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https://www.readbyqxmd.com/read/29222966/optimizing-functional-outcomes-in-mandibular-condyle-reconstruction-with-the-free-fibula-flap-using-computer-aided-design-and-manufacturing-technology
#1
Z-Hye Lee, Tomer Avraham, Casian Monaco, Ashish A Patel, David L Hirsch, Jamie P Levine
PURPOSE: Mandibular defects involving the condyle represent a complex reconstructive challenge for restoring proper function of the temporomandibular joint (TMJ) because it requires precise bone graft alignment for full restoration of joint function. The use of computer-aided design and manufacturing (CAD/CAM) technology can aid in accurate reconstruction of mandibular condyle defects with a vascularized free fibula flap without the need for additional adjuncts. The purpose of this study was to analyze clinical and functional outcomes after reconstruction of mandibular condyle defects using only a free fibula graft with the help of virtual surgery techniques...
November 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29217866/airway-management-of-a-paediatric-patient-with-temporomandibular-joint-ankylosis-with-extra-hepatic-portal-vein-obstruction-splenomegaly-hypersplenism-and-obstructive-sleep-apnoea-for-shunt-surgery-a-unique-challenge
#2
Shiv Akshat, Shikha Jain, Puneet Khanna, Ravinder Kumar Batra
No abstract text is available yet for this article.
November 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29185288/imaging-in-axial-spondyloarthritis
#3
REVIEW
Xenofon Baraliakos
Axial spondyloarthritis (axSpA) covers the stage of non-radiographic axial spondyloarthritis (nr-axSpA) and classic ankylosing spondylitis. The pathognomonic findings of axSpA are mainly inflammatory and osteoproliferative changes in the sacroiliac joints (SIJ) and the spine. Various imaging techniques are being used in daily practice for assessment of disease-specific changes, such as periarticular bone marrow edema, erosions, sclerosis, fat metaplasia and ankylosis in the SIJ or spondylitis, spondylodiscitis, facet joint involvement, or syndesmophytes in the spine of patients with axSpA...
November 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29177804/mri-of-the-sacroiliac-joints-in-spondyloarthritis-the-added-value-of-intra-articular-signal-changes-for-a-positive-mri
#4
Frederiek Laloo, N Herregods, J L Jaremko, K Verstraete, L Jans
OBJECTIVE: To determine if intra-articular signal changes at the sacroiliac joint space on MRI have added diagnostic value for spondyloarthritis, when compared to bone marrow edema (BME). MATERIALS AND METHODS: A retrospective study was performed on the MRIs of sacroiliac joints of 363 patients, aged 16-45 years, clinically suspected of sacroiliitis. BME of the sacroiliac joints was correlated to intra-articular sacroiliac joint MR signal changes: high T1 signal, fluid signal, ankylosis and vacuum phenomenon (VP)...
November 27, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29177172/outcome-of-long-standing-ulno-humeral-dislocation-managed-by-open-reduction-and-stabilization-with-v-y-plasty-our-experience
#5
Vikram Khanna, Ashish Gupta, Sanjeev Kumar
Objective: To assess the outcome of long standing ulno-humeral dislocation managed by open reduction and stabilization with V-Y plasty. Methods: This cross sectional study included 14 patients with elbow dislocation that was more than 3 months without joint ankylosis, myositis ossificans or nerve injury. The surgical management not only included open reduction of the elbow joint, but also elongation of the triceps aponeurosis, collateral ligament repair along with the stabilization of the elbow joint...
October 2017: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/29164182/replantation-of-an-avulsed-tooth-after-one-day-of-storage-in-adverse-extraoral-dry-conditions-acceptable-outcome-after-a-10-year-follow-up
#6
Lluís Brunet-Llobet, Eduard Lahor-Soler, Jaume Miranda-Rius
This article reports a clinical case of a 10-year-old boy who sustained an avulsion of the maxillary right central incisor. The avulsed tooth was kept in adverse extraoral dry conditions for 26 hours from the moment of trauma until its replantation. Treatment guidelines for avulsed mature permanent teeth with closed apex were only partially followed. However, the clinical and radiographic findings after 10 years revealed acceptable functional outcome, in spite of ankylosis and root resorption of the replanted tooth, which was eventually treated cosmetically...
November 21, 2017: Quintessence International
https://www.readbyqxmd.com/read/29153709/cytokines-in-the-pathogenesis-of-hemophilic-arthropathy
#7
REVIEW
Piotr Wojdasiewicz, Łukasz A Poniatowski, Paweł Nauman, Tomasz Mandat, Agnieszka Paradowska-Gorycka, Katarzyna Romanowska-Próchnicka, Dariusz Szukiewicz, Andrzej Kotela, Łukasz Kubaszewski, Ireneusz Kotela, Iwona Kurkowska-Jastrzębska, Robert Gasik
Hemophilic arthropathy (HA) is one of the most common and typical manifestation in the course of recurrent bleeding episodes in patients with hemophilia. Clinical and subclinical joint bleeding episodes gradually lead to irreversible changes manifesting themselves as pain, progressing ankylosis, marked limitation of the range of motion, muscle atrophy and osteoporosis commonly concomitant with joint deformity resulting from chronic proliferative synovitis and both cartilage and bone degeneration leading to the final functional impairment of the joint...
