RCT of a Temporomandibular Joint Distraction Device for Patients With Articular Disorders Diagnosis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-01

Study Completion Date

2019-06-30

Brief Summary

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Articular Disc Displacements are the most common TMJ arthropathy and the articular distraction technique is one of the most common therapeutic resources. It is a technique almost exclusively performed by the physiotherapist and / or dentist, with repeated applications over an extended period of treatment, that can reach several weeks or months, difficult to perform manually by the patient on an ambulatory basis. Currently there are no ambulatory mandibular exercise devices that aim to execute articular distraction. Thus, the objective of this work was to study, design and develop a device capable of performing and / or assisting patients in the articular distraction maneuver.

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Detailed Description

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Temporomandibular disorders are considered a heterogeneous group of psychophysiological disorders of the stomatognathic system (Okeson 1985, Okeson 1993) covering a broad spectrum of muscular, skeletal or both, clinical problems (Nagamatsu-Sakaguchi, Minakuchi et al). They are often initiated by pain, joint sounds and limited function / mandibular movement, and are considered one of the main causal factors of non-dental orofacial pain (Rossetti et al., 2008, Makino, Masaki et al.; Magnusson 1999). Conservative and non-invasive treatment is considered as the one of choice at an early stage, since the symptomatology is usually reduced through the combined use of occlusal appliences, physiotherapy and medication. (De Leeuw, American Academy of Orofacial Pain et al., 2008) The dislocations of the articular disc are the most common arthropathy and are characterized by several stages of clinical dysfunction involving an abnormal interrelationship of the disc condyle complex (more often an anterior or anteromedial disc displacement) (Isberg-Holm and Westesson 1982 ). Pain (in acute cases), changes in mandibular movement pattern and joint noise are the most frequent symptoms.

The causes of disc displacements are not completely established. It has been postulated that, in most cases, the elongation or rupture of the condyle-disc ligaments allows displacement of the disc. (Stegenga, de Bont et al., 1991) Changes in lubrication and synovial fluid quality have also been suggested as possible etiological agents (Nitzan 2001). The presence of osteoarthritis may also precipitate changes in the condyle-disc complex. (De Leeuw, American Academy of Orofacial Pain et al., 2008) In addition to the intervention of the dentist with occlusal appliance (among other resources), mandibular physiotherapy aims to reduce musculoskeletal pain, promote muscle relaxation, reduce muscle hyperactivity, improve muscle control and function, and maximize joint mobility . In addition to the electrotherapeutic means there are several manual therapy techniques directed to TMJ that aim the joint decompression, fibrosis reduction and adhesions at the level of structures such as ligaments or joint capsule, recaptation of the articular disc or adaptation of the retrodiscal tissues. We are talking about intraoral techniques such as condylar distraction or specific exercises of joint mobility or muscle strengthening. (Craane, Dijkstra et al., 2012) In the specific case of joint disc displacements, the condylar distraction technique is one of the most used therapeutic resources. It is a technique that aims to increase the space between the mandibular condyle and the joint fossa of the temporal, decompressing the joint and promoting the adaptation of the articular tissues and / or the disc reuptake. It is a technique almost exclusively performed by the physiotherapist and / or dentist, with repeated applications over an extended period of treatment that can reach several weeks or months, difficult to perform by the patient at home (De Leeuw, American Academy of Orofacial Pain et al, 2008). There are currently only ambulatory mandibular exercise devices that aim to increase the range of mandibular movement through rotation, rototranslation, and condylar translation (eg, TheraPace Jaw Motion Rehab System, TheraPacer Jaw CPM ). None of these devices distracts the joint, so in cases of acute displacement of the disc, with the presence of retrodiscal pain, they may even be counterproductive. Thus, the development of an apparatus capable of performing or assisting patients in the condylar distraction maneuver could prove to be a valuable aid in the treatment of these conditions, increasing patient adherence and reducing costs related to a long treatment time.

Conditions

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TMJ Disc Disorder TMJ Pain TMJ Sounds on Opening/Closing the Jaw TMJ - Injury of Meniscus of Temporomandibular Joint

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

This is a randomized controlled clinical trial, in a unique investigation center, non-blinded, parallel-group, comparative and interpretive study of the results of clinical use of a TMJ distraction device in patients with diagnosis of Articular Disorders, compared to the traditional method of treatment using manual physiotherapy.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

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Study Groups

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Control Group

Control group of conventional therapy with manual distraction performed by the physiotherapist in the office (active comparator)

Group Type ACTIVE_COMPARATOR

Conventional Physical Therapy

Intervention Type DEVICE

Conventional Physical Therapy, performed in office by a experienced physical therapist for the TMJ condition.

Distractor Test Group

Test group with manual distraction performed by the physiotherapist in the office and the condylar distraction performed by the patient with the condylar distraction device in an ambulatory basis.

Group Type EXPERIMENTAL

TMJ Condilar Distraction Device

Intervention Type DEVICE

The patients will perform condylar distraction with the condylar distraction device in an ambulatory basis.

Interventions

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TMJ Condilar Distraction Device

The patients will perform condylar distraction with the condylar distraction device in an ambulatory basis.

Intervention Type DEVICE

Conventional Physical Therapy

Conventional Physical Therapy, performed in office by a experienced physical therapist for the TMJ condition.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Patients with a minimum of 18 years of age
2. Diagnosis by the Research Diagnostic criteria of Temporomandibular Disorders (RDC / TMD), of disk displacement with or without reduction, with or without opening limitation (Group IIa, IIb or IIc) and atralgia (Group IIIa)
3. Clinical indication for the proposed treatment

Exclusion Criteria

1. Patients \<18 years
2. Pregnant patients
3. Absence of posterior teeth (not rehabilitated), advanced periodontal disease in the posterior teeth or patients with total dentures that compromise the use of the device
4. Diagnosis by the Research Diagnostic criteria of Temporomandibular Disorders (RDC / TMD), of Osteoarthritis (Group IIIb) and Osteoarthrosis (IIIc)
5. Presence of contralateral TMJ pathology, with no clinical indication for the proposed treatment, limiting the patient's mandibular mobility and influencing patient rehabilitation (eg, ankylosis or myofibrotic contracture)
6. History of surgery at the ATM
7. Patients with systemic disease that may affect the TMJ
8. Aphasia, dementia, or known psychiatric or physical comorbidity that may interfere with communication or compliance during the rehabilitation process.
9. Patients blind, illiterate or with reduced cognitive abilities that may interfere with communication or compliance during the rehabilitation process.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No