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https://www.readbyqxmd.com/read/29142869/temporomandibular-joint-synovial-chondromatosis-extending-to-the-temporal-bone-a-report-of-two-cases
#1
Dae-Hoon Kim, Eun Hee Lee, Eunae Sandra Cho, Jae-Young Kim, Kug-Jin Jeon, Jin Kim, Jong-Ki Huh
Synovial chondromatosis is a rare benign lesion originating from the synovial membrane. It presents as adhesive or non-adhesive intra-articular cartilaginous loose bodies. Although the causes of synovial chondromatosis have not been fully elucidated, inflammation, external injury, or excessive use of joints have been suggested as possible causes. Synovial chondromatosis has been reported to occur most frequently at large joints that bear weights, with a rare occurrence at the temporomandibular joint (TMJ). When synovial chondromatosis develops at TMJ, clinical symptoms, including pain, joint sounds, and mouth opening may common...
October 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/29125402/adolescent-internal-condylar-resorption-aicr-of-the-temporomandibular-joint-part-1-a-review-for-diagnosis-and-treatment-considerations
#2
Larry M Wolford, Aluisio Galiano
Background Adolescent internal condylar resorption (AICR) is a temporomandibular joint (TMJ) pathology that develops predominately in teenage females during pubertal growth (onset between ages 11 and 15 years), with a distinct clinical, radiographic, and magnetic resonance imaging (MRI) presentation. Clinical and imaging presentation The condition usually occurs bilaterally with: (1) Progressive retrusion of the mandible; (2) High occlusal plane angle facial morphology; (3) Worsening Class II occlusion; and (4) TMJ symptoms such as pain, headaches, noises, etc...
November 10, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29115378/synovial-fluid%C3%A2-derived-synovial-fragments-represent-an-improved-source-of-synovial-mesenchymal-stem-cells-in-the-temporomandibular-joint
#3
Yu Yao, Zheng-Yu Li, Hong Zhang, You-Hua Zheng, Li-Xiang Mai, Wen-Jing Liu, Zhi-Guang Zhang, Yang-Peng Sun
Surgery-obtained synovium specimens (SSSs) can provide a source of synovial mesenchymal stem cells (SMSCs) for experimental studies. However, these specimens contain diverse tissues, including the intima and subintima; therefore, these SMSCs are not entirely derived from the intima and their cell source is heterogeneous. The present study isolated synovial fragments (SFs) from synovial fluid dilutions extracted from patients with temporomandibular joint (TMJ) osteoarthrosis. Unlike SSSs, SFs, which are membranous and translucent, consist of only several cell layers, indicating the presence of only the intima...
October 25, 2017: International Journal of Molecular 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
#4
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/29098006/formation-of-condyle-like-structure-after-treatment-of-temporomandibular-joint-ankylosis-literature-review-and-long-term-follow-up-of-two-patients
#5
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/29078737/adolescent-internal-condylar-resorption-aicr-of-the-temporomandibular-joint-can-be-successfully-treated-by-disc-repositioning-and-orthognathic-surgery-part-2-treatment-outcomes
#6
Aluisio Galiano, Larry Wolford, João Gonçalves, Daniela Gonçalves
Objective To evaluate treatment outcomes for patients with TMJ adolescent internal condylar resorption (AICR) treated by a specific surgical protocol, including: (1) Removal of bilaminar tissue surrounding the condyle, (2) Articular disc repositioning with Mitek anchor technique, and (3) Concomitant orthognathic surgery. Methods This study evaluated 24 AICR patients treated by the specific surgical protocol with clinical subjective and objective examinations and lateral cephalogram assessments for surgical changes and long-term outcomes...
October 27, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29076326/orthognathic-treatment-of-facial-asymmetry-due-to-temporomandibular-joint-ankylosis
#7
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/29046240/comparison-of-temporomandibular-joint-and-ramus-morphology-between-class-ii-and-class-iii-cases-before-and-after-bi-maxillary-osteotomy
#8
Ran Iguchi, Kunio Yoshizawa, Akinori Moroi, Takamitsu Tsutsui, Asami Hotta, Ryota Hiraide, Akihiro Takayama, Tatsuya Tsunoda, Yuki Saito, Momoko Sato, Nana Baba, Koichiro Ueki
PURPOSE: The purpose of this study was to compare changes in temporomandibular joint (TMJ) and ramus morphology between class II and III cases before and after sagittal split ramus osteotomy (SSRO) and Le Fort I osteotomy. MATERIALS AND METHODS: The subjects were 39 patients (78 sides) who underwent bi-maxillary surgery. They consisted of 2 groups (18 class II cases and 21 class III cases), and were selected randomly from among patients who underwent surgery between 2012 and 2016...
