the clinical symptoms and Fricton's craniomandibular index were used to evaluate the clinical effects...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29778439/does-orthognathic-surgery-improve-myofacial-pain-in-individuals-with-skeletal-class-iii-one-year-follow-up
#9
Aline Monise Sebastiani, Paola Fernanda Cotait de Lucas Corso, Daniel Bonotto, Juliana Feltrin de Souza, Delson João da Costa, Rafaela Scariot, Nelson Luis Barbosa Rebellato
OBJECTIVE: The objective of the study was to evaluate the effect of orthognathic surgery on temporomandibular disorder (TMD) in patients with skeletal class III malocclusion. STUDY DESIGN: Forty-seven patients undergoing surgery were evaluated by a trained examiner using Axis I of the Research Diagnostic Criteria/TMD index, consecutively, at 3 different periods: 1 week before operation (T0), 6 months after operation (T1), and 1 year after operation (T2). Bivariate analyses were performed to compare the evaluation periods (P < ...
April 16, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29777250/prevalence-of-temporomandibular-disorders-in-patients-with-hashimoto-thyroiditis
#10
Alina Grozdinska, Elisabeth Hofmann, Matthias Schmid, Ursula Hirschfelder
OBJECTIVES: Autoimmune thyroid disease (AITD), also known as Hashimoto thyroiditis (HT), is a degenerative inflammatory disease with high prevalence among women and has been associated with fibromyalgia and widespread chronic pain. The goal was to determine the frequency of temporomandibular disorders (TMD) in patients with HT. METHODS: In all, 119 women (age 19-60 years) were divided into a study (52 women diagnosed with HT) and a control (67 healthy individuals, of which 15 were excluded) group...
May 17, 2018: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29771181/association-of-temporomandibular-disorder-and-high-frequency-of-suicide-ideation-in-korean-adolescents-a-cross-sectional-survey
#11
Hyun A Heo, Suhyun Park, Sung Woon Pyo
BACKGROUND: This study investigated the association between psychological factors and temporomandibular disorder (TMD) in a representative sample using data from the Korean nationwide survey. METHODS: The study included 1337 adolescents. Participants provided demographic, socio-economic and behavioural information, and responses to questionnaires assessing their mental health status including perceived stress, depressed mood and suicidal ideation in the presence of TMD...
May 17, 2018: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29767650/immediate-effect-of-continuous-ultrasound-vs-sham-ultrasound-for-bilateral-masseter-myalgia-a-double-blinded-trial
#12
Haseeb Hussain, Heidi Crow, Yoly Gonzalez, W D McCall
AIMS: To investigate the local and segmental effects of therapeutic ultrasound at a dose of 0.4 w/cm2 with 100% duty cycle for 5 minutes compared to the effect of sham ultrasound on painful masticatory muscles. METHODS: A total of 20 adult female subjects with bilateral masseter myalgia diagnosed according to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) were included. Each subject was randomized to either an active ultrasound group or a sham ultrasound group...
May 15, 2018: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29767649/experimental-psychological-stress-on-quantitative-sensory-testing-response-in-patients-with-temporomandibular-disorders
#13
Dyna Mara Araújo Oliveira Ferreira, Yuri Martins Costa, Henrique Müller de Quevedo, Leonardo Rigoldi Bonjardim, Paulo César Rodrigues Conti
AIMS: To assess the modulatory effects of experimental psychological stress on the somatosensory evaluation of myofascial temporomandibular disorder (TMD) patients. METHODS: A total of 20 women with myofascial TMD and 20 age-matched healthy women were assessed by means of a standardized battery of quantitative sensory testing. Cold detection threshold (CDT), warm detection threshold (WDT), cold pain threshold (CPT), heat pain threshold (HPT), mechanical pain threshold (MPT), wind-up ratio (WUR), and pressure pain threshold (PPT) were performed on the facial skin overlying the masseter muscle...
May 15, 2018: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/29761933/th1-th17-th22-immune-response-and-their-association-with-joint-pain-imagenological-bone-loss-rankl-expression-and-osteoclast-activity-in-temporomandibular-joint-osteoarthritis-a-preliminary-report
#14
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
https://www.readbyqxmd.com/read/29755988/bite-forces-and-their-measurement-in-dogs-and-cats
#15
REVIEW
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
https://www.readbyqxmd.com/read/29750100/orofacial-clinical-features-in-arnold-chiari-type-i-malformation-a-case-series
#16
José-Alcides de Arruda, Eugênia Figueiredo, João-Luiz Monteiro, Livia-Mirelle Barbosa, Cleomar Rodrigues, Belmiro Vasconcelos
Background: Arnold Chiari malformation (ACM) is characterized by an anatomical defect at the base of the skull where the cerebellum and the spinal cord herniate through the foramen magnum into the cervical spinal canal. Among the subtypes of the condition, ACM type I (ACM-I) is particularly outstanding because of the severity of symptoms. This study aimed to analyze the orofacial clinical manifestations of patients with ACM-I, and discuss their demographic distribution and clinical features in light of the literature...
April 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29747796/limited-evidence-suggests-no-benefit-of-temporomandibular-joint-lavage-over-conservative-treatment-for-temporomandibular-joint-pain-and-dysfunction
#17
Huda Fakhry, Iman Abd-Elwahab Radi
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Temporomandibular lavage versus non-surgical treatments for temporomandibular disorders: A systematic review and meta-analysis. Bouchard C, Goulet JP, El-Ouazzani M, Fournier-Turgeon A. J Oral Maxillofac Surg 2017;75:1352-62. SOURCE OF FUNDING: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors TYPE OF STUDY DESIGN: Systematic review and meta-analysis...
June 2018: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29745983/muscle-hardness-and-masticatory-myofascial-pain-assessment-and-clinical-relevance
#18
REVIEW
Yuri M Costa, Yoshiko Ariji, Dyna Mara A O Ferreira, Leonardo R Bonjardim, Paulo César R Conti, Eiichiro Ariji, Peter Svensson
BACKGROUND: The impression of increased muscle hardness in painful muscles is commonly reported in the clinical practice but may be difficult to assess. Therefore, the aim of this review is to present and discuss relevant aspects regarding the assessment of muscle hardness and its association with myofascial temporomandibular disorder (TMD) pain. METHODS: A non-systematic search for studies of muscle hardness assessment in patients with pain-related TMDs was carried out in PubMed, Cochrane Library, Embase and Google Scholar...
May 10, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29734882/assessment-of-association-between-muscular-diagnosis-in-temporomandibular-disorders-with-mandibular-kinematics
#19
Miguel Maulén-Yáñez, Walther Meeder-Bella, Patricio Javier Videla-Jiménez, Wilfredo Alejandro González-Arriagada
Objective To study the association between mandibular kinematics and muscular diagnoses in temporomandibular disorders (TMD). Method Retrospective, descriptive clinical study based on an analysis of 370 clinical records of muscle diagnoses in TMD. Statistical analysis was performed with the SPSS program. Results Five different muscle diagnoses were considered. Myospasm and centrally mediated myalgia were discarded from the statistical analysis because of their low incidences. The diagnoses included in the analysis were protective co-contraction, myofascial pain, and myalgia...
May 7, 2018: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29733804/bilateral-dislocation-of-the-temporomandibular-joint-in-children
#20
REVIEW
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: ▪▪▪...
April 11, 2018: Journal of Oral and Maxillofacial Surgery
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