Posterior disc displacement of the temporomandibular joint: A rare case report

Afroz, Mds Shaista; Naritani, Mio; Hosoki, H; Matsuka, Yoshizo

doi:10.1080/08869634.2018.1509823

Cited by 5 publications

(4 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Anterior disc displacement without reduction (ADDNR): The posterior ligament of the disc is anterior to the condyle both in MIP and in the fully opened‐mouth position 23 Posterior disc displacement (PDD): The disc is displaced posterior to the 12:00 position on top of the condyle 24,25 Single sideways disc displacement (single SW): The disc is laterally displaced in the coronal direction towards the medial or lateral pole; no anteroposterior abnormalities are observed in the sagittal plane 26 …”

Section: Methodsmentioning

confidence: 99%

“…23 d. Posterior disc displacement (PDD): The disc is displaced posterior to the 12:00 position on top of the condyle. 24,25 e. Single sideways disc displacement (single SW): The disc is laterally displaced in the coronal direction towards the medial or lateral pole; no anteroposterior abnormalities are observed in the sagittal plane. 26 f. ADDR with SW: ADDR and SW coexisting.…”

Section: Evaluationofosseouschangesofthecondylementioning

confidence: 99%

See 1 more Smart Citation

Risk estimation of degenerative joint disease in temporomandibular disorder patients with different types of sagittal and coronal disc displacements: MRI and CBCT analysis

Fan

Xiong

Cheng

et al. 2022

J of Oral Rehabilitation

View full text Add to dashboard Cite

Background Degenerative joint disease (DJD) can be associated with disc displacement (DD) in temporomandibular disorder (TMD) patients. However, the relationship between different types of DDs and DJD remains unclear. Objectives To investigate the odds ratios of different types of sagittal and coronal DDs confirmed by magnetic resonance imaging (MRI) and DJD confirmed by cone‐beam computed tomography (CBCT) in TMD patients. Methods Radiographic data from 69 males and 232 females were collected for analysis. CBCT was used to diagnose DJD, with criteria including erosion, osteophytes, generalised sclerosis and cysts in the joint. Eight types of DDs were evaluated by sagittal and coronal MRIs: NA, no abnormality; SW, sideways; ADDR, anterior with reduction; ADDR+SW; ADDNR, anterior without reduction; ADDNR + SW; single SW; PDD, posterior; PDD + SW. The odds ratios of DJD in joints with different types of DDs were determined after joint correlation, age and gender adjustment. Results Compared with NA, the odds ratio of DJD in ADDR was 2.397 (95% CI [confidence interval]: 1.070–5.368), ADDR + SW was 4.808 (95% CI: 1.709–3.528), ADDNR was 29.982 (95% CI: 15.512–57.950) and ADDNR + SW was 25.974 (95% CI: 12.743–52.945). Erosion was significantly increased in ADDR, ADDR + SW, ADDNR and ADDNR + SW; osteophytes were significantly increased in ADDR + SW, ADDNR and ADDNR + SW; and generalised sclerosis and cysts were significantly increased in ADDNR and ADDNR + SW. There were no significant associations between single SW, PDD, PDD + SW and the DJD. Conclusions ADDR, ADDR+SW, ADDNR and ADDNR+SW were associated with DJD. ADDNR had a significantly higher prevalence of DJD than ADDR. There were no significant relationships between single SW, PDD, PDD + SW and the DJD.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Evaluationofosseouschangesofthecondylementioning

confidence: 99%

Risk estimation of degenerative joint disease in temporomandibular disorder patients with different types of sagittal and coronal disc displacements: MRI and CBCT analysis

Fan

Xiong

Cheng

et al. 2022

J of Oral Rehabilitation

View full text Add to dashboard Cite

show abstract

“…Redüksiyonsuz disk deplasmanında ise açık-ağız görüntüde konveks ve biplanar iken kapalı-ağız görüntüde semptomatik bireylerde katlanmış, asemptomatik bireylerde konveks yapı sergilemektedir. 47 Afroz ve arkadaşları 48 , nadir gözlenen posterior disk deplasmanının OPG'de deplasman görüntüsü vermediğini, MRG'de açık ve kapalı ağız radyografilerinde görülebildiğini bildirmiştir.…”