September 22, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29040144/surgical-treatment-of-dentofacial-deformities-caused-by-juvenile-idiopathic-arthritis
#9
Patricia Stoor, Zlatan Hodzic, Sirpa Arte
The purpose of our retrospective study was to evaluate the results of orthognathic treatment, distraction osteogenesis, and/or prosthetic reconstruction of the temporomandibular joints in patients with juvenile idiopathic arthritis (JIA).Twelve patients with severely affected temporomandibular joints (TMJs) and reduced ramus height were treated with mandibular advancement with orthognathic surgery (11) and additional bilateral or unilateral mandibular ramus distraction (3) or additional bilateral or unilateral prosthetic reconstruction of the TMJ (3)...
October 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29017019/results-of-combined-single-session-arthrocentesis-and-dextrose-prolotherapy-for-symptomatic-temporomandibular-joint-syndrome-a-case-series
#10
Burak Cezairli, Efe Can Sivrikaya, Mehmet Melih Omezli, Ferhat Ayranci, Neslihan Seyhan Cezairli
OBJECTIVE: Arthrocentesis and prolotherapy are nonsurgical treatments for temporomandibular joint (TMJ) diseases. This study aimed to evaluate the treatment of hypermobility, pain, and displacement of the TMJ by consecutively performing arthrocentesis and prolotherapy in the same session. MATERIALS AND METHODS: In this study, 10 adults with disc displacement and painful, hypermobile TMJ were selected. Arthrocentesis and prolotherapy were consecutively performed using a 30% dextrose solution that was simultaneously injected into five areas: posterior disc attachment, superior joint space, superior and inferior capsular attachments, and stylomandibular ligament...
October 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28734995/senior-oral-and-maxillofacial-surgery-resident-confidence-in-performing-invasive-temporomandibular-joint-procedures
#11
Mohmedvasim Momin, Michael Miloro, Louis G Mercuri, Alexander Munaretto, Michael R Markiewicz
PURPOSE: The purpose of this study was to evaluate the level of confidence that senior-level oral and maxillofacial surgery (OMS) residents have in the management of temporomandibular joint (TMJ) disorders, determine their exposure to various invasive TMJ procedures during training, and assess their confidence in performing those procedures on completion of residency. MATERIALS AND METHODS: A questionnaire was designed, and a link to a University of Illinois at Chicago Qualtrics Survey platform (Qualtrics, Provo, UT) was e-mailed to all program directors at Commission on Dental Accreditation-accredited OMS training programs in the United States...
October 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28721990/neocondyle-distraction-osteogenesis-in-the-management-of-temporomandibular-joint-ankylosis-report-of-five-cases-with-review-of-literature
#12
Ravi Sharma, R Manikandhan, P Sneha, Anantanarayanan Parameswaran, J Naveen Kumar, Hermann F Sailer
INTRODUCTION AND OBJECTIVES: Management of temporomandibular joint (TMJ) ankylosis is a challenging and rather daunting task owing to complex abnormal anatomy and its sequel to craniofacial structures. Various autogenous grafts and alloplastic materials have been tried with variable success for creation of a near-normal joint. In recent years, neocondyle distraction has added a new dimension to the management of TMJ ankylosis. The aim of this paper is to describe the role of neocondyle distraction in TMJ ankylosis...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28712174/arthrocentesis-for-temporomandibular-joint-pain-dysfunction-syndrome
#13
Shahid Rauf Jamot, Zafar Ali Khan, Tahir Ullah Khan, Riaz Ahmad Waraich, Muhammad Farooq
BACKGROUND: Temporomandibular joint (TMJ) dysfunction is painful condition of facial musculoskeletal system. Arthrocentesis is less invasive treatment of TMJ dysfunctions. It has been used to treat variety of TMJ disorders. The objective of this study was to determine the success of arthrocentesis in TMJPDS patients where conservative treatment had failed. METHODS: This descriptive case study of 45 patients was completed in 6 months at Outpatient Department of Oral and Maxillofacial Surgery, Mayo hospital Lahore...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28711310/acquired-heterotopic-ossification-of-the-temporomandibular-joint
#14
REVIEW
L G Mercuri, B M Saltzman
Although the risk factors and diagnosis of heterotopic ossification (HO) are discussed in the orthopedics literature, the etiology of HO, as well as its prevention and management, remain theoretical. Furthermore, there is a lack of information in the literature regarding HO in temporomandibular joint replacement (TMJR). This article provides a qualitative review of information relative to the etiology, diagnosis, and management of HO to inform and encourage further investigation in TMJR. The orthopedic HO literature considered for this qualitative review was drawn from a comprehensive examination of the subject published previously by one of the authors...
