19,139 results match your criteria Temporomandibular Disorders


Effect of occlusal splint on oxidative stress markers and psychological aspects of chronic temporomandibular pain: a randomized controlled trial.

Sci Rep 2020 Jul 3;10(1):10981. Epub 2020 Jul 3.

Department of Physiology, School of Dental Medicine, University of Zagreb, Zagreb, Croatia.

Temporomandibular disorders (TMD), when progress to a chronic state, might contribute to psychosocial or psychological distress. This study aimed to evaluate the effect of stabilization splint (SS) therapy on pain, pain-related disability and psychological traits of chronic TMD patients, as well as to assess selected oxidative stress (OS) biomarkers during 6-month treatment and associate them with the symptoms of anxiety and depression. Thirty-four participants were randomly assigned into two treatment groups [SS and placebo splint (PS)]. Read More

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http://dx.doi.org/10.1038/s41598-020-67383-xDOI Listing

Gender-Specific Differences of Dental Emergency Patients and the Use of Antibiotics: A 4-Year Retrospective Study.

Oral Health Prev Dent 2020 Apr 1;18(2):263-269. Epub 2020 Apr 1.

Purpose: To evaluate the clinical characteristics of dental emergency patients with special regard on gender-specific differences related to the utilisation and use of antibiotics.

Materials And Methods: A retrospective analysis of all patients who presented to the emergency service of a university hospital in from 2010 to 2013 was performed. Demographic data, diagnosis, conducted treatment and the prescription of antibiotics were recorded and further analysed. Read More

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http://dx.doi.org/10.3290/j.ohpd.a44037DOI Listing

MRI findings of working and non-working tmj during nilateral molar clenching on hard bolus.

J Biol Regul Homeost Agents 2020 May-Jun;34(3 Suppl. 1):1-8

Istituto Nazionale Migranti e Povertà (INMP) UOC di odontoiatria sociale e riabilitazione gnatologica.

The aim of this study is to evaluate with MRI the TMJs behavior during one-side clenching on a hard bolus. The sample consisted of 13 patients. an MRI of TMJ using a 1. Read More

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TMJ Arthroscopy with Hyaluronic Acid: A 12-month Randomized Clinical Trial.

Oral Dis 2020 Jul 1. Epub 2020 Jul 1.

Department of Oral and Maxillofacial Surgery, University Hospital of La Princesa, Calle de Diego de León, 62, 28006, Madrid, Spain.

Objectives: To determine the effects of hyaluronic acid (HA) as an adjunct to temporomandibular joint (TMJ) arthroscopy, relative to standard TMJ arthroscopy, in Wilkes stage-III and -IV patients.

Methods: A randomized clinical trial design was utilized (ClinicalTrials.gov NCT04110587). Read More

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http://dx.doi.org/10.1111/odi.13524DOI Listing

Increased Chemokine RANTES in Synovial Fluid and Its Role in Early-stage Degenerative Temporomandibular Joint Disease.

J Oral Rehabil 2020 Jul 1. Epub 2020 Jul 1.

Center for TMD & Orofacial Pain, Peking University School & Hospital of Stomatology, Beijing, China.

Background: Degenerative joint disease (DJD) of the temporomandibular joints (TMJs) in adolescents and young adults is closely associated with disc displacement without reduction (DDw/oR).

Objective: This study aimed to determine the pathogenesis of early-stage TMJ DJD induced by DDw/oR.

Methods: 31 female subjects aged 12 to 30 years were enrolled, comprising 12 patients with DDw/oR without DJD, 13 with DDw/oR and early-stage DJD, and 6 healthy volunteers. Read More

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http://dx.doi.org/10.1111/joor.13041DOI Listing

The Orofacial Pain Clinic Questionnaire (EDOF-HC) in the evaluation and diagnosis of orofacial pain.

Arq Neuropsiquiatr 2020 Jun;78(6):321-330

Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia, Clínica de Dor Orofacial, São Paulo SP, Brazil.

Background: Diagnostic tools are necessary for the anamnesis and examination of orofacial pain, in order to fulfill diagnostic criteria and to screen potential causes of pain.

Objective: To evaluate the Orofacial Pain Clinic Questionnaire (EDOF-HC) in the assessment and diagnosis of orofacial pain.

Methods: Overall, 142 patients were evaluated and classified according to the criteria of the International Headache Society and International Association for the Study of Pain. Read More

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http://dx.doi.org/10.1590/0004-282X20200003DOI Listing

Are temporomandibular joint disorders associated with facial asymmetry? a systematic review and meta-analysis.

