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Temporomandibular joint

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https://www.readbyqxmd.com/read/28328603/simultaneous-autologus-mandible-and-temporomandibular-joint-reconstruction
#1
Yigit Ozer Tiftikcioglu, Ersin Gur, Ufuk Bilkay
Ablative surgery of mandible often necessitates combined reconstruction of the mandible and the temporomandibular joint. Fibula-free flaps with gap arthroplasty or osseochondral grafts are common procedures in the authors' practice. In search for a better reconstructive option free fibula flap is used together with a metatarsal bone flap for the vascular reconstruction of the mandibular body and the condyle at the same time. The 2 osseous-free flaps have been fused and used as a combined flow through double-free flap...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28326983/morphologic-and-morphometric-description-of-the-temporomandibular-joint-in-the-domestic-dog-using-computed-tomography
#2
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/28326709/-cone-beam-computed-tomography-analysis-of-the-bony-structure-of-the-temporomandibular-joint-during-two-phase-treatment-with-herbst-appliance
#3
Chen Weiwei, Sang Ting, Huang Zhen, Wu Jun
OBJECTIVE: This study assessed the effects of two-phase treatment with Herbst appliance on the bony structure of the temporomandibular joint via cone beam computed tomography (CBCT) analysis. METHODS: This study selected 15 patients exhibiting early permanent dentition and classⅡmalocclusion combined with mandibular retrusion treated by a two phase treatment (Herbst and fixed appliance). The CBCT scans of the patients were obtained at the following stages: 2 weeks before Herbst treatment (T1), at the start of treatment when the Herbst appliance was set in place (T2), immediately after removal of the Herbst appliance (T3), and immediately after removal of the edgewise appliance (T4)...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28318925/retrospective-evaluation-of-three-different-joint-surgeries-for-internal-derangements-of-the-temporomandibular-joint
#4
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/28318915/computer-assisted-positioning-of-the-proximal-segment-after-sagittal-split-osteotomy-of-the-mandible-preclinical-investigation-of-a-novel-electromagnetic-navigation-system
#5
Igor Nova, Sebastian Kallus, Moritz Berger, Oliver Ristow, Urs Eisenmann, Christian Freudlsperger, Jürgen Hoffmann, Hartmut Dickhaus
INTRODUCTION: Modifications of the temporomandibular joint position after mandible osteotomy are reluctantly accepted in orthognathic surgery. To tackle this problem, we developed a new navigation system using miniaturized electromagnetic sensors. Our imageless navigation approach is therefore optimized to avoid complications of previously proposed optical approaches such as the interference with established surgical procedures and the line of sight problem. MATERIAL AND METHODS: High oblique sagittal split osteotomies were performed on 6 plastic skull mandibles in a laboratory under conditions comparable to the operating theatre...
February 17, 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
#6
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
#7
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
#8
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
#9
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/28315965/evaluation-of-oral-manifestations-of-patients-with-mucopolysaccharidosis-iv-and-vi-clinical-and-imaging-study
#10
Renata Quirino de Almeida-Barros, Paula Frassinetti Vasconcelos de Medeiros, Marcella Quirino de Almeida Azevedo, Adriana de Oliveira Lira Ortega, Angela Toshie Araki Yamamoto, Sheyla Kátia Lúcio Dornelas, Patrícia Meira Bento
OBJECTIVE: The aim of this study is to assess oral manifestations in patients with mucopolysaccharidosis IV (MPS IVA) and mucopolysaccharidosis VI (MPS VI). MATERIALS AND METHODS: Seventeen patients were assessed, nine with MPS IVA and eight with MPS VI, treated at the Medical Genetics Outpatient Clinic of Hospital Universitário Alcides Carneiro (HUAC) in Campina Grande, Paraíba State, Brazil. Assessments included clinical and intraoral examinations, analysis of occlusal function, and panoramic X-rays...
