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Temporomandibular disorders

Rafael Poveda-Roda, Pilar Moreno, José Bagán, María Margaix
AIMS: To determine whether subjects with temporomandibular disorders (TMD) manifesting as chronic myofascial pain (MFP) involving the masseter muscle present with significantly greater masseter muscle width, as evidenced by ultrasound, compared to individuals without MFP. METHODS: A case-control study was carried out. A total of 31 subjects presenting with MFP of the masticatory muscles involving the masseter muscle and 35 controls with TMD but no diagnosis of MFP, matched by age and sex, were included...
March 21, 2018: Journal of Oral & Facial Pain and Headache
Nedeljka Ivković, Maja Racic, Radoslavka Lecic, Djordje Bozovic, Milan Kulic
AIMS: To evaluate whether serum estrogen level is associated with chronic pain, masticatory dysfunction, and depressive symptoms and/or somatization in women with temporomandibular disorders (TMD) and different menstrual cycle status. METHODS: A total of 64 women were allocated into one of three groups: one composed of women with normal menstrual cycles (Group 1), one composed of pregnant women (Group 2), and one composed of women in surgical menopause (Group 3)...
March 21, 2018: Journal of Oral & Facial Pain and Headache
Patrícia S Cê, Bernardo Bo Barreiro, Rodrigo Bm Silva, Rogério B Oliveira, Claiton Heitz, Maria M Campos
AIMS: To evaluate salivary levels of the proinflammatory cytokine interleukin-1β (IL-1β) in patients with temporomandibular disorders (TMD), fibromyalgia, or both conditions in comparison to healthy individuals. METHODS: A total of 69 females (18 to 84 years of age) were assigned to one of four groups: (A) healthy controls (n = 27); (B) TMD only (n = 18); (C) fibromyalgia only (n = 15); and (D) fibromyalgia plus TMD (n = 9). Clinical data and salivary IL-1β levels were evaluated...
March 21, 2018: Journal of Oral & Facial Pain and Headache
Massimo Galli, Andrea Papini, Barbara Buffoli, Marco Ferrari, Mauro Labanca, Rita Rezzani, Mario Migliario, Alberta Greco Lucchina, Luigi F Rodella
The cranial portion of the vertebral segment together with the atlanto-occipital joint represents a very complex area. Since this system could be influenced by different atlas and mandibular position, the aim of this work was to assess atlanto-axial and mandibular rotation. Scanora 3-dimensional cone bean computed tomography images from 205 patients without signs or symptoms of temporomandibular disorder were evaluated. Using a digitalized images analyzer, the axial rotations of atlas and mandible rotation were calculated, measuring the angle with respect to the frontal plane...
March 20, 2018: Journal of Craniofacial Surgery
Jesse Lowe, Rohan Bansal, Stephen Badylak, Bryan Brown, William Chung, Alejandro Almarza
A subset of temporomandibular joint (TMJ) disorders are attributed to joint degeneration. The pig has been considered the preferred in-vivo model for the evaluation of potential therapies for TMJ disorders, and practical considerations such as cost and husbandry issues have favored the use of young, skeletally immature animals. However, the effect of growth on the biochemical and biomechanical properties of the TMJ disc and articulating cartilage has not been examined. The present study investigates the effect of age on the biochemical and biomechanical properties of healthy porcine TMJs at 3, 6, and 9 months of age...
March 19, 2018: Journal of Biomechanical Engineering
Vito Crincoli, Mariasevera Di Comite, Mariateresa Guerrieri, Rossana Patricia Rotolo, Luisa Limongelli, Angela Tempesta, Florenzo Iannone, Angela Rinaldi, Giovanni Lapadula, Gianfranco Favia
AIMS : Sjӧgren Syndrome is a disorder involving oral tissues, with xerostomia, dysgeusia, dysphagia, tooth decay, gingivitis, angular cheilitis and glossitis. Temporomandibular disorders are a generic term referred to clinical conditions involving the jaw muscles and temporomandibular joint. The aim of this study was to investigate the prevalence of oral manifestations and temporomandibular disorders (TMD) in Sjӧgren Syndrome (SS) patients compared with healthy people. METHODS : The study group included 72 SS patients (2 men, 70 women) diagnosed according to the American-European Consensus Group (AECG) Criteria...