Orthod Craniofac Res 2020 Jun 30. Epub 2020 Jun 30.

Department of Orthodontics and Pediatric Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

Objective: To assess scientific evidence of the association between temporomandibular joint (TMJ) disorders and facial asymmetry (FA).

Methods: A systematic review was performed in accordance with the PRISMA checklist. A search strategy was developed in electronic databases including MEDLINE, Scopus, Web of Science, Virtual Health Library and Cochrane Library until January 2020. Read More

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http://dx.doi.org/10.1111/ocr.12404DOI Listing

Experimental pain and fatigue induced by excessive chewing.

BMC Oral Health 2020 Jun 29;20(1):179. Epub 2020 Jun 29.

Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Box 4046, SE-141 04, Huddinge, Sweden.

Background: The study was aiming to optimize excessive gum chewing as an experimental model to induce jaw muscle pain and fatigue similar to those in painful TMDs with durations that would allow immediate investigations of jaw-motor function. Further, if any sex differences would be detected in the expression of pain.

Methods: This randomized, double blinded study included 31 healthy participants of both sexes. Read More

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http://dx.doi.org/10.1186/s12903-020-01161-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7322929PMC

Comparative analysis of education, awareness, and knowledge of dentists and physical therapists in the treatment of temporomandibular disorders.

Cranio 2020 Jun 28:1-8. Epub 2020 Jun 28.

Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University , Tokushima, Japan.

Objective: To compare the education, awareness, and knowledge of Filipino dentists and physical therapists (PTs) in terms of temporomandibular disorders (TMDs).

Methods: A 30-item structured online questionnaire was given to recruited PTs and dentists from January 2019 to December 2019. Welch's -test was used to compare the education, awareness, and knowledge of health professionals. Read More

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http://dx.doi.org/10.1080/08869634.2020.1786332DOI Listing

Will they fit? Determinants of the adaptability of stock TMJ prostheses where custom TMJ prostheses were utilized.

Int J Oral Maxillofac Surg 2020 Jun 23. Epub 2020 Jun 23.

Department of Oral and Maxillofacial Surgery, University of Texas - Health at San Antonio, San Antonio, Texas, USA. Electronic address:

Currently only two alloplastic temporomandibular joint (TMJ) total joint replacement (TJR) systems are available in the United States. The aim of this study was to define variables that determine whether a Biomet stock prosthesis could have been used to reconstruct a TMJ previously reconstructed with a TMJ Concepts patient-fitted prosthesis. All of the TMJ Concepts prostheses placed between 2010 and 2018 at the University of Texas - Health at San Antonio were analyzed retrospectively. Read More

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http://dx.doi.org/10.1016/j.ijom.2020.05.009DOI Listing

Assessment of somatosensory changes in Chinese temporomandibular disorders arthralgia patients by quantitative sensory testing.

J Oral Rehabil 2020 Jun 26. Epub 2020 Jun 26.

Department of Prosthodontics and Center for Oral Function Diagnosis, Treatment and Research, Peking University School and Hospital of Stomatology&National Clinical Research Center for Oral Diseases&National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing, China.

Background: Somatosensory changes in Chinese temporomandibular disorders (TMD) arthralgia patients have not been fully studied by the latest technologies.

Objective: This study aims at assessing somatosensory changes in Chinese TMD arthralgia patients quantitatively.

Methods: Standardized quantitative sensory testing (QST) was performed on the pain sites and contralateral sites of 40 patients diagnosed with TMD arthralgia according to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) before and after medication; similar measures were taken in 40 age- and gender-matched healthy controls. Read More

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http://dx.doi.org/10.1111/joor.13038DOI Listing

Manual therapy and exercise in temporomandibular joint disc displacement without reduction. A systematic review.

Cranio 2020 Jun 26:1-11. Epub 2020 Jun 26.

Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Autonomous University of Madrid , Madrid, Spain.

Objective: The aim of this systematic review was to analyze the effectiveness of exercise and manual therapy interventions in patients with disc displacement without reduction.

Method: The authors performed a systematic review of Medline, EMBASE, PEDro, CINAHL, and Google Scholar databases. Two independent reviewers conducted the eligibility and quality assessment of studies. Read More

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http://dx.doi.org/10.1080/08869634.2020.1776529DOI Listing

Editorial: Orofacial Pain, Bruxism, and Sleep.

Front Neurol 2020 10;11:555. Epub 2020 Jun 10.

Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.

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http://dx.doi.org/10.3389/fneur.2020.00555DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7297946PMC

The evolution of temporomandibular disorders: A shift from experience to evidence.

J Oral Pathol Med 2020 Jun 25. Epub 2020 Jun 25.