November 13, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/29153240/acquired-abnormalities-of-the-temporomandibular-joint
#8
REVIEW
Anne-Frédérique Chouinard, Leonard B Kaban, Zachary S Peacock
Mandibular growth is a complex process that involves the "functional matrix," an interaction of the muscles of mastication, occlusion, and jaw function. Although not a typical growth center, the mandibular condyle has a significant effect on the ultimate size, shape and function of the mandible and secondarily on overall facial form. Acquired temporomandibular joint (TMJ)/condylar abnormalities, such as juvenile idiopathic arthritis, idiopathic condylar resorption, TMJ ankylosis, and condylar hyperplasia, often result in facial deformity and functional deficits...
February 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29153233/temporomandibular-joint-reconstruction-in-the-growing-child
#9
REVIEW
Cory M Resnick
Indications and considerations for reconstruction of the temporomandibular joint (TMJ) differ between growing and skeletally mature patients. Osteoarthritis, which is the most common cause of TMJ destruction in adults, is comparatively rare in children. The most common indications in young patients are congenital deformities, pathology, ankylosis and progressive resorptive processes. Options for reconstruction include distraction osteogenesis, autologous reconstruction (ie, costochondral graft, free fibula flap), and total alloplastic joint replacement...
February 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29126455/micrognathia-with-temporomandibular-joint-ankylosis-and-obstructive-sleep-apnea-treated-with-mandibular-distraction-osteogenesis-using-skeletal-anchorage-a-case-report
#10
Hiroshi Tomonari, Hiroko Takada, Tomofumi Hamada, Sangho Kwon, Tsuyoshi Sugiura, Shouichi Miyawaki
BACKGROUND: We describe the case of a 16-year-old female patient with micrognathia, temporomandibular joint (TMJ) ankylosis, and obstructive sleep apnea, who was treated with mandibular distraction osteogenesis (DO) combined with sliding genioplasty, using skeletal anchorage. CASE PRESENTATION: We first performed interpositional arthroplasty, in which an interposition of fascia temporalis and surrounding fat tissue was inserted into the defect after bilateral condylectomy, increasing the maximum mouth opening from 5...
November 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29113176/stereolithographic-model-assisted-reconstruction-of-the-mandibular-condyle-with-a-vascularized-fibular-flap-following-hemimandibulectomy-evaluation-of-morphological-and-functional-outcomes
#11
Hitoshi Yoshimura, Shinpei Matsuda, Seigo Ohba, Yoshiki Minegishi, Kunihiro Nakai, Shigeharu Fujieda, Kazuo Sano
The vascularized fibular flap is one of the standard treatment choices for the reconstruction of the mandible; however, the consequences of condylar restoration have not previously been reported. The use of three-dimensional models allows for a more predictable reconstruction. The purpose of the present study was to assess the outcome of stereolithographic model-assisted reconstruction of the mandibular condyle with a vascularized fibular flap. A total of 5 patients underwent mandibular resection including the condyle and immediate reconstruction with a vascularized fibular flap...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29108751/three-dimensional-reconstructions-of-ct-scans-and-cone-beam-ct-of-impacted-maxillary-canines-in-order-to-locate-areas-of-ankylosis-before-orthodontic-traction
#12
Florian Plaisance, Jean-Baptiste Kerbrat, Patrick Goudot
PURPOSE: The aim of this study was to model impacted maxillary canines and determine whether areas of ankylosis were present before undertaking orthodontic traction. MATERIAL AND METHODS: Amira/ResolveRT™ software, version 5.0, by FEI Company is a meshing and surface-rendering program that was used to produce three-dimensional reconstructions from CT scans and cone beam images of the impacted canines of 30 patients (10 cone beam files and 20 CT scan files). RESULTS AND DISCUSSION: The presence of zones of ankylosis on the roots of certain impacted canines is revealed by the inversion of the direction of meshing on the tooth surface and on a larger scale by invagination of bone tissue into the tooth tissue at various densities measured in Hounsfield units by the AMIRA™ software program...
November 3, 2017: International Orthodontics
https://www.readbyqxmd.com/read/29106474/open-versus-closed-surgical-exposure-for-permanent-impacted-canines-a-systematic-review-and-meta-analyses
#13
Chiara Cassina, Spyridon N Papageorgiou, Theodore Eliades
Background: Permanent canines are amongst the teeth most affected by impaction and ectopic eruption. Although impacted canines are often subjected to surgical exposure and alignment with either the open or the closed technique for many decades, their treatment effects have not yet been systematically asssessed. Objectives: The aim of this systematic review was to critically assess whether significant differences exist in the outcomes of the open or closed surgical exposure of impacted canines...
