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Arvanitidis M, Falla D, Sanderson A, Martinez-Valdes E. Does pain influence control of muscle force? A systematic review and meta-analysis. Eur J Pain 2024. [PMID: 39176440 DOI: 10.1002/ejp.4716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 07/30/2024] [Accepted: 08/07/2024] [Indexed: 08/24/2024]
Abstract
BACKGROUND AND OBJECTIVE In the presence of pain, whether clinical or experimentally induced, individuals commonly show impairments in the control of muscle force (commonly known as force steadiness). In this systematic review and meta-analysis, we synthesized the available evidence on the influence of clinical and experimental pain on force steadiness. DATABASES AND DATA TREATMENT MEDLINE, EMBASE, PubMed, CINAHL Plus and Web of Science databases were searched from their inception to 19 December 2023, using MeSH terms and pre-selected keywords related to pain and force steadiness. Two independent reviewers screened studies for inclusion and assessed their methodological quality using a modified Newcastle-Ottawa risk of bias tool. RESULTS In total, 32 studies (19 clinical pain and 13 experimental pain) were included. Meta-analyses revealed reduced force steadiness in the presence of clinical pain as measured by the coefficient of variation (CoV) and standard deviation (SD) of force (standardized mean difference; SMD = 0.80, 95% CI = 0.31-1.28 and SMD = 0.61, 95% CI = 0.11-1.11). These findings were supported by moderate and low strength of evidence respectively. In the presence of experimental pain, meta-analyses revealed reductions in force steadiness when measured by the CoV of force but not by the SD of force (SMD = 0.50, 95% CI = 0.01-0.99; and SMD = 0.44, 95% CI = -0.04 to 0.92), each supported by very low strength of evidence. CONCLUSIONS This work demonstrates that pain, particularly clinical pain, impairs force steadiness. Such impairments likely have clinical relevance and could become targets for treatment when managing people experiencing musculoskeletal pain. SIGNIFICANCE STATEMENT This systematic review and meta-analyses enhances our understanding of motor impairments observed in people experiencing musculoskeletal pain. It underscores the significance of incorporating force steadiness assessment when managing individuals experiencing musculoskeletal pain. Additionally, it suggests that future research should explore the potential benefits of force steadiness training in alleviating patients' symptoms and enhancing their functional performance. This could potentially lead to the development of innovative therapeutic approaches for individuals suffering from musculoskeletal pain.
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Affiliation(s)
- Michail Arvanitidis
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Deborah Falla
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Andy Sanderson
- Department of Sport and Exercise Sciences, Institute of Sport, Manchester Metropolitan University, Manchester, UK
| | - Eduardo Martinez-Valdes
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
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Mélou C, Leroux L, Bonnesoeur M, Le Padellec C, Bertaud V, Chauvel-Lebret D. Relationship between natural or iatrogenic malocclusions and temporomandibular disorders: A case control study. Cranio 2024; 42:206-214. [PMID: 34061714 DOI: 10.1080/08869634.2021.1933307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To investigate the link between malocclusions and temporomandibular disorders (TMD) with a focus on iatrogenic malocclusion. Other etiologies of TMD (oral parafunctions) were also assessed. METHODS The prevalence of malocclusions was correlated in two groups: patients with TMD (case group) and patients without TMD (control group). Malocclusions involving dental care were specified. Parafunctions in the case group were assessed. RESULTS A statistically significant association between TMD and overbite >4 mm, interferences in laterotrusion, and absence of Angle Class I was shown. A potential deleterious effect of iatrogenic malocclusions was highlighted. CONCLUSION The multifactorial etiology of TMD was confirmed because an association between TMD and three malocclusions was found, and all case patients had parafunction(s). Current recommendations advising first a reversible treatment, TMD care should start with a behavioral re-education to remove parafunctions. However, it is essential to avoid creating iatrogenic malocclusion during dental care.