Department of Orthodontics, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA.

After over 80 years of much obsession as well as avoidance of the subject of temporomandibular disorders (TMDs), the dental profession is still divided over what they are and how to deal with them. Over this period, nearly every discipline in dentistry has played some role in the development of this field. Unfortunately, a significant amount of this information has been based on personal opinion, experience-based philosophies, or poorly conducted research. Read More

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http://dx.doi.org/10.1111/jop.13080DOI Listing

PY Receptors Mediate Masseter Muscle Mechanical Hypersensitivity in Rats.

J Pain Res 2020 3;13:1323-1333. Epub 2020 Jun 3.

Department of Prosthodontics, Faculty of Dental Medicine, University of Rijeka, Rijeka, Croatia.

Purpose: PY receptors (PYRs) are among the various receptors that play an important role in nociception. The goal of this research was to investigate possible PYR expression changes in the trigeminal ganglion (TRG) in bilateral masseter muscle (MM) hypersensitivity following unilateral MM inflammation. The impact of unilateral intramasseteric administration of PYR antagonist on bilateral MM hypersensitivity was also explored. Read More

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http://dx.doi.org/10.2147/JPR.S239831DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7280063PMC

Temporomandibular inflammation mobilizes parvalbumin and FosB/deltaFosB neurons of amygdala and dorsal raphe.

Braz J Med Biol Res 2020 19;53(8):e9950. Epub 2020 Jun 19.

Departamento de Psicologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brasil.

Pathophysiological mechanisms involved in orofacial pain and their relationship with emotional disorders have emerged as an important research area for multidisciplinary studies. In particular, temporomandibular disorders (TMD) have been evaluated clinically from both physiological and psychological perspectives. We hypothesized that an altered neuronal activity occurs in the amygdala and the dorsal raphe nucleus (DR), encephalic regions involved in the modulation of painful and emotional information. Read More

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http://dx.doi.org/10.1590/1414-431X20209950DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7307894PMC

Retrospective analysis of the incidence of trauma in patients with temporomandibular disorders.

Dent Traumatol 2020 Jun 23. Epub 2020 Jun 23.

Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey.

Background/aim: The relationships between direct trauma, whiplash injuries and temporomandibular disorders (TMD) have not been well established. The aim of this study was to evaluate the percentage of direct and/or whiplash trauma in patients with TMDs.

Material And Methods: The clinical records of 237 patients with temporomandibular disorders who had sought treatment at the Orofacial Pain Clinic were reviewed. Read More

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http://dx.doi.org/10.1111/edt.12582DOI Listing

Changes of sensory and pain thresholds in healthy subjects after mandibular extension at maximum mouth opening: implications for temporomandibular disorders therapy.

Arch Ital Biol 2020 Mar;158(1):17-23

Dipartimento di Scienze Farmaceutiche, Università degli Studi di Perugia, Via Romana, 06126, Perugia, Italy - Email:

There is evidence showing that increasing the vertical dimension of occlusion, or interocclusal distance, reduces pain symptoms in patients with temporomandibular disorders (TMD) and bruxism. The mechanism underlying the analgesic effect is still under investigation. Some researchers propose either a gate mechanism or the activation of the trigemino-cardiac reflex. Read More

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http://dx.doi.org/10.12871/00039829202012DOI Listing

Self-Perceived Dentists' Knowledge of Temporomandibular Disorders in Krakow: A Pilot Study.

Pain Res Manag 2020 27;2020:9531806. Epub 2020 May 27.

Department of Integrated Dentistry, Dental Institute, Faculty of Medicine, Jagiellonian University Medical College, Krakow, Poland.

Introduction: The most common nondental orofacial pain conditions are temporomandibular disorders (TMDs). TMD basic examination and clinical management are included in a curriculum of each dentistry programme taught in Poland, but it is not clear how the dentists cope with diagnosis and possible treatment in their routine dental practices. The objective of the present study was to assess a level of self-perceived knowledge of TMD amongst dentists in Poland. Read More

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http://dx.doi.org/10.1155/2020/9531806DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7273367PMC

The epidemiology, nature, and impact of eating and swallowing problems in adults presenting with temporomandibular disorders.

Cranio 2020 Jun 20:1-9. Epub 2020 Jun 20.

Department of Clinical Speech and Language Studies, Trinity College Dublin , Dublin, Ireland.

