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NCT06357702
This study will use a between-person design. Participants will be treatment-seeking patients with chronic masticatory muscle pain. Participants who are eligible for the study and consent to participate will be randomly assigned to receive a brief behavioral intervention for chronic orofacial pain called Physical Self-Regulation or a control intervention. Interventions will be administered via telehealth in both arms. Both interventions will consist of 2 50-minute sessions scheduled approximately two weeks apart. Participants will be contacted two weeks and three months after completing the interventions to provide additional follow-up data. Investigators hypothesize that both PSR-TH and the control intervention will demonstrate strong feasibility (i.e., recruitment of at least 1 participant per week, \>75% retention, \>95% interventionist fidelity, and adequate acceptability, credibility, and burden). Investigators also hypothesize that specific biopsychosocial variables will moderate PSR-TH-related changes in outcomes, and that PSR-TH-related changes in perceived control over pain, self-efficacy, coping, parafunctional habits, and relaxation will mediate treatment effects.
NCT07573137
The purpose of this study is to compare the efficacy of a hard occlusal splint versus conservative therapy (using topical Ibuprofen gel and counseling) in the management of patients with temporomandibular (TMJ) joint disorders. The study aims to determine which treatment is more effective at reducing pain, measured by Visual Analogue Scale (VAS), at 1 week and 4 weeks post therapy.
NCT07385781
Temporomandibular joint disorder poses an intricate etiology. Biomechanical, neuromuscular and psychosocial factors may contribute to the disorder among which psychological and psychosocial disturbances have shown strong direct or indirect contribution to the disease especially when the pain is of muscular origin.
NCT03083405
Sleep apnea is a common and serious health problem in the Polish population. According to epidemiological data problem concerns about 7% of the adult population. The most common sleep disorder is obstructive sleep apnea (OSA). The consequence of episodes of airway obstruction and sleep fragmentation is an inefficient sleep, pathological daytime sleepiness, falling asleep involuntarily, awakening with feelings of shortness of breath or throttling. The direct consequences of sleep apnea are hypoxia, increased heart rate and increased blood pressure. Frequent complications of OSA are hypertension, stroke, cardiac arrhythmia, coronary artery disease and pulmonary hypertension. An additional problem in patients with sleep apnea is an increased incidence of bruxism. Bruxism is a common problem; reports of prevalence range from 8-31% in the general population. The most common symptoms of bruxism include: hypersensitive teeth, tooth wear, damage to dental restorations (e.g. crowns and fillings), damage to periodontal and oral mucosa, masticatory muscle pain and headaches. The etiology of bruxism is multifactorial and not fully understood. It can be caused by biologic, psychologic and exogenous factors. Arousals during the apnea episodes are considered to be a major cause of sleep bruxism in OSA patients. The relationship between OSA and sleep bruxism is still not clearly defined. Further research is needed to help explain the relationship between these two phenomena, which will enable further therapy in patients with coexisting OSA and sleep bruxism (SB).
NCT07445516
Chronic temporomandibular disorders (TMDs) affect the masticatory muscles, the temporomandibular joints (TMJs), and associated structures. Except in cases of trauma, their etiology remains uncertain, debated, and multifactorial. Conservative therapies-including no active intervention-often alleviate symptoms; however, approximately 3% of the population develops persistent forms associated with substantial individual suffering and significant social and economic burden. At the Unit of Occlusion and Prosthodontics of the University of Santiago de Compostela (USC), Physiologically Oriented Occlusal Equilibration (POOE) has been used for chronic painful TMDs since 1985. POOE aims to correct unilateral mastication patterns and to establish appropriate non-working side contacts in order to protect the temporomandibular joints from mechanical overload. Singh (Cochrane, 2024) emphasized that occlusal interventions should be evaluated with long-term follow-up of at least 3-5 years. This is a single-blind study: the evaluator remains blinded to treatment allocation during outcome assessment. The aim of this observational study is to assess the long-term effectiveness of POOE treatments for chronic TMDs from 1985 to the present. Treatment effectiveness will be confirmed if the reduction in pain achieved with POOE is statistically significant and clinically meaningful (≥1.5/10 on a 0-10 visual analog scale) compared with sham therapy at ≥3 years post-intervention relative to baseline. Additionally, effectiveness will be supported if the proportion of individuals meeting criteria for chronic TMD ("affected") is lower in the POOE-treated group than in those receiving alternative therapies.
NCT04851301
This project examines, in chronic pain, the mechanisms of immersive virtual reality compared to the mechanisms of placebo hypoalgesia. The potential of developing new non-pharmacological premises for low-risk interventions for pain management is high.