March 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28314662/synovial-chondromatosis-of-the-temporomandibular-joint-with-extension-into-the-middle-cranial-fossa-and-internal-carotid-canal
#11
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/28298998/condylar-intramedullary-intraosseous-lipoma-contribution-of-a-new-case-and-review-of-the-literature
#12
Alba Sanjuan, Alicia Dean, Blas Garcia, Francisco Alamillos, Elisa Roldan, Antonio Blanco
BACKGROUND: Lipoma is the most common benign tumour of the human body, being intraosseous involvement very rare. Just 1 to 4% of all cases of lipoma are located in the oral cavity, only 0.1% being intraosseous. The jaw is its most uncommon bone location. Etiology of intraosseous lipoma (IOL) is unknown, although several theories have been proposed. Usually asymptomatic, the symptoms, when present, will depend on its location and size. Its origin may be intraosseous or juxtacortical. A biopsy is essential for diagnosis, and definitive treatment involves resection or curettage of the lesion...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28298985/computed-tomography-assessment-of-temporomandibular-joint-position-and-dimensions-in-patients-with-class-ii-division-1-and-division-2-malocclusions
#13
Hande Gorucu-Coskuner, Semra Ciger
BACKGROUND: This study aimed to investigate and compare the positions and dimensions of the temporomandibular joint and its components, respectively, in patients with Class II division 1 and division 2 malocclusions. MATERIAL AND METHODS: Computed tomography images of 14 patients with Class II division 1 and 14 patients with Class II division 2 malocclusion were included with a mean age of 11.4 ± 1.2 years. The following temporomandibular joint measurements were made with OsiriX medical imaging software program...
March 2017: Journal of Clinical and Experimental Dentistry
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
#14
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/28296040/maxillofacial-trauma-patterns-associated-with-external-auditory-canal-fractures-cone-beam-computed-tomography-analysis
#15
Ibrahim K Ali, Kaustubh Sansare, Freny R Karjodkar, Prashant Salve, Kavita Vanga, Ajinkya M Pawar
BACKGROUND/ AIMS: There is a paucity of literature on EAC fractures secondary to maxillofacial trauma, with most of the literature on EAC fractures consisting of isolated case reports. To the authors' best knowledge, this is the first study to use Cone Beam Computed Tomography to evaluate the EAC region. The aim of this study was to assess the prevalence of external auditory canal (EAC) fracture following maxillofacial trauma and to evaluate the association between EAC fracture and other maxillofacial fractures and the region of trauma...
March 15, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28294697/efficacy-of-low-level-laser-therapy-in-subjective-tinnitus-patients-with-temporomandibular-disorders
#16
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/28290310/a-secondary-mandibular-condylar-articulation-and-collateral-effects-on-a-late-neolithic-mandible-from-bois-madame-rockshelter-in-arbre-belgium
#17
Frank L'Engle Williams, Caroline Polet
A Neolithic Belgian mandible from Bois Madame rockshelter in Arbre presents an asymmetrical morphology resulting from a secondary, or false, articulation of the right mandibular condyle. The pathological articulation produced enlarged masseter, medial pterygoid and mylohyoid musculature on the right side as well as a flattening of the right incisal alveolus curvature. The secondary condylar articulation did not lead to pronounced asymmetry of attrition on the antimeres of the dental arcade. This is the most complete mandible from this Late Neolithic collective burial dating to the beginning of the Bronze Age circa 4000 years BP...
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28290229/incobotulinumtoxina-injection-for-temporomandibular-joint-disorder
#18
Amit A Patel, Michael Z Lerner, Andrew Blitzer
OBJECTIVES: Temporomandibular disorder (TMD) involves dysfunction of the temporomandibular joint and associated muscles of mastication causing pain with chewing, limitation of jaw movement, and pain. While the exact pathophysiology of TMD is not completely understood, it is thought that hyperfunction of the muscles of mastication places stress on the temporomandibular joint, leading to degeneration of the joint and associated symptoms. We hypothesize that chemodenervation of the muscles of mastication with IncobotulinumtoxinA (Xeomin) will decrease the stress on the temporomandibular joint and improve pain associated with temporomandibular joint and muscle disorder (TMJD)...
April 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28288478/benign-temporomandibular-joint-lesions-presenting-as-masses-in-the-external-auditory-canal
#19
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/28288293/prevalence-of-temporomandibular-dysfunction-and-its-association-with-malocclusion-in-children-an-epidemiologic-study
#20
Fundagül Bilgiç, İbrahim Erhan Gelgör
INTRODUCTION: Malocclusion is one etiological factor of temporomandibular joint disorder (TMD). This study investigates the prevalence of TMD and the relationship between TMD and the type of occlusion. STUDY DESIGN: A sample of 923 children (463 girls and 460 boys, ages 7-12 years old) was grouped not only by chronological age but also by gender. The information was collected on functional occlusion (anterior and lateral sliding, interferences), dental wear, mandibular mobility (maximal opening, deflection, deviation), and temporomandibular joint and muscular pain recorded by palpation...
2017: Journal of Clinical Pediatric Dentistry
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