Objective: Temporomandibular disorders (TMDs) are the most common non-dental orofacial pain disorders. Research suggests that patients with TMDs experience eating and swallowing problems, although information is sparse, impacting effectiveness of management. Research aims were to investigate the epidemiology and impact of TMD-related eating and swallowing problems. Read More

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http://dx.doi.org/10.1080/08869634.2020.1781453DOI Listing

Treatment of Temporomandibular Joint Disorders by Ultrashort Wave and Extracorporeal Shock Wave: A Comparative Study.

Med Sci Monit 2020 Jun 21;26:e923461. Epub 2020 Jun 21.

Department of Rehabilitation, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland).

BACKGROUND This study was carried out to compare the therapeutic efficacy of extracorporeal shock wave (ESW) and ultrashort wave (UW) for temporomandibular joint disorder (TMD). MATERIAL AND METHODS A total of 80 patients with myofascial pain and TMD were enrolled in this study. The subjects were randomized to receive ESW or UW treatments. Read More

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http://dx.doi.org/10.12659/MSM.923461DOI Listing

Temporomandibular Disorder: A practical guide for dental practitioners in diagnosis and management.

Aust Dent J 2020 Jun 19. Epub 2020 Jun 19.

Melbourne Dental School, The University of Melbourne, 720 Swanston Street, 3053, Melbourne, Victoria, Australia.

Temporomandibular disorder is a broad term encompassing pain and/or dysfunction of the masticatory musculature and the temporomandibular joints. Pain arising from a temporomandibular disorder is a common reason for seeking dental care. It is essential that dental practitioners are able to accurately diagnose and manage this condition. Read More

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http://dx.doi.org/10.1111/adj.12785DOI Listing

Chronic facial pain: different comorbidities and characteristics between neuropathic and nonneuropathic conditions.

Oral Surg Oral Med Oral Pathol Oral Radiol 2020 May 24. Epub 2020 May 24.

School of Arts, Science and Humanities Department; and Neurology Department, Medical School, University of São Paulo, São Paulo, Brazil. Electronic address:

Objective: The aim of this study was to investigate the association between comorbidities and chronic diseases and neuropathic and nonneuropathic orofacial pain diagnoses to suggest subclassifications of disease.

Study Design: This was a cross-sectional, retrospective, case-control study. We evaluated 174 patients with orofacial pain and 132 controls by using a systematic protocol that consisted of medical history and demographic, pain, and orofacial characteristics. Read More

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http://dx.doi.org/10.1016/j.oooo.2020.05.006DOI Listing

The neuro-pathophysiology of temporomandibular disorders-related pain: a systematic review of structural and functional MRI studies.

J Headache Pain 2020 Jun 19;21(1):78. Epub 2020 Jun 19.

Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China.

Chronic pain surrounding the temporomandibular joints and masticatory muscles is often the primary chief complaint of patients with temporomandibular disorders (TMD) seeking treatment. Yet, the neuro-pathophysiological basis underlying it remains to be clarified. Neuroimaging techniques have provided a deeper understanding of what happens to brain structure and function in TMD patients with chronic pain. Read More

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http://dx.doi.org/10.1186/s10194-020-01131-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7304152PMC

Temporomandibular disorders, neck disability, and oral parafunctions in tinnitus patients: A cross-sectional epidemiological study from Southern Italy.

Cranio 2020 Jun 19:1-9. Epub 2020 Jun 19.

Department of Neurosciences, Reproductive Sciences and Oral Science, School of Orthodontics and Temporomandibular Disorders, University of Naples Federico II , Naples, Italy.

Objective: To assess the prevalence of temporomandibular disorders (TMD) in a sample of tinnitus patients and to determine the association between tinnitus, TMD, neck disability, and oral parafunctions.

Methods: Seventy-nine tinnitus patients were enrolled and underwent standardized clinical examination for TMD. The tinnitus severity was measured with the Tinnitus Handicap Inventory (THI). Read More

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http://dx.doi.org/10.1080/08869634.2020.1781499DOI Listing

Common Factors in the Presentation and Management of Chronic Temporomandibular Disorders and Chronic Overlapping Pain Disorders.

J Oral Pathol Med 2020 Jun 19. Epub 2020 Jun 19.

Director, Westmead Initiative, The University of Sydney, Senior Staff Specialist, Pain Management Research Institute, Royal North Shore Hospital, Camperdow, Australia.

The International Association for the Study of Pain has released a new classification scheme for chronic pain. This classification scheme describes chronic pain as either a symptom of a disease (chronic secondary pain) or as the disease itself (chronic primary pain). Chronic temporomandibular disorders have many similarities to other proposed chronic overlapping pain disorders, but are classified and managed by dental practitioners as a localized pain condition of the orofacial region. Read More

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http://dx.doi.org/10.1111/jop.13079DOI Listing

Molecular mechanisms of painful traumatic trigeminal neuropathy-Evidence from animal research and clinical correlates.