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Affiliation(s)
- Caroline Mélou
- Odontology Department, Rennes, France, Training and Research Unit of Odontology, University of Rennes, University Hospital Center of Rennes, Rennes, France
| | | | | | | | - Valérie Bertaud
- Odontology Department, Rennes, France, Training and Research Unit of Odontology, University of Rennes, Inserm, LTSI (Signal and Image Processing Laboratory), Rennes, France, University Hospital Center of Rennes, Rennes, France
| | - Dominique Chauvel-Lebret
- Odontology Department, Rennes, France, Training and Research Unit of Odontology, University of Rennes, CNRS, ISCR (Institute of Chemical Sciences of Rennes), University Hospital Center of Rennes, Rennes, France
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Dorosz T, Mańko A, Ginszt M. Use of Surface Electromyography to Evaluate Effects of Therapeutic Methods on Masticatory Muscle Activity in Patients with Temporomandibular Disorders: A Narrative Review. J Clin Med 2024; 13:920. [PMID: 38337614 PMCID: PMC10856181 DOI: 10.3390/jcm13030920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/01/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024] Open
Abstract
The presented narrative review aims to present the impact of therapeutic methods on the masticatory muscle activity measured using surface electromyography (sEMG) in patients with temporomandibular disorders (TMDs). Original interventional studies with baseline data for diagnosed TMD groups with full-text articles in English published in scientific journals in the last ten years were included in the evaluation process. The following narrative review considered only clinical, controlled, and randomized studies. Articles that included the following parameters were qualified for this review: adult participants, diagnosis of temporomandibular disorder, the presence of a musculoskeletal dysfunction, no other severe comorbidities, use of therapeutic interventions, and sEMG measurement before and after the intervention. Ten papers were accepted and analyzed for the final evaluation in the presented review. Several studies using surface electromyographic examination prove the effectiveness of various therapies to normalize the bioelectrical activity of the masticatory muscles, either reduction during rest or increase during a functional task in patients diagnosed with temporomandibular disorders. This narrative review shows the influence of manual and physical treatments on electromyographic masticatory muscle activity, including soft tissue mobilization, transcutaneous electrical nerve stimulation, low-level laser therapy, and moist heat therapy. Changes in masticatory muscle activity coincided with changes in TMD-associated pain and range of mandibular mobility.
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Affiliation(s)
| | | | - Michał Ginszt
- Department of Rehabilitation and Physiotherapy, Medical University of Lublin, 20-093 Lublin, Poland
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Dinsdale A, Thomas L, Forbes R, Treleaven J. Is proprioception affected in those with persistent intra-articular temporomandibular disorders? A cross-sectional study exploring joint position sense and force sense of the jaw. Musculoskelet Sci Pract 2024; 69:102904. [PMID: 38171215 DOI: 10.1016/j.msksp.2023.102904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 12/20/2023] [Accepted: 12/26/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Proprioception is an important component of normal jaw function, although to date it is unknown if and how proprioception is affected in those with intra-articular temporomandibular disorders (IA-TMDs). This challenges effective management of this subgroup. OBJECTIVES Determine whether differences in local joint position sense and force sense exist between individuals with IA-TMD and those without a jaw problem. DESIGN Cross-sectional study. METHOD Sixty age and sex matched participants were recruited (n = 30 IA-TMD, n = 30 healthy controls). Temporomandibular joint position sense was tested to one target (50% of maximal mouth opening) using a ruler. Temporomandibular force sense was tested to two targets (50% and 70% of maximal molar pain-free bite force) using a bite sensor. Constant, absolute and variable errors were calculated for each outcome and compared between groups using p-values and 95% confidence intervals for effect size (d). RESULTS Significantly greater degrees of constant, absolute and variable error were seen for force sense testing at the 50% target (p < 0.05). No statistically significant difference was observed between groups for joint position sense, or for constant or variable force sense error at the 70% target (p > 0.05). Despite this, all joint position sense and force sense measures demonstrated possible clinical significance (upper limits 95% CI d ≥ 0.5). CONCLUSIONS Force sense, particularly at lower levels, appears impaired in those with IA-TMD. Joint position sense and force sense at higher levels appear less affected, although may still be important to consider in the management of IA-TMD in some patients.
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Affiliation(s)
- Alana Dinsdale
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, 4072, Saint Lucia.
| | - Lucy Thomas
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, 4072, Saint Lucia.
| | - Roma Forbes
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, 4072, Saint Lucia.
| | - Julia Treleaven
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, 4072, Saint Lucia.