NCT07423234
The goal of this clinical trial is to understand whether a simple education and self-management program with home exercises can reduce pain and improve daily function in adults with long-lasting jaw pain caused by temporomandibular disorders (TMD) as much as a more intensive hands-on physiotherapy approach. The main questions it aims to answer are: 1. Does an education and self-management exercise program reduce jaw pain, improve jaw function and reduce how much pain interferes with daily activities? 2. Does this program improve outcomes similarly to the usual treatment for TMDs, which includes also manual therapy and supervised exercise sessions? Researchers will compare an education and self-management program with home exercises to usual physiotherapy care to see which approach leads to better pain relief and daily functioning over time. Participants will: Attend three evaluation visits (at the start of the study, after 6 weeks, and after 16 weeks); Be assigned to one of two treatment groups: 1. A group receiving two physiotherapy-supervised education and self-management sessions with personalized home exercises; or 2. A group receiving six physiotherapy usual treatment sessions, which may include education, exercises, and hands-on therapy; Participants will complete questionnaires about: Jaw pain, Jaw function, Body pain, Neck disability, Oral behaviors, Pain catastrophizing, Fear of movement, Confidence in managing pain. Measures of mouth opening will be taken (non-painful, maximal and maximal with assistance) with a ruler at all time points. This study includes adults aged 18 to 65 years who have jaw pain for at least 3 months.
NCT07407127
Aim: This study aims to compare the static endurance of cervical region muscles, pressure pain thresholds of selected muscles of the stomatognathic system, and postural characteristics in young adults with and without temporomandibular joint dysfunction (TMD). Method: A total of 60 university students aged between 18 and 25 years will be included in the study. Participants will be divided into two groups: individuals with temporomandibular joint dysfunction (TMD group, n=30) and healthy controls (control group, n=30). The static endurance of cervical flexor and extensor muscles will be assessed using standardized endurance tests. Pressure pain thresholds of the temporalis, masseter, sternocleidomastoid, and upper trapezius muscles will be measured using a pressure algometer. Postural characteristics will be evaluated using the New York Posture Analysis (NYPA).
NCT06937502
Temporomandibular disorders (TMD) are among the most common causes of orofacial pain and refer to structural and functional impairments related to the masticatory muscles, surrounding soft tissues, and/or the temporomandibular joint (TMJ). They negatively affect individuals physically, psychologically, and socially. The structural and functional impairments observed in TMD typically manifest as pain, restricted jaw movement, joint sounds, and muscle tension. In addition to these core symptoms, secondary issues such as chewing difficulties may also occur. Pain in TMD can negatively impact many orofacial functions, especially chewing. Functional impairment in individuals with TMD may result from pain, restricted jaw mobility, muscle tension, alterations in muscle activation, mandibular asymmetry, and morphological changes in the joint. These findings highlight the importance of addressing factors associated with functional impairment in individuals with TMD. Pain severity is strongly associated with functional limitations of the TMJ and neck disability. Particularly in cases of muscular-origin TMD, significant impairments in neck muscle function and joint mobility have been observed. This condition directly affects jaw function and leads to a decrease in quality of life. The impact of TMD on quality of life is directly related to pain severity and functional limitations. As pain severity increases, limitations in daily activities and reductions in overall quality of life also increase. Therefore, a multidisciplinary approach to TMD is essential for pain management, functional rehabilitation, and improving quality of life. The aim of this study is to investigate the relationships between functionality and pain, range of motion, neck disability, and quality of life in individuals with TMD. Understanding these relationships will form a basis for the effective management of TMD and improving individuals' quality of life.
NCT07373184
A total TMJ replacement surgery is currently planned based on the X-ray appearance of the facial X-ray. It is now possible to use either an individually designed TMJ prosthesis or a prosthesis with a standard appearance. It is a significantly higher cost for treatment with an individually manufactured prosthesis, but it also provides the opportunity for virtual planning of the positioning of the jaws and prosthesis. By using a planning program with treatment simulation through the use of our own virtual models for standard prostheses, virtual planning of jaw and prosthesis positioning is possible even with a standardized temporomandibular joint prosthesis. In this way, the advantages of virtual planning are partly brought to the patients at a much lower price. This project aims to virtually plan treatment for patients with standardized temporomandibular joint prosthesis. Patients eligible for this study are included retrospectively (have already been treated). Their X-rays will be used for treatment planning and for comparison with the treatment outcome of previous TMJ treatment. The study will analyze the possibilities of the standardized prostheses to provide the same positions, temporomandibular joint replacements and movements of the jaw as an individual temporomandibular joint prosthesis has. This is done by measuring the planned positions of standardized temporomandibular joint prostheses compared to the treatment outcome shown by previous postoperative X-ray examinations. The study aims to clarify the possibilities of a simpler and less expensive technology, standardized temporomandibular joint prostheses, to achieve the same good treatment outcome as a more costly technology. This with the same possibilities for treatment planning and use that the existing, more expensive technology, individual temporomandibular joint prostheses, has today.