Section: Manyetik Rezonans Görüntülemeunclassified

Imaging methods used in the diagnosis of temporomandibular joint disorders

ERDEN

Karakış

2022

Mersin Üniversitesi Sağlık Bilimleri Dergisi

View full text Add to dashboard Cite

Temporomandibular eklem düzensizliği, çiğneme kasları ile eklemin sert ve yumuşak dokularını etkileyen ve toplumda yaygın gözlenen bir hastalıktır. Teşhise karar verme sürecinde anamnez ve klinik muayene yanında radyolojik değerlendirme de yapılır. Temporomandibular eklem görüntülenmesinde, sert ve yumuşak dokuların anatomik bütünlüğünün değerlendirildiği ya da metabolik değişimlerin incelendiği çeşitli görüntüleme yöntemleri kullanılmaktadır. Kullanılacak yöntem patolojiye uygunluk, radyasyon dozu, maliyet, yararlılık, ulaşılabilirlik gibi faktörlere göre seçilmelidir. Bu derlemede temporomandibular eklem yapılarının değerlendirilmesinde kullanılan direkt radyografi yöntemlerinden panoramik, transkraniyel, transfaringeal, transmaksiller, submentoverteks, transorbital, reverse towne, posterior-anterior radyografileri, lateral ve posteroanterior sefalometri, dijital substraksiyon radyografisi ile dijital floroskopi, konvansiyonel, bilgisayarlı ve konik ışınlı bilgisayarlı tomografi, manyetik rezonans görüntüleme, artrografi, ultrasonografi ve radyonüklid görüntüleme yöntemleri incelenmiştir. Yöntemlerin endikasyonları, avantaj ve dezavantajları özetlenmiş ve birbiri ile karşılaştırıldığı çalışmalardan bahsedilmiştir.

show abstract

“…A sudden appearance of POB can be caused by joint effusion from mandibular trauma or an acute episode of rheumatoid arthritis, 10 as well as hemarthrosis from anticoagulant therapy 26 or hemophilia. 27 Posterior disc displacement, 28,29 posterior displacement of the posterior fragment after a TMJ disc fracture 12 and increased posterior thickness of the retrodiscal tissue 11 can all cause a mandibular closing disturbance just before complete mouth closure, hence the occurrence of POB.…”

Section: Tmjmentioning

confidence: 99%

<p>Review of Etiology of Posterior Open Bite: Is There a Possible Genetic Cause?</p>

Huang¹,

Shan²,

Ang³

et al. 2020

CCIDE

View full text Add to dashboard Cite

Posterior open bite (POB) is one of the most severe malocclusions that can impair patients' masticatory functions, yet it is also a condition that is poorly understood and not well studied. Most reported cases are either sporadic or idiosyncratic with a diverse yet poorly understood etiology. Although primary failure of eruption (PFE), lateral tongue thrust, and certain medical syndromes or pathology of the temporomandibular joints have all been shown to cause POB, the complex interplay of environmental and genetic factors makes its etiopathogenesis a difficult subject to understand and investigate. Here, we provide a comprehensive review of the etiology of posterior open bite. Additionally, a genetic cause for POB is proposed through a report of an apparently non-syndromic familial case series with high POB penetrance across two generations. Further investigations of the gene(s) and mechanism(s) involved can not only provide a unique opportunity to better understand POB and the intricate muscular-occlusal relationship, but also offer powerful insight into the most effective approaches to clinical management of these (and potentially other) malocclusions.

show abstract

Posterior disc displacement of the temporomandibular joint: A rare case report

Abstract: Conservative treatment was effective in managing the patient. A follow-up for 9 months with a repeat MRI was undertaken to monitor the progress.

Cited by 5 publications

References 13 publications

Risk estimation of degenerative joint disease in temporomandibular disorder patients with different types of sagittal and coronal disc displacements: MRI and CBCT analysis

Risk estimation of degenerative joint disease in temporomandibular disorder patients with different types of sagittal and coronal disc displacements: MRI and CBCT analysis

Imaging methods used in the diagnosis of temporomandibular joint disorders

<p>Review of Etiology of Posterior Open Bite: Is There a Possible Genetic Cause?</p>

Contact Info

Product

Resources

About