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Effat KG. Chronic craniomandibular pain after craniotomy: A long-term clinical study. Cranio 2022:1-8. [PMID: 36503374 DOI: 10.1080/08869634.2022.2154930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Chronic craniomandibular/cervical pain and temporomandibular disorders have not been studied in patients who had a craniotomy several years previously. The aim of the current clinical work was to address these issues. METHODS A total group of 150 ambulant patients who had a previous craniotomy was subclassified according to whether or not the temporalis muscle was manipulated. RESULTS The average incidence of multiple subsite regional head and neck pain was 69.3% a number of years after a craniotomy. Evidence of internal derangement of the temporomandibular joint was significantly higher in the group that required manipulation of the temporalis muscle during the procedure. CONCLUSION The pattern of chronic craniomandibular/cervical pain experienced years after a craniotomy supports the brain neuromatrix theory of pain.
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Affiliation(s)
- Kamal G Effat
- Department of Otolaryngology, El- Sahel Teaching Hospital, Cairo, Egypt
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Al Sayegh S, Christidis N, Kumar A, Svensson P, Grigoriadis A. Masticatory performance in patients with jaw muscle pain: A case control study. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.963425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
IntroductionMasticatory function is often impaired in patients with painful temporomandibular disorders (TMD) therefore more detailed studies on comminution and mixing ability are warranted in well-defined TMD patients with chronic myalgia. Moreover, there is a need to explore the correlation between any changes in perceived pain or fatigue in such patients and the masticatory function.Materials and methodsSelf-assessments using questionnaires regarding pain, oral health, jaw function, masticatory ability, fear of movement and psychosocial signs were answered by all the participants. A series of chewing tasks involving viscoelastic food and two-colored gum was performed. Optical imaging and analyzing was conducted. Bite force as well as characteristics of pain and fatigue were assessed.ResultsIn patients, the fragmented soft candy particles were less in number and had larger median of area and minimum Feret's diameter after standardized chewing compared to healthy individuals (P = 0.02). Surprisingly, the two-colored Hue-Check gum was less mixed by the healthy controls since they displayed a greater variance of the hue (P = 0.04). There were significant differences between the patients and the healthy controls in the self-assessed masticatory ability mainly regarding pain-related variables.ConclusionsObjectively, TMD patients with chronic myalgia exhibited an impaired masticatory performance with less efficiency in comminuting soft viscoelastic food compared to the pain-free healthy control group. There was an agreement between the patients' self-assessed masticatory ability and the efficiency of their masticatory function.
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Effat KG. A clinical study on the incidence of internal derangement of the temporomandibular joint following harvesting of temporalis fascia. Cranio 2022:1-8. [PMID: 35514168 DOI: 10.1080/08869634.2022.2072452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE The aim of the current clinical study was to reveal whether harvesting of a temporalis fascia graft would be associated with a higher incidence of temporomandibular joint (TMJ) internal derangement. METHODS The study group involved 104 patients who had middle-ear operations, 67 of which involved harvesting of temporalis fascia and 37 that did not. The TMJs were clinically examined in each group. RESULTS The total incidence of internal derangement of the TMJ was significantly higher in the group that had temporalis fascia harvesting (79.1%), compared to the group that did not have temporalis fascia harvesting (29.7%), (p= 0.001). CONCLUSION Harvesting of temporalis fascia probably alters mandibular kinematics and predisposes to internal derangement of the TMJs.
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Affiliation(s)
- Kamal G Effat
- Department of Otolaryngology, El- Sahel Teaching Hospital, Cairo, Egypt
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Effects of Therapeutic and Aerobic Exercise Programs on Pain, Neuromuscular Activation, and Bite Force in Patients with Temporomandibular Disorders. J Pers Med 2021; 11:jpm11111170. [PMID: 34834522 PMCID: PMC8623244 DOI: 10.3390/jpm11111170] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/08/2021] [Accepted: 11/08/2021] [Indexed: 02/05/2023] Open
Abstract
Pain in masticatory muscles is one of the most frequent symptoms in patients with temporomandibular disorders (TMD) and can lead to changes in the patterns of neuromuscular activity of masticatory muscles and decrease in bite force. This study assesses the effects of three eight-week exercise programs on pain intensity, neuromuscular activation, and bite force of masticatory muscles in patients with TMD. Forty-five patients were divided into three groups: a therapeutic exercise program (G1), a therapeutic and aerobic exercise program (G2), and an aerobic exercise program (G3). The masticatory muscles’ pain was evaluated using the numeric pain rating scale (NPRS), surface electromyographic (sEMG) activity of the masseter was recorded during maximum voluntary contraction and at rest, and bite force was evaluated using a dynamometer. These parameters were evaluated twice at baseline (A01/A02), at the end of the eight-week intervention period (A1), and 8–12 weeks after the end of the intervention (A2). After intervention, G2 showed the best results, with a significantly decrease in masticatory muscles’ pain and increase in bite force. These results suggest that interventions to reduce pain in patients with TMD should be multimodal.