July 4, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29098006/formation-of-condyle-like-structure-after-treatment-of-temporomandibular-joint-ankylosis-literature-review-and-long-term-follow-up-of-two-patients
#14
Orhan Güven
Treatment of ankylosis is one of the greatest challenges in temporomandibular joint (TMJ) surgery. To provide a satisfactory mouth opening, as well as normal jaw function, and to prevent reankylosis in the long term are the most important principles in the treatment of TMJ ankylosis. These functions have been attained in both of the presented patients in the long term. It is known that heterotopic bone formation is rare in the maxillofacial area, but rapid bone regeneration which reconstitutes a new condyle is rarer...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/29090349/bone-disease-in-axial-spondyloarthritis
#15
REVIEW
Margot Van Mechelen, Giulia Rossana Gulino, Kurt de Vlam, Rik Lories
Axial spondyloarthritis is a chronic inflammatory skeletal disorder with an important burden of disease, affecting the spine and sacroiliac joints and typically presenting in young adults. Ankylosing spondylitis, diagnosed by the presence of structural changes to the skeleton, is the prototype of this disease group. Bone disease in axial spondyloarthritis is a complex phenomenon with the coexistence of bone loss and new bone formation, both contributing to the morbidity of the disease, in addition to pain caused by inflammation...
October 31, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29089655/development-of-a-minimally-invasive-approach-to-equine-cervical-articular-facet-joints-for-placement-of-an-nd-yag-laser
#16
Tara R Shearer, Marc A Kinsley, Anthony P Pease, Jon S Patterson
The purpose of this study was to develop a minimally invasive approach to equine cervical articular facet joints for application of an ND:YAG LASER and to evaluate the effects of the laser fiber on the surrounding tissue. Under general anesthesia, an ND:YAG LASER was used to apply 2000 J of energy to 5 cervical articular facet joints in 3 horses (15 joints total). Horses were euthanized and the cervical facets and spinal cords were examined grossly and histologically. Gross pathology of the articular facets revealed evidence of articular cartilage charring and diffuse roughening of the surface...
November 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29076326/orthognathic-treatment-of-facial-asymmetry-due-to-temporomandibular-joint-ankylosis
#17
Ayse Gulsen, Serhat Sibar, Selahattin Ozmen
The aim of this study was to present a case series of the orthognathic treatment of facial asymmetry due to temporomandibular joint (TMJ) ankylosis and to characterize the current treatment modalities through a literature review. Four patients who presented with facial asymmetry due to TMJ ankylosis between 2010 and 2014 were included in this study. TMJ ankylosis was surgically treated before bimaxillary surgery with advancement genioplasty in some of the cases. In 2 cases, 3-dimensional (3D) models were used for diagnosis and treatment planning, as 3D models are very important tools for planning surgical maneuvers...
October 27, 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29072225/bilateral-pediatric-mandibular-distraction-for-micrognathia-with-temporomandibular-joint-ankylosis-and-sleep-apnea
#18
S M Balaji
Mandibular retrognathism is one of the important contributing anatomical factors to the obstructive sleep apnea (OSA). Such patients suffer from number of apneic or hypopneic events during sleep such as snoring, daytime sleepiness, fatigue, inability to concentrate, and irritability. Distraction osteogenesis is a less invasive surgical technique in the management of OSA by correcting the reduced airway space. Apart from correcting functional disturbances due to OSA, it also corrects the facial profile resulting in the substantial improvement in cosmetic appearance...
September 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29067775/dual-phase-hybrid-18-f-fluoride-positron-emission-tomography-mri-in-ankylosing-spondylitis-investigating-the-link-between-mri-bone-changes-regional-hyperaemia-and-increased-osteoblastic-activity
#19
Lino M Sawicki, Susanne Lütje, Xenofon Baraliakos, Jürgen Braun, Julian Kirchner, Johannes Boos, Philipp Heusch, Verena Ruhlmann, Ken Herrmann, Lale Umutlu, Harald H Quick, Gerald Antoch, Christian Buchbender
INTRODUCTION: Focal (18) F-Fluoride uptake on blood-pool phase PET represents regional hyperaemia, while it indicates osteoblastic activity on mineralization phase PET. This study investigates the link between regional hyperaemia and osteoblastic activity in inflammatory and chronic lesions of ankylosing spondylitis (AS) of the sacroiliac joints (SIJ) using dual-phase (18) F-Fluoride PET/MRI. METHODS: Thirteen patients (six men, seven women, age: 37 ± 10 years) with active AS prospectively underwent dual-phase (18) F-Fluoride PET/MRI...
October 25, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29059718/the-first-record-of-incidences-of-ankylosis-in-seven-triplefin-fishes-pisces-tripterygiidae-from-new-zealand
#20
Laith A Jawad
Different cases of vertebral ankylosis were examined in seven tripterygiid species obtained from waters around New Zealand. The skeletal deformities observed are located in the caudal region of the vertebral column. Those occurred in Forsterygion nigripenne, Matanui bathytaton and in one specimen of Ruanoho whero were severe cases. The mechanism of the formation of vertebral ankylosis and the causes behind such anomaly were discussed. Further studies are needed to relate specific pollutants with the observed types of deformities...
October 23, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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