J Oral Pathol Med 2020 Jun 18. Epub 2020 Jun 18.

Center for Orofacial Pain and Temporomandibular Disorders, Department of Diagnostic Sciences, Rutgers School of Dental Medicine, Rutgers, The State University of New Jersey, Newark, New Jersey, USA.

Painful traumatic trigeminal neuropathy (PTTN) may occur following major craniofacial or oral trauma, or may be subsequent to relatively minor dental interventions. Following injury, pain may originate from a peripheral nerve, a ganglion, or from the central nervous system. In this review, we focus on molecular mechanisms of pain resulting from injury to the peripheral branch of the trigeminal nerve. Read More

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http://dx.doi.org/10.1111/jop.13078DOI Listing

The importance of multisection sagittal and coronal magnetic resonance imaging evaluation in the assessment of temporomandibular joint disc position.

Clin Oral Investig 2020 Jun 17. Epub 2020 Jun 17.

Department of Dental and Maxillofacial Radiology, Medical University of Lublin, Karmelicka 7 Street, 20-081, Lublin, Poland.

Objectives: The aim of this study was to evaluate diagnoses of temporomandibular (TMJ) disc displacement by comparing evaluations done on the basis of central sagittal scans only, the most often used in temporomandibular disorder (TMD) patients, with a multisection evaluation done with both sagittal and coronal scans.

Materials And Methods: Multisection MRI analysis of 382 TMJs was conducted in 191 patients with disc displacement according to RDC/TMD criteria. Disc position in the intercuspal position (IP) was assessed two times using two different methods. Read More

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http://dx.doi.org/10.1007/s00784-020-03347-9DOI Listing

Association Between -1607 1G/2G Polymorphism of MMP1 and Temporomandibular Joint Anterior Disc Displacement with Reduction.

Braz Dent J 2020 Mar-Apr;31(2):152-156

Instituto de Terapéutica Experimental y Clínica, CUCS - Centro Universitario de Ciencias de la Salud; Universidad de Guadalajara.

Anterior disc displacement with reduction (DDWR) is considered one of the most common disorders within the temporomandibular joint (TMJ), with a prevalence of 41% in adults. Matrix metalloproteinases play an important role in the degradation of the TMJ and the matrix metalloproteinase 1 (MMP1) 1607 1G/2G polymorphism increases the local expression of MMP1 thus leading to accelerated degradation of the extracellular matrix. The objective of this study was to evaluate the association between the 1607 1G/2G polymorphism of MMP1 gene and DDWR in a group of Mexican individuals from western Mexico. Read More

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http://dx.doi.org/10.1590/0103-6440202003037DOI Listing

Global Interest in Oral and Maxillofacial Surgery: Analysis of Google Trends Data.

J Oral Maxillofac Surg 2020 May 18. Epub 2020 May 18.

Assistant Professor, Division of Plastic Surgery, Department of Surgery, University of Washington School of Medicine, Seattle, WA, and Department of Oral and Maxillofacial Surgery, University of Washington School of Dentistry, Seattle, WA. Electronic address:

Purpose: Oral and maxillofacial surgery (OMS) has an expansive scope, with myriad diagnoses treated by practicing surgeons. Patients and referring providers are increasingly turning to Web-based sources to find information about clinical conditions before consultations or in conjunction with ongoing care. The purpose of this study was to examine the current trends of public interest of OMS procedures as assessed by online search trends. Read More

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http://dx.doi.org/10.1016/j.joms.2020.05.017DOI Listing

Efficacy and Safety of Botulinum Toxin Type A on Persistent Myofascial Pain: A Randomized Clinical Trial.

Toxins (Basel) 2020 Jun 15;12(6). Epub 2020 Jun 15.

Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Sao Paulo 13414-903, Brazil.

This study assessed the safety and efficacy of three different doses of BoNT-A for persistent myofascial pain (MFP). One hundred female subjects were randomly assigned into five groups ( = 20): oral appliance (OA), saline solution (SS) and three BoNT-A groups with different doses. Pain intensity and pressure pain threshold were evaluated up to 24 weeks after treatment. Read More

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http://dx.doi.org/10.3390/toxins12060395DOI Listing

Temporomandibular disorders and cervicogenic dizziness: Relations between cervical range of motion and clinical parameters.

Cranio 2020 Jun 16:1-10. Epub 2020 Jun 16.

Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata , Rome, Italy.