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Thymi M, Lobbezoo F, Aarab G, Ahlberg J, Baba K, Carra MC, Gallo LM, De Laat A, Manfredini D, Lavigne G, Svensson P. Signal acquisition and analysis of ambulatory electromyographic recordings for the assessment of sleep bruxism: A scoping review. J Oral Rehabil 2021; 48:846-871. [PMID: 33772835 PMCID: PMC9292505 DOI: 10.1111/joor.13170] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/07/2021] [Accepted: 03/17/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Ambulatory electromyographic (EMG) devices are increasingly being used in sleep bruxism studies. EMG signal acquisition, analysis and scoring methods vary between studies. This may impact comparability of studies and the assessment of sleep bruxism in patients. OBJECTIVES (a) To provide an overview of EMG signal acquisition and analysis methods of recordings from limited-channel ambulatory EMG devices for the assessment of sleep bruxism; and (b) to provide an overview of outcome measures used in sleep bruxism literature utilising such devices. METHOD A scoping review of the literature was performed. Online databases PubMed and Semantics Scholar were searched for studies published in English until 7 October 2020. Data on five categories were extracted: recording hardware, recording logistics, signal acquisition, signal analysis and sleep bruxism outcomes. RESULTS Seventy-eight studies were included, published between 1977 and 2020. Recording hardware was generally well described. Reports of participant instructions in device handling and of dealing with failed recordings were often lacking. Basic elements of signal acquisition, for example amplifications factors, impedance and bandpass settings, and signal analysis, for example rectification, signal processing and additional filtering, were underreported. Extensive variability was found for thresholds used to characterise sleep bruxism events. Sleep bruxism outcomes varied, but typically represented frequency, duration and/or intensity of masticatory muscle activity (MMA). CONCLUSION Adequate and standardised reporting of recording procedures is highly recommended. In future studies utilising ambulatory EMG devices, the focus may need to shift from the concept of scoring sleep bruxism events to that of scoring the whole spectrum of MMA.
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Affiliation(s)
- Magdalini Thymi
- Department of Orofacial Pain and DysfunctionAcademic Centre for Dentistry AmsterdamUniversity of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Frank Lobbezoo
- Department of Orofacial Pain and DysfunctionAcademic Centre for Dentistry AmsterdamUniversity of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Ghizlane Aarab
- Department of Orofacial Pain and DysfunctionAcademic Centre for Dentistry AmsterdamUniversity of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Jari Ahlberg
- Department of Oral and Maxillofacial DiseasesUniversity of HelsinkiHelsinkiFinland
| | - Kazuyoshi Baba
- Department of ProsthodonticsShowa University School of DentistryOhta‐kuJapan
| | - Maria Clotilde Carra
- UFR of Odontology GaranciereUniversité de Paris and Service of OdontologyRothschild Hospital (AP‐HP)ParisFrance
| | - Luigi M. Gallo
- Clinic of Masticatory DisordersCenter of Dental MedicineUniversity of ZurichZurichSwitzerland
| | - Antoon De Laat
- Department of Oral Health SciencesLeuvenBelgium
- Department of Oral and Maxillofacial SurgeryUniversity Hospitals LeuvenLeuvenBelgium
- Department of DentistryUniversity HospitalLeuvenBelgium
| | - Daniele Manfredini
- Department of Biomedical TechnologiesSchool of DentistryUniversity of SienaSienaItaly
| | - Gilles Lavigne
- Faculty of Dental MedicineUniversité de MontréalMontrealQCCanada
- CIUSSS Nord Ile de MontrealCenter for Advance Research in Sleep Medicine & StomatologyCHUM, MontrealQCCanada
| | - Peter Svensson
- Section of Orofacial Pain and Jaw Function, Department of Dentistry and Oral HealthAarhus Universitet TandlageskolenAarhusDenmark
- Faculty of OdontologyMalmø UniversityMalmøSweden
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Arvanitidis M, Falla D, Sanderson A, Martinez-Valdes E. Does pain influence force steadiness? A protocol for a systematic review. BMJ Open 2021; 11:e042525. [PMID: 33419915 PMCID: PMC7798681 DOI: 10.1136/bmjopen-2020-042525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 11/26/2020] [Accepted: 12/30/2020] [Indexed: 11/07/2022] Open
Abstract