2018: International Journal of Medical Sciences
Sebastian Krohn, Phillipp Brockmeyer, Dietmar Kubein-Meesenburg, Christian Kirschneck, Ralf Buergers
BACKGROUND: Elongated styloid processes may display clinical signs that can easily be confused with symptoms associated with temporomandibular disorders (TMD). Thus, the present study aimed to investigate alterations of the styloid process in patients with TMD. METHODS: Temporomandibular joint (TMJ) X-ray images of 192 patients with RDC/TMD diagnoses were examined retrospectively. On each side, the styloid process and mandibular ramus were evaluated regarding length as well as sagittal angulation...
March 17, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
Dinesh Rokaya, Kanokwan Suttagul, Shraddha Joshi, Bishwa Prakash Bhattarai, Pravin Kumar Shah, Shantanu Dixit
Background: Temporomandibular disorder (TMD) represents a subgroup of painful orofacial disorders involving pain in the temporomandibular joint (TMJ) region, fatigue of the cranio-cervico-facial muscles (especially masticatory muscles), limitation of mandible movement, and the presence of a clicking sound in the TMJ. TMD is associated with multiple factors and systemic diseases. This study aimed to assess the prevalence of TMD in Nepalese subjects for the first time. Methods: A total of 500 medical and dental students (127 men and 373 women) participated in this study from May 2016 to September 2016...
February 2018: Journal of Dental Anesthesia and Pain Medicine
Domenico Ciavarella, Michele Tepedino, Michele Laurenziello, Laura Guida, Giuseppe Troiano, Graziano Montaruli, Gaetano Illuzzi, Claudio Chimenti, Lorenzo Lo Muzio
INTRODUCTION: Temporomandibular disease (TMD) etiology is multifactorial and is related to many perpetuating, predisposing, and initiating factors. The daytime parafunctions may have an important role in TMD pathogenesis. The most frequent parafunctions analyzed were the static parafunction (ie, clenching) and the dynamic parafunction (ie, grinding). In the present paper, the authors evaluated the swallowing (an oral function/parafunction) with the surface electromyography in patients with TMD...
March 16, 2018: Journal of Craniofacial Surgery
Irena Mladenovic, Jelena Krunic, Gordana Supic, Ruzica Kozomara, Dejan Bokonjic, Nikola Stojanovic, Zvonko Magic
INTRODUCTION: The purpose of this study was to evaluate the associations of variability in pulp sensitivity with sex, psychosocial variables, the gene that encodes for the enzyme catechol-O-methyltransferase (COMT), and chronic painful conditions (temporomandibular disorders [TMDs]). METHODS: The study was composed of 97 subjects (68 women and 29 men aged 20-44 years). The electric (electric pulp tester) and cold (refrigerant spray) stimuli were performed on mandibular lateral incisors...
March 14, 2018: Journal of Endodontics
Órla Gilheaney, Leo Fa Stassen, Margaret Walshe
PURPOSE: Temporomandibular disorders (TMDs) are caused by changes in the structure and/or function of the temporomandibular joint, masticatory muscles, and/or osseous components. TMDs can result in oral stage dysphagia (OD) with potential effects on function and patient well-being. Little is known about the prevalence, nature, and management of TMD-related OD. The aims of the present study were to estimate the prevalence and nature of OD in adult TMD patients and to identify the common management techniques used to manage the signs and symptoms of TMD-related OD...
February 20, 2018: Journal of Oral and Maxillofacial Surgery
Maria Paço, Paula Chaves, Francisco Pinho, Carolina Lemos, Rui Costa, José A Duarte, Teresa Pinho
INTRODUCTION: Temporomandibular disorders (TMDs) present several risks and different contributing factors with consequently diverse treatment approaches. It is important to recognize what patients' characteristics may benefit from orthodontics, from physiotherapy, from other treatment modalities or even from a combined approach. CASES PRESENTATION: We present three cases of patients with common TMDs signs and/or symptoms and different treatment approaches and outcomes, and our aim is to understand what might explain the different outcomes observed and also provide a rationale about the skeletal, muscular, facial and occlusal characteristics that may be indicative of a particular intervention benefit...
March 11, 2018: International Orthodontics
Guan Yun Frances Wang, Xiang Qun Shi, Wenjia Wu, Maria Gueorguieva, Mu Yang, Ji Zhang
Temporomandibular disorder (TMD) is a set of heterogeneous musculoskeletal conditions involving the temporomandibular joint (TMJ) and/or the masticatory muscles. Up to 33% of the population has had at least one symptom of TMD with 5-10% of them requiring treatment. Common symptoms include limited jaw movement, joint sound, and pain in the orofacial area. Once TMD becomes chronic, it can be debilitating with comorbidities that greatly reduce one's overall quality of life. However, the underlying mechanism of TMD is unclear due to the multicausative nature of the disease...