Objective: To analyze the cervical range of motion (CROM) and clinical parameters in patients affected by myogenous temporomandibular disorders (TMD), cervicogenic dizziness (CGD), both TMD and CGD (TMD/CGD), and a group of healthy subjects (HS).

Methods: CROM degrees, Dizziness Handicap Inventory (DHI), Tampa Scale for Kinesiophobia (TSK-17), Hospital Anxiety and Depression Scale (HADS), and Jaw Functional Limitation Scale 20 (JFLS-20) scores were compared between 46 TMD patients, 49 CGD subjects, 43 TMD/CGD patients, and 98 HS.

Results: TMD/CGD and CGD patients demonstrated significantly lower CROM degrees and higher DHI, TSK-17, and HADS values when compared to TMD patients. Read More

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http://dx.doi.org/10.1080/08869634.2020.1780772DOI Listing

Using e-Health in the physical therapeutic care process for patients with temporomandibular disorders: a qualitative study on the perspective of physical therapists and patients.

Disabil Rehabil 2020 Jun 16:1-8. Epub 2020 Jun 16.

Department of Oral-Maxillofacial Surgery and Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.

Treatment of temporomandibular disorder (TMD) currently consists of a combination of noninvasive therapies and may be supported by e-Health. It is, however, unclear if physical therapists and patients are positive towards the use of e-Health. To assess the needs, facilitators and barriers of the use of an e-Health application from the perspective of both orofacial physical therapists and patients with TMD. Read More

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http://dx.doi.org/10.1080/09638288.2020.1775900DOI Listing

Prevalence and clinical characteristics of patients with oromandibular dystonia seen in the orofacial pain clinic: a retrospective study.

Oral Surg Oral Med Oral Pathol Oral Radiol 2020 May 17. Epub 2020 May 17.

Division of TMD & Orofacial Pain, Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN, USA; Department of Neurology, Medical School, University of Minnesota, Minneapolis, MN, USA; Health Partners Institute for Education and Research, Bloomington, MN, USA. Electronic address:

Objective: The aim of this study was to describe the prevalence and clinical characteristics of patients with oromandibular dystonia (OMD) presenting to an academic orofacial pain clinic. OMD diagnosis was based on clinical signs and symptoms, presenting in varied forms and severities. Knowledge of clinical characteristics would help in early diagnosis and treatment of OMD. Read More

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http://dx.doi.org/10.1016/j.oooo.2020.05.002DOI Listing

Efficacy, safety, and economic assessment of hominis placental pharmacopuncture for chronic temporomandibular disorder: a protocol for a multicentre randomised controlled trial.

Trials 2020 Jun 15;21(1):525. Epub 2020 Jun 15.

Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, 3F JS Tower, 538 Gangnam-daero, Gangnam-gu, Seoul, Republic of Korea.

Background: Temporomandibular disorder (TMD) is a condition encompassing clinical symptoms of the temporomandibular joint, masseter muscle, and surrounding structures. Hominis placental pharmacopuncture (HPP), consisting of human placental extract, has been reported as effective for treating chronic musculoskeletal disorders, but a lack of well-designed randomised controlled trial s (RCTs) mean there is insufficient evidence to prove the efficacy of HPP.

Methods: This study is a two-arm parallel, assessor-blinded, multi-centre, randomised controlled trial. Read More

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http://dx.doi.org/10.1186/s13063-020-04442-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7294621PMC

Central mechanisms of pain in orofacial pain patients: Implications for management.

J Oral Pathol Med 2020 Jun 15. Epub 2020 Jun 15.

Anaesthesiology and Pain Medicine, UWA Medical School, University of Western Australia, Nedlands, WA, Australia.

Background: Central sensitization (CS) is a form of neuroplasticity characterized by changes in the neural sensitivity, responsiveness, and/or output that are not contingent on peripheral input nor activity-dependent. CS is characterized by activation of unmyelinated C-fibers resulting in a cascade of events at molecular and cellular levels which eventuate into generation of synaptic currents at rest. CS, therefore, contributes to heightened generalized pain sensitivity, further complicates the process of reaching a diagnosis, and increases the possibility of treatment failure. Read More

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http://dx.doi.org/10.1111/jop.13062DOI Listing

COVID-19 pandemic and Zagreb earthquakes as stressors in patients with temporomandibular disorders.

Oral Dis 2020 Jun 13. Epub 2020 Jun 13.

University Clinical Center Zagreb, Department of Dentistry, Croatia.