NCT07385742
Temporomandibular joint (TMJ) internal derangement is a common cause of temporomandibular disorders and is often associated with pain, restricted mandibular movement, joint sounds, and functional limitations during mastication and mouth opening. Various treatment modalities have been proposed to manage these symptoms, aiming to reduce pain and improve joint function. This randomized clinical study was conducted to compare the effectiveness of botulinum toxin type A (BOTOX) injection into the lateral pterygoid muscle versus intracapsular injection of injectable platelet-rich fibrin (I-PRF) in the management of TMJ internal derangement. A total of 20 patients diagnosed with TMJ internal derangement were randomly allocated into two equal groups. Group I received intracapsular I-PRF injections into the superior joint space of the temporomandibular joint, while group II received botulinum toxin injections into the lateral pterygoid muscle. Clinical evaluation was performed using subjective and objective parameters at one, three, and six months following treatment. Outcomes included assessment of pain, maximum mouth opening, mandibular movements, joint tenderness, and muscle tenderness upon palpation. Radiographic evaluation was conducted using magnetic resonance imaging (MRI) to assess intra-articular changes of the temporomandibular joint following the interventions. The study aimed to determine which treatment modality provided superior clinical and radiographic outcomes for the management of TMJ internal derangement.
NCT07371143
This study aimed to translate the Helkimo Clinical Dysfunction Index (HCDI) into Turkish and to test its validity and reliability as an outcome measurement method in individuals with temporomandibular dysfunction (TMD). The study included 40 patients. Participants' pain intensity and range of jaw movement were measured, followed by the administration of the HDCI, the Fonseca Anamnestic Index (FAI), and the Mandibular Function Impairment Questionnaire (MFIQ). For test-retest reliability, the same questionnaire was administered again to the same patients two weeks later, and the FAI was used to test the validity of the questionnaire.
NCT07371195
Upper cervical spine mobility plays a crucial role in temporomandibular joint (TMJ) function. This observational study investigates the relationship between upper cervical spine mobility and TMJ range of motion in patients diagnosed with temporomandibular disorders (TMD). Cervical hypomobility may restrict mandibular movement and contribute to TMJ dysfunction through shared biomechanical and neuromuscular mechanisms.
NCT06707467
Fifty-seven patients diagnosed with internal temporomandibular derangement will be included in the study and divided into three groups. All patients will be treated with a proven-effective occlusal splint. The first group will receive only occlusal splint therapy and will serve as the control group. The second group will receive occlusal splint therapy combined with Rocabado exercises, while the third group will receive occlusal splint therapy combined with postural exercises. Before the treatment process, all patients will complete the Temporomandibular Disorders Diagnostic Criteria (TMD-DC) form. Pain intensity will be measured using the Visual Analog Scale (VAS), pain thresholds will be assessed using an algometer, and the following evaluations will be performed: Cervical Posture Assessment (Craniovertebral Angle with Goniometer)-Cervical Range of Motion Assessment (C-ROM)-Cervical Deep Flexor Muscle Endurance Test-Neck Disability Assessment (NDI - Neck Disability Index)-Psychiatric Assessment (HADS - Hospital Anxiety and Depression Scale). After two months, patients will be recalled, and all tests will be repeated. The effectiveness of the three treatment protocols will then be evaluated.
NCT07329413
The aim of this study is to evaluate the impact of anterior disc displacement with reduction (ADDR) on postoperative pain following root canal treatment in patients diagnosed with symptomatic apical periodontitis.
NCT06977100
The goal of this clinical trial is to learn whether a 2-week gratitude journaling activity is feasible and acceptable for individuals with Temporomandibular Disorder (TMD) and chronic overlapping pain. The study will also look at whether this activity is helpful in reducing pain and how much it interferes with daily life. The primary aims of this study are to: * Assess whether individuals with TMD and chronic overlapping pain are able to complete the 2-week gratitude journaling activity as planned (feasibility). * Evaluate how acceptable participants find the gratitude journaling activity (acceptability). The secondary aim of this study is to: • Explore whether the gratitude journaling activity reduces pain and its impact on daily life, compared to a general wellness journaling activity. Participants will: * Attend two in-person visits to complete questionnaires and take part in tests that measure how sensitive they are to pressure and heat. * Complete a 2-week journaling activity at home, writing in their journal on three days of their choice per week.