July 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28691465/bilateral-coronoid-hyperplasia-a-report-of-six-cases
#15
M Romano, G Porcellini, D Rossi, A Bolzoni, A B Giannì, F J Silvestre, A Baj
Bilateral coronoid process hyperplasia is a rare condition defined as an abnormal elongation of the mandibular coronoid process, formed of histologically normal bone. Coronoid process hyperplasia usually develops progressively, and the clinical symptoms are often similar to those of temporomandibular joint disorders (TMD). Therefore, it is often misdiagnosed as TMD initially. From 2013 to 2016, six patients were referred to our maxillofacial surgery unit by their dentist, to evaluate mouth opening with suspected TMJ disorder...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28687468/two-different-techniques-of-manufacturing-tmj-replacements-a-technical-report
#16
Marcin Kozakiewicz, Tomasz Wach, Piotr Szymor, Rafał Zieliński
INTRODUCTION: Presently, during the surgical treatment of the patients in maxillofacial surgery, one can use various medical implants. Moreover custom made implants are being used. Replacements may be fitted to the structure and shape of the human skull owing to CAD/CAM (custom aided design/manufacture) called customized implants. This study was aimed to report for the first time clinical material from which custom implants, using two different techniques, were manufactured to reconstruct the temporomandibular joint (TMJ)...
September 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28684076/expression-of-notch-signaling-pathway-during-osteoarthritis-in-the-temporomandibular-joint
#17
Lingli Lan, Yangmei Jiang, Weina Zhang, Ting Li, Binbin Ying, Songsong Zhu
PURPOSE: Our study aim was to characterize the expression of Notch molecules during temporomandibular joint osteoarthritis (TMJOA), thus exploring the mechanism and roles that Notch signaling possibly plays in the initiation and progression of TMJOA. MATERIALS AND METHODS: A total of 126 mice were divided randomly into experimental groups, a sham-surgery group and a normal control group. In the experimental group, total discectomy was performed in the right temporomandibular joint (TMJ) to induce TMJOA; the sham-operation group underwent the same procedure without disc removal, and the normal control group was left undisturbed...
June 3, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28673594/management-of-temporomandibular-joint-degenerative-disorders-with-human-amniotic-membrane-hypothesis-of-action
#18
Luca Guarda-Nardini, Diletta Trojan, Adolfo Paolin, Daniele Manfredini
Approaches providing the positioning of human amniotic membrane (HAM) within the intra-articular space of arthritic TMJs have never been investigated. This contrasts with the increasing amount of evidence suggesting the potential positive effects of HAM on a number of surgical conditions, even included the interpositional arthroplasty for TMJ ankylosis. Thus, the possible usefulness of HAM to restore joint functions in severely damaged TMJs could be hypothesized. Based on these premises, the clinical research question "Is human amniotic membrane positioning effective to reduce symptoms and restore jaw function in patients with severe inflammatory-degenerative disorders of the temporomandibular joint?" has been addressed by performing a systematic review of the literature...
July 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28652175/is-the-piezoelectric-device-the-new-standard-for-facial-osteotomies
#19
J Gonzalez-Lagunas
Piezoelectric devices are commonly used in all areas of maxillofacial surgery. Initially applied in preprosthetic surgery, they have steadily become a common practice in major surgery of the facial skeleton, including maxillary and mandibular osteotomies, temporomandibular joint surgery, orbital surgery, craniofacial procedures and rhinoplasty. We will review the current medical literature and establish the "state of the art" of piezosurgery in orthognathic surgery, TMJ surgery and rhinoplasty.
September 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28642192/applications-of-3d-orbital-computer-assisted-surgery-cas
#20
P Scolozzi
INTRODUCTION: The purpose of the present report is to describe the indications for use of 3D orbital computer-assisted surgery (CAS). PATIENTS AND METHODS: We analyzed the clinical and radiological data of all patients with orbital deformities treated using intra-operative navigation and CAD/CAM techniques at the Hôpitaux Universitaires de Genève, Switzerland, between 2009 and 2016. We recorded age and gender, orbital deformity, technical and surgical procedure and postoperative complications...
September 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
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