Stress refers to situations in which one feels that the demands imposed on them exceed the limitations of their ability to adapt. This causes a series of adverse consequences among which is compromised health (Lazarus and Folkman, 1984). On 11th March 2020, the World Health Organization declared the pandemic status of COVID-19 diseases, leading to the European Union states imposing the lockdown, Croatia being one among them. Read More

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http://dx.doi.org/10.1111/odi.13488DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7322988PMC

Interprofessional Collaboration in Dentistry: Role of physiotherapists to improve care and outcomes for chronic pain conditions and sleep disorders.

J Oral Pathol Med 2020 Jun 12. Epub 2020 Jun 12.

Sacre-Cœur Hospital, CIUSS du Nord-de-l'île-de-Montréal, Montreal, Canada.

Physiotherapists can manage chronic pain patients by using technical interventions such as mobility, strengthening, manual therapy, or flexibility in a specific and functional manner, being a key component of a multidisciplinary team. Dentists are involved in the management of different chronic pain conditions such as temporomandibular disorders and sleep disorders such as obstructive sleep apnea. However, they are frequently unaware of the benefits of collaborating with physical therapists. Read More

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http://dx.doi.org/10.1111/jop.13068DOI Listing

Group pain education is as effective as individual education in patients with chronic temporomandibular disorders.

J Oral Pathol Med 2020 Jun 12. Epub 2020 Jun 12.

Melbourne Dental School, The University of Melbourne, Carlton, Vic., Australia.

Background: Temporomandibular disorders (TMD) are recognised as the most common chronic orofacial pain condition, with prevalence figures ranging from 3% to 12%. Patients referred to tertiary orofacial pain clinics for the management of TMD often experience delays in receiving treatment. The objective of the present study was to assess a group treatment programme to deliver effective earlier intervention for patients with chronic TMD. Read More

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http://dx.doi.org/10.1111/jop.13061DOI Listing

Dietary supplementation with grape seed extract prevents development of trigeminal sensitization and inhibits pain signaling in a preclinical chronic temporomandibular disorder model.

J Oral Pathol Med 2020 Jun 12. Epub 2020 Jun 12.

Missouri State University, Springfield, Missouri, USA.

Background: The risk factors neck muscle tension, prolonged jaw opening, and female gender are associated with developing temporomandibular disorders (TMD), which are characterized by persistent sensitization of trigeminal neurons and enhanced pain signaling. Dietary supplementation with a grape seed extract (GSE) can modulate expression of proteins that decrease neuronal excitability and trigeminal sensitization.

Methods: Mechanical nocifensive thresholds over the masseter were determined using von Frey filaments in male and female adult Sprague Dawley rats. Read More

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http://dx.doi.org/10.1111/jop.13066DOI Listing

Imaging of orofacial pain.

J Oral Pathol Med 2020 Jun 12. Epub 2020 Jun 12.

Perth Radiological Clinic, Subiaco, WA, Australia.

Background: Orofacial pain is a common complaint, with an estimated 75% of cases caused by dental disease, specifically a diseased pulp. A small percentage of orofacial pain cases will require specialist referral most commonly to oral medicine specialists or oral and maxillofacial surgeons from a dental perspective, or otolaryngologists or neurologists from a medical perspective.

Imaging Modalities: Following a thorough history and clinical examination, imaging is often required to narrow the differential diagnosis or answer a specific query related to the final diagnosis. Read More

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http://dx.doi.org/10.1111/jop.13063DOI Listing

Neck associated factors related to migraine in adolescents with painful temporomandibular disorders.

Authors:
Jeong-Hyun Kang

Acta Odontol Scand 2020 Jun 12:1-9. Epub 2020 Jun 12.

Clinic of Oral Medicine and Orofacial Pain, Institute of Oral Health Science, Ajou University School of Medicine, Suwon, Korea (ROK).

Migraine is a comorbidity of painful temporomandibular disorders (TMDs). Both migraine and painful TMD have associations with neck pain and head posture. The aim of this study was to clarify the role of neck pain and head posture on the association between migraine and painful TMD in adolescents. Read More

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http://dx.doi.org/10.1080/00016357.2020.1774649DOI Listing

Immunohistochemical panel of degenerated articular discs from patients with temporomandibular joint osteoarthritis.

J Oral Rehabil 2020 Jun 10. Epub 2020 Jun 10.

School of Health Sciences, Universidade Positivo, Curitiba, Brazil.

Background: Temporomandibular joint osteoarthritis (TMJOA) is a progressive degenerative disease caused by imbalance between anabolic and catabolic stimuli.

Objective: The aim of this study was to evaluate histopathological changes, collagen degeneration and the expression of eleven TMJOA biomarkers in articular discs.