NCT05318313
This study will compare after physical therapy for Temporomandibular Disorders (TMD) performed either in-person or virtually using telerehabilitation. Comparing diagnostic reliability and quality-of-life outcomes in each group will determine (based on a 10% margin) whether delivering physical therapy via telerehabilitation is as good as standard in-person care for these individuals. Long term outcomes including patient satisfaction, cost-effectiveness analysis, and functional status will describe the feasibility of telerehabilitation as a management intervention for this population.
NCT05914558
An observational study following up with trigeminal neuralgia patients to understand their comorbid facial pain condition, specifically temporomandibular disorder.
NCT07303361
Temporomandibular Disorders (TMD) are a common source of pain and functional limitation affecting the stomatognathic system. They frequently lead to difficulties in mastication, decreased quality of sleep, limited mandibular mobility, and restrictions in daily activities. These symptoms are often aggravated in patients with associated bruxism. Chronic involvement of the temporomandibular joint and surrounding structures can also negatively influence cervical posture and motor control due to the neurophysiological connections between the cranio-cervical region and mandibular biomechanics. This study is designed to evaluate whether active mandibular techniques, specifically the Muscle Energy Technique (MET) applied with the support of the jaw motion rehabilitation system, combined with a cranio-cervical therapeutic exercise program, may improve pain, function, and motor behavior in patients with chronic TMD and bruxism. The trial will be conducted as a randomized controlled study with two parallel groups. The experimental group will receive a mandibular MET intervention delivered once weekly for four weeks, using an active resistance and controlled movement protocol based on three cycles of isometric contraction and passive stretching. In addition, participants will perform daily cranio-cervical motor control exercises at home, with weekly supervision. These exercises aim to enhance neuromuscular regulation of deep cervical flexors and extensors and improve cervical dissociation, symmetry, and alignment. The control group will receive standard clinical care supplemented by a single session of a modified suboccipital inhibition technique acting as a placebo procedure. They will also perform non-specific cervical mobility exercises at home over a four-week period. The primary outcome will be the change in Pressure Pain Threshold (PPT) measured with a pressure algometer at trigger points located in the trapezius, masseter, external pterygoid, and digastric muscles. Secondary outcomes will include maximum mouth opening, pain intensity using a visual analog or numeric rating scale, craniocervical postural control assessed through standardized motor control evaluations, and mandibular movement behavior analyzed through visual or device-assisted kinematic assessment. Measurements will be taken at baseline, immediately after the intervention period, and during a follow-up assessment. Participants will be adults aged 18 to 65 years with a clinical diagnosis of TMD associated with pain for at least three months and bruxism. All participants must provide informed consent prior to inclusion. Individuals with congenital malformations or cervical spine pathology, acute infectious or inflammatory disease, vestibular dysfunction, technical contraindications, recent manual therapy treatment (within one month), or recent use of analgesic, muscle relaxant, or anti-inflammatory medication (within eight hours) will be excluded. The study aims to determine whether the application of active mandibular techniques combined with specific cervical motor control training results in superior improvements in function and pain compared to standard clinical management. Furthermore, the analysis will consider sex-related differences in baseline characteristics and treatment outcomes. Results from this trial may provide clinically relevant evidence to guide physiotherapeutic approaches for patients with TMD and bruxism, potentially improving therapeutic decision-making and long-term patient outcomes. The findings will be disseminated through publication in high-impact international journals and presentation at scientific conferences.
NCT06558318
The term "temporomandibular joint dysfunction" (TMJ dysfunction) refers to a range of anatomical and functional problems, with or without clinical signs and symptoms, that affect the TMJ and/or the chewing muscles. It is more frequent in women and young people ages between 20 and 40. Its frequency ranges from 28% to 88%. The term "temporomandibular joint dysfunction" (TMJ dysfunction) refers to a range of anatomical and functional problems, with or without clinical signs and symptoms, that affect the TMJ and/or the chewing muscles. It is more frequent in women and young people ages between 20 and 40. Its frequency ranges from 28% to 88%. This condition is frequently disregarded because of inadequate diagnosis . Additionally, TMJ dysfunction can particularly emerge in the early stages without the presence of pain. Due to the insidious onset of the disease, especially in the early stages, other TMJ-related factors, in addition to pain-related parameters, need to be considered.Therefore, the aim of the study is to investigate the effect of TME disorder on proprioception, body awareness, and pain-related parameters including pain threshold, pain tolerance, and temporal summation in young adults.