March 12, 2018: Pain
Easter Joury, Eduardo Bernabe, Jennifer E Gallagher, Wagner Marcenes
Little is known about the burden and impact of orofacial pain in deprived areas, and whether it mediates the relationship between socio-economic position (SEP) and impacts on daily life. We analysed data from a representative sample of 2,168 adults, aged 16-65 years, from the East London Oral Health Inequality study. Participants completed a validated questionnaire on demographics, SEP (area deprivation), orofacial pain (by anatomical site) in the past month and impacts related to oral conditions on daily life...
March 12, 2018: Pain
Luz V Mendoza-García, Irene A Espinosa de Santillana, Victor Hernández Vidal
Objective To analyze the association between mandibular vertical asymmetry and the presence of TMD in adult patients. Methods This case-control study recruited patients from the orthodontic clinic at FEBUAP. Patients were classified on the basis of diagnostic criteria for temporomandibular disorders (DC/TMD). Panoramic radiographs were measured to determine mandibular vertical asymmetry indices according to criteria described by Kjellberg and Habets. Both methods (DC/TMD and index criteria) were standardized a priori...
March 13, 2018: Cranio: the Journal of Craniomandibular Practice
Audrey Moreau, Mourad-Azzeddine Benassarou, Lotfi Benslama, Patrick Goudot, Thomas Schumann
INTRODUCTION: Temporomandibular joint (TMJ) disorders are a common reason for consultation. Failure of medical treatments sometimes leads to the need for one of many surgical alternatives. Our purpose was to evaluate the results of anterior pedicle temporalis muscle flap interposition in the treatment of TMJ disorders. MATERIAL AND METHODS: For this prospective study, we selected 18 patients who underwent TMJ surgery involving the interposition of a temporalis muscle flap according to a standardized technique, between January 1, 2009 and August 31, 2014...
March 9, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
Tao Ye, Dongliang Sun, Tong Mu, Yi Chu, Hui Miao, Mian Zhang, Hongxu Yang, Qian Liu, Lei Lu, Xianghui Xing, Shibin Yu
The striking predilection of temporomandibular disorders (TMD) in women, especially during gonad-intact puberty or reproductive years, indicates that oestrogen plays an important role in the progression of TMD, but the underlying mechanism remains unclear. In this study, unilateral anterior crossbite (UAC) was used to create temporomandibular joint osteoarthritis (TMJ OA) models in rats, while 17β-estradiol (E2 ) injections were applied to mimic patients with high-physiological levels of oestrogen. Micro-CT scanning, histological staining and real-time PCR assays were preformed to observe the degenerative changes in the mandibular condylar cartilage and subchondral bone...
March 9, 2018: Bone
Xinqi Huang, Xiao Cen, Jun Liu
BACKGROUND: The aim of this study was to assess the influence of protraction facemask (PFM) on temporomandibular joint (TMJ) of skeletal Class III malocclusion patients. METHOD: Literature searches were carried out electronically in five English and three Chinese databases (Cochrane Database of Systematic Reviews, the Cochrane Central Register of Controlled Trials, PubMed, Embase, MEDLINE (via Ovid), Chinese Biomedical Literature Database, China National Knowledge Infrastructure, and VIP Database)...
March 12, 2018: BMC Oral Health
Amélie Levesque, Thibault Riant, Stéphane Ploteau, Jérôme Rigaud, Jean-Jacques Labat
Background: The evaluation of chronic pelvic and perineal pain (CPP) is often complex. The patient's description of the pain often appears to be disproportionate to the limited findings on physical examination and/or complementary investigations. The concept of central sensitization may allow better understanding and management of patients with CPP. Objective: The aim of this study was to elaborate a clinical evaluation tool designed to simply identify sensitization in pelvic pain...
March 7, 2018: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
Anna Sojka, Marcin Żarowski, Barbara Steinborn, Wiesław Hedzelek, Beata Wiśniewska-Spychała, Barbara Dorocka-Bobkowska
BACKGROUND: Headache is a common complaint in all age groups and is a frequent cause of medical consultations and hospitalization. OBJECTIVES: The aim of this study was to evaluate the prevalence of bite and non-bite parafunctions as well as the signs and symptoms of temporomandibular disorder (TMD) in adolescents presenting with primary headaches. MATERIAL AND METHODS: Parents of adolescents presented with headaches to the Department of Developmental Neurology within a 12-month period were asked to complete a questionnaire developed by the authors of this study...
February 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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