Methods: Specimens were obtained from eight female patients submitted to discectomy. Read More

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http://dx.doi.org/10.1111/joor.13034DOI Listing

Occlusion and Temporomandibular Disorders: A Long-Standing Controversy in Dentistry.

Authors:
Ziad Al-Ani

Prim Dent J 2020 Mar;9(1):43-48

Senior Lecturer, Glasgow Dental Hospital and School.

The relationship between temporomandibular disorders (TMDs) and occlusion remains controversial. Some authors believe that occlusion is the primary factor in the onset of TMD symptoms, whereas others feel that occlusion has no role in this at all. The majority of reasoning behind causation is based upon anecdotal rather than scientific evidence. Read More

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http://dx.doi.org/10.1177/2050168420911029DOI Listing

Computer-assisted surgery for replacement of the temporomandibular joint with customized prostheses: can we validate the results?

Oral Maxillofac Surg 2020 Jun 9. Epub 2020 Jun 9.

Academic Department of Morphological Sciences, Instituto Universitario, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.

Purpose: Replacing the temporomandibular joint poses an important challenge to maxillofacial surgeons, and for certain disorders, it represents the treatment's gold standard. Computer-assisted surgery (comprising preoperative virtual planning, virtual intraoperative navigation and 3D printing) is a useful tool for this type of surgery. However, we do not know if and how much the final position of the prosthesis differs, in absolute values, from what was planned virtually in the preoperative phase. Read More

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http://dx.doi.org/10.1007/s10006-020-00858-3DOI Listing

A Pre-Existing Myogenic Temporomandibular Disorder Increases Trigeminal Calcitonin Gene-Related Peptide and Enhances Nitroglycerin-Induced Hypersensitivity in Mice.

Int J Mol Sci 2020 Jun 5;21(11). Epub 2020 Jun 5.

Department of Biomedical Sciences, Texas A&M University College of Dentistry, Dallas, TX 75246, USA.

Migraine is commonly reported among patients with temporomandibular disorders (TMDs), especially myogenic TMD. The pathophysiologic mechanisms related to the comorbidity of the two conditions remain elusive. In the present study, we combined masseter muscle tendon ligation (MMTL)-produced myogenic TMD with systemic injection of nitroglycerin (NTG)-induced migraine-like hypersensitivity in mice. Read More

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http://dx.doi.org/10.3390/ijms21114049DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7313473PMC
June 2020
2.862 Impact Factor

Short-Term Effects of Intra-Articular Hyaluronic Acid Administration in Patients with Temporomandibular Joint Disorders.

J Clin Med 2020 Jun 5;9(6). Epub 2020 Jun 5.

Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.

The study described in this paper was conducted to assess the short-term outcomes of intra-articular administration of hyaluronic acid in patients with symptoms of temporomandibular joint disorders. A group of 40 patients suffering from temporomandibular joint disorders underwent a series of hyaluronic acid intra-articular injections. Questionnaires and clinical examinations were conducted to assess stress exposure of the subjects and to evaluate short-term treatment outcomes, i. Read More

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http://dx.doi.org/10.3390/jcm9061749DOI Listing

Patterns of orofacial pain practice amongst oral medicine specialists in Australia.

J Oral Pathol Med 2020 Jun 9. Epub 2020 Jun 9.

Clinical Associate Professor, UWA Dental School, The University of Western Australia, Nedlands, WA, Australia.

Background: This study aimed to evaluate and describe the current patterns of practice pertaining to orofacial pain amongst oral medicine specialists in Australia and provide insight into the access of care available to orofacial pain patients in Australia.

Methods: A survey involving questions relevant to orofacial pain, patient and practitioner demographics was designed and disseminated via an online polling platform to all Australian Health Practitioner Regulation Agency registered oral medicine specialists. Results were collated online, and simple descriptive statistics were utilised for data analysis. Read More

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http://dx.doi.org/10.1111/jop.13053DOI Listing

Inter-relationships between pain-related temporomandibular disorders, somatic and psychological symptoms in Asian youths.

J Oral Rehabil 2020 Jun 9. Epub 2020 Jun 9.

Faculty of Dentistry, National University of Singapore, Singapore, Singapore.

Objective: This cross-sectional, observational study assessed the inter-relationships between painful TMDs, somatic and psychological symptoms in Asian youths.

Methods: Study subjects were recruited from a local Polytechnic. Pain-related TMDs were established with the TMD pain screener (TPS), while somatic and psychological symptoms were assessed with the Patient Health Questionnaire-15 (PHQ-15) and Depression, Anxiety and Stress Scales-21 (DASS-21). Read More

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http://dx.doi.org/10.1111/joor.13033DOI Listing