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https://www.readbyqxmd.com/read/28326983/morphologic-and-morphometric-description-of-the-temporomandibular-joint-in-the-domestic-dog-using-computed-tomography
#1
Lenin A Villamizar-Martinez, Cristian M Villegas, Marco A Gioso, Alexander M Reiter, Geni C Patricio, Ana C Pinto
The temporomandibular joint (TMJ) in the domestic dog is a synovial joint with 2 articular surfaces, the mandibular fossa of the squamous portion of the temporal bone and the articular head of the condylar process of the mandible. Although different diagnostic imaging techniques have been used to study the TMJ in dogs, morphologic and morphometric studies based on computed tomography (CT) are scarce. The purpose of the present study was to describe the morphologic and morphometric features of the TMJ in domestic dogs using CT...
June 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28318925/retrospective-evaluation-of-three-different-joint-surgeries-for-internal-derangements-of-the-temporomandibular-joint
#2
Celal Candirli, Mehmet Demirkol, Onur Yilmaz, Sadi Memis
PURPOSE: To compare the outcomes achieved with eminectomy, discectomy alone, and discectomy with an abdominal dermis fat graft (D + ADFG) in the treatment of internal derangements (IDs) of the temporomandibular joint (TMJ), and to briefly discuss the failed cases in which a second operation was needed. PATIENTS AND METHODS: This was a retrospective study of 31 patients (27 females, 4 males) who were unresponsive to conservative therapy and therefore underwent eminectomy (group A, n = 6), discectomy alone (group B, n = 8), or D + ADFG (group C, n = 17)...
February 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318085/inflammatory-double-hit-model-of-temporomandibular-joint-disorder-with-elevated-ccl2-cxcl9-cxcl10-rantes-and-behavioural-hypersensitivity-in-tnfr1-r2-mice
#3
S L McIlwrath, R Nesemeier, F Ma, H S Oz, L Zhang, K N Westlund
BACKGROUND: Patients with temporomandibular joint disorders (TMD), reactive arthritis and rheumatoid arthritis often have combined etiology of hereditary and microenvironmental factors contributing to joint pain. Multiple clinical and animal studies indicate 'double-hit' inflammatory insults can cause chronic inflammation. The first inflammatory insult primes the immune system and subsequent insults elicit amplified responses. The present 'double hit' study produced a chronic orofacial pain model in mice with genetic deletion of both TNFα receptors (TNFR1/R2-/-), investigating the main nociceptive signalling pathways in comparisons to wild type mice...
March 20, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28317450/personality-traits-are-potentially-associated-with-the-presence-of-chronic-temporomandibular-joint-pain-in-patients-without-effusion-as-determined-by-t-2-weighted-magnetic-resonance
#4
Daniele Manfredini, Silvia Cerea, Chiara Pavan, Luca Guarda-Nardini
OBJECTIVE: The study aimed at investigating personality traits in chronic temporomandibular joints (TMJ) pain patients with and without joint effusion. METHODS: Two groups of chronic TMJ pain patients were recruited. The TMJ pain control group was composed of patients showing magnetic resonance imaging (MRI) signs of TMJ effusion, while the TMJ pain test group included patients with chronic TMJ pain seemingly not justified, due to the absence of MRI-detected disorders...
March 20, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28317439/patterns-of-cervical-and-masticatory-impairment-in-subgroups-of-people-with-temporomandibular-disorders-an-explorative-approach-based-on-factor-analysis
#5
Nikolaus Ballenberger, Harry von Piekartz, Mira Danzeisen, Toby Hall
OBJECTIVES: To identify clinical patterns of impairment affecting the cervical spine and masticatory systems in different subcategories of temporomandibular disorder (TMD) by an explorative data-driven approach. METHODS: For this observational study, 144 subjects were subdivided according to Research Diagnostic Criteria for TMDs into: Healthy controls, temporomandibular joint (TMJ) signs without symptoms, TMJ affected, temporomandibular muscles affected, or TMJ and muscles affected...
March 20, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28316925/reconstruction-of-nongrowing-hemifacial-microsomia-patient-with-custom-made-unilateral-temporomandibular-joint-total-joint-prosthesis-and-orthognathic-surgery
#6
Payam Farzad
A case of hemifacial microsomia in a young male is presented. The ascending ramus and condyle was reconstructed utilizing virtual 3D planning with a custom-made total TMJ device (TMJ Concepts, USA) in combination with conventional orthognathic surgery. The alternative available reconstructive options are discussed and the advantages and disadvantages of the technique selected.
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28314662/synovial-chondromatosis-of-the-temporomandibular-joint-with-extension-into-the-middle-cranial-fossa-and-internal-carotid-canal
#7
C McCaffery, M Dodd, F Bekiroglu, E Twohig
This report presents the case of an extensive synovial chondromatosis of the temporomandibular joint (TMJ), with extension into the middle cranial fossa, middle ear, and carotid canal. Synovial chondromatosis of the TMJ is rare, particularly when associated with intracranial involvement. This case is unique owing to its size and the involvement with the internal carotid artery. The importance of a multidisciplinary approach in the surgical management of such a rare and complex form of this condition is highlighted...