INTRODUCTION Performing contractions with minimum force fluctuations is essential for everyday life as reduced force steadiness impacts on the precision of voluntary movements and functional ability. Several studies have investigated the effect of experimental or clinical musculoskeletal pain on force steadiness but with conflicting findings. The aim of this systematic review is to summarise the current literature to determine whether pain, whether it be clinical or experimental, influences force steadiness. METHODS AND ANALYSIS This protocol for a systematic review was informed and reported in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols and the Cochrane Handbook for Systematic Reviews of Interventions. Key databases will be searched from inception to 31 August 2020, including MEDLINE, EMBASE, PubMed, CINAHL Plus, ZETOC and Web of Science. Grey literature and key journals will be also reviewed. Risk of bias will be assessed with the Newcastle-Ottawa tool, and the quality of the cumulative evidence assessed with the Grading of Recommendations, Assessment, Development and Evaluation guidelines. If homogeneity exists between groups of studies, meta-analysis will be conducted. Otherwise, a narrative synthesis approach and a vote-counting method will be used, while the results will be presented as net increases or decreases of force steadiness. ETHICS AND DISSEMINATION The findings will be presented at conferences and the review will be also submitted for publication in a refereed journal. No ethical approval was required. PROSPERO REGISTRATION NUMBER CRD42020196479.
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Affiliation(s)
- Michail Arvanitidis
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Deborah Falla
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
| | - Andy Sanderson
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
- Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University, Manchester, Greater Manchester, UK
| | - Eduardo Martinez-Valdes
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
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Dinsdale A, Liang Z, Thomas L, Treleaven J. Are jaw range of motion, muscle function and proprioception impaired in adults with persistent temporomandibular disorders? A systematic review and meta‐analysis. J Oral Rehabil 2020; 47:1448-1478. [DOI: 10.1111/joor.13090] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/22/2020] [Accepted: 08/25/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Alana Dinsdale
- School of Health and Rehabilitation Sciences The University of Queensland St Lucia QLD Australia
| | - Zhiqi Liang
- School of Health and Rehabilitation Sciences The University of Queensland St Lucia QLD Australia
| | - Lucy Thomas
- School of Health and Rehabilitation Sciences The University of Queensland St Lucia QLD Australia
| | - Julia Treleaven
- School of Health and Rehabilitation Sciences The University of Queensland St Lucia QLD Australia
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Bucci R, Koutris M, Palla S, Sepúlveda Rebaudo GF, Lobbezoo F, Michelotti A. Occlusal tactile acuity in temporomandibular disorder pain patients: A case-control study. J Oral Rehabil 2020; 47:923-929. [PMID: 32433776 DOI: 10.1111/joor.12996] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/18/2020] [Accepted: 05/11/2020] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To compare the smallest thickness that can be perceived between occluding teeth (occlusal tactile acuity, OTA) of temporomandibular disorder pain (TMD-P) patients with that of control (CTR) individuals. METHODS Twenty TMD-P patients (17 women and 3 men, mean age: 31.3 ± 10.4 years) diagnosed according to the Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) protocol and 20 age- and gender-matched controls (17 women and 3 men, mean age: 31.4 ± 10.5 years) were enrolled. The OTA was tested with 10 different thicknesses: 9 aluminium foils (8 µm-72 µm with a constant increment of 8 µm) and 1 sham test (without foil), each thickness being tested 10 times in random order (100 tests in total). The participants were instructed to close their mouth once and to report whether they felt the foil between their molar teeth. A between-group comparison (TMD-P vs CTR) was performed for each testing thickness (analysis of variance for repeated measurements, with Bonferroni multiple correction) (P < .005). RESULTS Significantly increased OTA was observed in the TMD-P group for the thicknesses between 8 µm and 40 µm, while no significant differences were found for the sham test and for the larger thicknesses tested (from 48 µm to 72 µm). CONCLUSIONS TMD-pain subjects presented an increased OTA as compared to controls.
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Affiliation(s)
- Rosaria Bucci
- University of Naples Federico II, Naples, Italy.,University of Salerno, Salerno, Italy
| | - Michail Koutris
- Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | | | | | - Frank Lobbezoo
- Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
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