Internal Derangement of Temporomandibular Joint - A Review

Devaraj, Sharmila; D, Dr. Pradeep

doi:10.9790/0853-13326673

Cited by 7 publications

(4 citation statements)

References 37 publications

(40 reference statements)

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“…The DD is the most common TMJ internal damage condition. It was diagnosed in the general population and is also present in children and adolescents [7,[39][40][41][42][43]. In the present study, the most common DD was DDwR, a result that is in agreement with several authors.…”

Section: Discussionsupporting

confidence: 93%

Severity of Temporomandibular Joint Disc Displacement and Generalized Joint Hypermobility in Growing Patients: A Cross-Sectional Magnetic Resonance Image Study

De Stefano,

Boboc,

Horodynski

et al. 2023

Applied Sciences

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Background: This study aimed to investigate the association between the internal derangement of the temporomandibular joint (TMJ), in particular the severity of disc displacement (DD), and the presence of generalized joint hypermobility (GJH) in growing patients evaluated on magnetic resonance images (MRIs). The study also investigated the relationship between the stages of DD severity and age. Methods: This cross-sectional study has been conducted on a pre-orthodontic population (8–16 years). The GJH was assessed with the Beighton test (cutoff ≥ 4) and the final sample of 56 patients was divided into two groups: a study group, 30 subjects with GJH, and a control group, 26 subjects without GJH. The disc position was evaluated on MRI and the severity of DD was classified in four stages. Pearson’s χ2 Test was performed for the analysis of the statistical correlation. Results: A statistically significant relationship between GJH and disc position was found, in particular, a disc displacement with reduction (DDwR) and DD severity. A positive association also emerged between the severity of DD and age, that increased with increasing age. Conclusions: The research results suggest that there is an association between the presence of generalized joint hypermobility (GJH) and disc displacement (DD) in growing patients. Growing patients with GJH showed a higher severity of DD. In older patients, greater severity of DD was evident, suggesting that this condition may worsen with age during growth.

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Section: Discussionsupporting

confidence: 93%

Severity of Temporomandibular Joint Disc Displacement and Generalized Joint Hypermobility in Growing Patients: A Cross-Sectional Magnetic Resonance Image Study

De Stefano,

Boboc,

Horodynski

et al. 2023

Applied Sciences

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“…The most frequent joint diagnoses in this study were retrodiscitis, OA and DDwR, which is similar to that reported in the literature. 17 , 18 On the other hand, the less frequent diagnoses were adherence/adhesion, ankylosis and luxation.…”

Section: Discussionmentioning

confidence: 99%

Assessment of mandibular kinematics values and its relevance for the diagnosis of temporomandibular joint disorders

Leissner

Maulén-Yáñez

Meeder-Bella

et al. 2021

Journal of Dental Sciences

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Background/purpose Temporomandibular disorders (TMD) are common conditions that involve the temporomandibular joints (TMJs), jaw muscles, or both, and can cause alteration in the mandibular kinematics. The aim of this study was to assess the relationship between mandibular kinematics and temporomandibular joint disorders (TMJD) as a clinical tool for evaluation and diagnosis of these patients. Materials and methods A retrospective study based on the analysis of the clinical findings from patients’ charts was carried out, with a sample size of 476 patients. Statistical analysis was made with chi-square test for qualitative variables and student t-test for quantitative variables. Then, odds ratio with its confidence interval were calculated. A p value < 0.05 was considered statistically significant. Results Most patients were female (80.7%) and between 16 and 25 years old. Disc displacement with reduction (DDwR) and subluxation were associated with increased kinematic parameters, while disc displacement without reduction (DDwoR) and retrodiscitis were associated with decreased kinematic values. A soft end feel was related to osteoarthritis (OA). Structural incompatibility was most prevalent in older patients. Conclusion Mandibular kinematic values are associated with specific temporomandibular joint disorders and could be considered as a useful clinical tool to perform the right diagnosis of TMJD.

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“…Of the 8 patients with no improvement in pain following eminectomy for NDDR, all presented with closed lock pre‐operatively with Wilkes stages III, IV and V. Many of these patients opted for eminectomy as the least invasive surgical option and majority also presented with some degree of meniscal disc adhesions, perforations and deformities.…”

Section: Discussionmentioning

confidence: 99%

Success rates and complications of eminectomies: a retrospective case series

et al. 2017

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Introduction: Eminectomy is the physical removal of the articular eminence to enable free movement of the condyle. The primary indication is to treat recurrent dislocation, although in the past it has been used for non-reducing disc displacement without reduction (NDDR). The established contraindication to the procedure is pneumatisation of the articular eminence or tubercle. Determining the success rates of eminectomies from previous papers are hampered by the lack of baseline objective measures needed to improve assessment of treatment outcomes. Methodology: A retrospective case series was conducted, in which written and computerised hospital records and images were analysed from 2007 to 2014, using a minimum data set developed by our unit to assess outcomes. These included indication for procedure, frequency of dislocation, interincisal distance, pre-operative imaging and objective pain scoring. Results: Twenty of twenty-eight (71%) patients receiving an eminectomy conformed to the minimum data set. Pain improvement was demonstrated in 60% of patients with both recurrent dislocation and NDDR. Complications occurred in 24% of eminectomies, all of which were temporary. Conclusions: Eminectomy is a safe and effective procedure for management of chronic temporomandibular joint dislocation in wellselected cases. However, the results were less predictable with NDDR. The recording of specific clinical information is required to improve comparing outcomes and we would recommend the use of a proforma such as one utilised in our study. There was no evidence that pneumatisation of the eminence was related to an adverse clinical outcome but further evidence is required to question this as a contraindication to eminectomy.

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Internal Derangement of Temporomandibular Joint - A Review

Cited by 7 publications

References 37 publications

Severity of Temporomandibular Joint Disc Displacement and Generalized Joint Hypermobility in Growing Patients: A Cross-Sectional Magnetic Resonance Image Study

Severity of Temporomandibular Joint Disc Displacement and Generalized Joint Hypermobility in Growing Patients: A Cross-Sectional Magnetic Resonance Image Study

Assessment of mandibular kinematics values and its relevance for the diagnosis of temporomandibular joint disorders

Success rates and complications of eminectomies: a retrospective case series

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