March 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28296738/clinical-efficacy-of-a-centric-relation-occlusal-splint-and-intra-articular-liquid-phase-concentrated-growth-factor-injection-for-the-treatment-of-temporomandibular-disorders
#8
Jung-Wu Yang, Yi-Chia Huang, Shang-Liang Wu, Shun-Yao Ko, Chiang-Chin Tsai
The agony that accompanies the incidence and symptoms of temporomandibular disorders (TMDs) is an important concern in the oral and maxillofacial region. The objective of this study was to explore the clinical findings after centric relation occlusal splint (CROS) treatment and intra-articular injection treatment with liquid phase concentrated growth factors (LPCGFs) in patients with disc displacement without reduction (DDWOR).The group under investigation of this retrospective cohort study included patients with DDWOR who received treatment from April 2014 until March 2016...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28294697/efficacy-of-low-level-laser-therapy-in-subjective-tinnitus-patients-with-temporomandibular-disorders
#9
Nermin Demirkol, Aslihan Usumez, Mehmet Demirkol, Fatih Sari, Cihan Akcaboy
OBJECTIVE AND BACKGROUND: Tinnitus is an apparent sound, perceived in the ear with no stimulus. It has been described as a sound originating from the brain. It affects 17% of the general population. Etiological factors for tinnitus include temporomandibular joint disorders (TMJ, TMD) and Costen's syndrome. The aim of treatment is to eliminate the tinnitus or at least decrease its apparent volume. MATERIALS AND METHODS: In total, 46 patients referred to our department with bilateral subjective tinnitus with TMDs were selected for this study...
March 14, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28288478/benign-temporomandibular-joint-lesions-presenting-as-masses-in-the-external-auditory-canal
#10
Ryan A Williams, Robert K Jackler, C Eduardo Corrales
OBJECTIVE: Describe benign lesions arising from the temporomandibular joint (TMJ) that presented as masses in the external auditory canal (EAC). STUDY DESIGN: Retrospective case series of two academic medical centers. PATIENTS: Six patients with lesions emanating from the TMJ that presented as EAC masses. Lesions included pigmented villonodular synovitis (PVNS), nodular fasciitis, foramen of Huschke herniation with salivary fistula, fibroepithelial polyp, superficial angiomyxoma, and giant cell tumor (GCT)...
April 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28287946/mr-imaging-of-the-temporomandibular-joint-in-juvenile-idiopathic-arthritis-technique-and-findings
#11
María Navallas, Emilio J Inarejos, Estíbaliz Iglesias, Gui Youn Cho Lee, Natalia Rodríguez, Jordi Antón
The term juvenile idiopathic arthritis (JIA) encompasses a group of arthritides of unknown cause that begin before 16 years of age and last for at least 6 weeks. Temporomandibular joint (TMJ) involvement has been described in up to 87% of children with JIA and has been associated with all JIA subtypes. TMJ involvement is difficult to detect clinically. In one study, 71% of JIA patients with active TMJ synovitis were asymptomatic and 63% had normal physical examination results. Moreover, the main growth center of the mandible is located in the condyle, separated from the joint space by only a thin layer of fibrocartilage...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28286383/the-efficacy-of-platelets-rich-plasma-injection-in-the-superior-joint-space-of-the-tempromandibular-joint-guided-by-ultra-sound-in-patients-with-non-reducing-disk-displacement
#12
Ra'ed M Ayoub Al-Delayme, Shefaa H Alnuamy, Firas Taha Hamid, Tariq Jassim Azzamily, Salah AbdulMahdy Ismaeel, R Sammir, M Hadeel, Jafaar Nabeel, R Shwan, Shahad Jamal Alfalahi, Alaa Yasin
OBJECTIVE: The objective of this study was to determine average improvement during the rest and active mouth opening after ultrasound guided platelets rich plasma injection in the tempromandibular superior joint space for the patients complaining from non-reducing disk displacement. PATIENTS AND METHODS: Thirty-four patients with non-reducing disk displacement underwent guided ultrasound injection of platelet rich plasma to the upper joint space. The extent of maximal mouth opening, chewing efficiency, sound intensity of the TMJ, and tenderness of the TMJ and the masticatory muscles at rest, motion and mastication were thoroughly assessed at the beginning of the study and scheduled for next follow-up at 1st, 3rd, and 6th months...
March 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28283096/impact-of-routine-open-mouth-osseous-temporomandibular-joint-tomography-on-diagnosis-and-therapeutic-options
#13
Asma'a Abdurrahman Al-Ekrish, Eman A AlKofide, Maysara Dawood Al-Shawaf, Nasser S Nooh, Rawan Dammak Daabash, Munerah Alsanouni, Dania Tamimi
OBJECTIVES: The aim of this study was to evaluate the impact of routine open mouth osseous temporomandibular joint (TMJ) tomography on diagnosis and treatment planning of TMJ conditions. Investigating the need for such images is important to justify the additional radiation exposure imparted by such procedures. STUDY DESIGN: The records of patients who underwent closed- and open-mouth osseous TMJ tomography (planar film tomography up to the beginning of 2006; cone beam computed tomography from 2006 onward) were reviewed...
April 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28282029/distribution-of-pericellular-matrix-molecules-in-the-temporomandibular-joint-and-their-chondroprotective-effects-against-inflammation
#14
Wern Cui Chu, Shipin Zhang, Timothy J Sng, Yu Jie Ong, Wen-Li Tan, Vivien Y Ang, Casper B Foldager, Wei Seong Toh
The objectives of this study were to (1) determine the distribution and synthesis of pericellular matrix (PCM) molecules (collagen VI, collagen IV and laminin) in rat temporomandibular joint (TMJ) and (2) investigate the effects of PCM molecules on chondrocytes against inflammation in osteoarthritis. Four zones (fibrous, proliferating, mature and hypertrophic) of condylar cartilage and three bands (anterior, intermediate and posterior) of disc were analysed by immunohistochemistry for the presence of PCM molecules in rat TMJs...
March 10, 2017: International Journal of Oral Science
https://www.readbyqxmd.com/read/28281597/would-the-introduction-of-the-index-of-orthognathic-functional-treatment-need-ioftn-affect-referrals-and-acceptance-of-people-for-orthognathic-treatment
#15
S Barber, Z Jawad, T Hodge, C Bates
Introduction The Index of Orthognathic Functional Treatment Need (IOFTN) was developed to measure functional difficulties arising from malocclusions related to facial deformity. The IOFTN is not currently being used to determine suitability for orthognathic treatment, however, it is a useful aid for assessing and referring patients and takes into account functional and facial appearance. This paper aims to evaluate the potential impact of introduction of the IOFTN on the future provision of orthognathic services...
March 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28279055/-mri-analysis-of-the-effect-on-mandibular-retrusion-with-anterior-disc-displacement-treated-by-using-herbst-appliance
#16
X Yu, J Q Liu, L J Yuan, L X Mao, M Zhu, B Fang
Objective: To investgate the effect of Herbst appliance on the growth and remodeling of the temporomandibular joint (TMJ) in class Ⅱ patients with mandibular retrusion by using MRI. Methods: Between December 2010 and October 2014, 12 class Ⅱ patients (11-16 years old) with mandibular retrusion were chosen. The patients were divided into two groups. The control group included 7 patients (14 joints) with normal disc condyle relationship and the anterior disc displacement (ADD) group included 5 patients (10 joints) with anterior disc displacement...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28279054/-physical-therapy-for-temporomandibular-joint-anterior-disc-displacement-without-reduction
#17
B Cai
Temporomandibular joint (TMJ) anterior disc displacement without reduction (ADDwoR) is a common type of temporomandibular joint disorders. Most patients experience limited mouth opening and joint pain at the same time. The standpoint of physical therapy is the function of the joint instead of the displaced disc. The treatment aims to make symptoms disappeared and joint function regained through 3M techniques, including modality, manual and movement. For ADDwoR patients with limited mouth opening within 2 month, manual therapy may reposition disc and the following splint and movement therapy can maintain disc-condyle relationship...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28279053/-intra-articular-injections-of-hyaluronic-acid-for-anterior-disc-displacement-of-temporomandibular-joint
#18
X Long
Anterior disc displacement (ADD) of temporomandibular joint (TMJ) is regarded as one of the major findings in temporomandibular disorders (TMD). It is related to joint noise, pain, mandibular dysfunction, degenerative change and osteoarthritis. In the mean time, the pathological changes were found in synovial membrane and synovial fluid. Hyaluronic acid is a principal component of the synovial fluid which plays an important role in nutrition, lubrication, anti-inflammation and cartilage repair. The synthesis, molecule weight, and concentration of hyaluronic acid are decreased during TMD and cause TMJ degenerative changes...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28279052/-the-relationship-between-temporomandibular-joint-disc-displacement-and-condylar-resorption-and-the-comprehensive-treatment-protocol
#19
C Yang
Temporomandibular joint (TMJ) anterior disc displacement (ADD) is one of the most common TMJ disease. However, the treatment of ADD have been far from reaching a consensus. In this article, we focused on the following three aspects: ①The relationship between ADD and condylar resorption. ②Whether disc reposition can stop condylar resorption or even make condylar regeneration. ③Proposing a more reasonable treatment pattern, that is TMJ-jaw-occlusion comprehensive treatment protocol.
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28279050/-adaptive-remodeling-of-temporomandibular-joint-following-anterior-disc-displacement-and-treatment-decision-making
#20
Z Y Gu
Anterior disc displacement (ADD) of temporomandibular joint (TMJ) is one of the common oral diseases. The TMJ can be remodeled after disc displacement. The author's recent studies show that remodeled bilaminar zone is similar to the disc in composition and functions. The remodeled condyle can match the disc-like bilaminar zone. The new disc-condylar relationship can, to a certain extent, restore the function of the TMJ. Based on these studies, the author believes that the adaptive remodeling in TMJ has important guiding significance for clinical treatment and discusses the views of the treatment decision for various stages of temporomandibular disorders...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
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