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TMJ surgery

Jung-Won Cho, Jung-Hyun Park, Jin-Woo Kim, Sun-Jong Kim
BACKGROUND: Temporomandibular joint (TMJ) ankylosis in children often leads to facial deformity, functional deficit, and negative influence of the psychosocial development, which worsens with growth. The treatment of TMJ ankylosis in the pediatric patient is much more challenging than in adults because of a high incidence of recurrence and unfavorable growth of the mandible. CASE REPORT: This is a case report describing sequential management of the left TMJ ankylosis resulted from trauma in early childhood...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
Hossein E Jazayeri, Mohammadreza Tahriri, Mehdi Razavi, Kimia Khoshroo, Farahnaz Fahimipour, Erfan Dashtimoghadam, Luis Almeida, Lobat Tayebi
Tissue regeneration is rapidly evolving to treat anomalies in the entire human body. The production of biodegradable, customizable scaffolds to achieve this clinical aim is dependent on the interdisciplinary collaboration among clinicians, bioengineers and materials scientists. While bone grafts and varying reconstructive procedures have been traditionally used for maxillofacial defects, the goal of this review is to provide insight on all materials involved in the progressing utilization of the tissue engineering approach to yield successful treatment outcomes for both hard and soft tissues...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
G Bai, C Yang, Y Qiu, M Chen
Open surgery and arthroscopy for the treatment of synovial chondromatosis (SC) of the temporomandibular joint (TMJ) have their advantages and disadvantages. The aim of this study was to report the application and results of the combined use of these two methods in the treatment of SC and the indications for use. A total of 36 patients with magnetic resonance imaging (MRI) confirmation of SC, treated from 2010 to 2015, were included. Patients with tumours in the upper articular cavity and with the extended margin of the medial groove still in-between the medial crest of the condyle and infratemporal space on coronal MRI were selected to undergo open surgery with the assistance of arthroscopy to clear the loose bodies and affected synovium...
October 18, 2016: International Journal of Oral and Maxillofacial Surgery
M Marqués-Mateo, M Puche-Torres, M-E Iglesias-Gimilio
The temporomandibular joint (TMJ) dislocation can be categorised into three groups: acute, habitual or recurrent and long-standing. The long-standing or protracted lower jaw dislocation refers to a condition that persists for more than one month without reduction. There are a great variety of methods for its treatment, from the manual or non-surgical, to surgical ones like the indirect approach (conservative surgical approach) and direct approach (open joint). Additional procedures in unsuccessful cases may include extra-articular orthognathic techniques to correct a malocclusion until joint replacement...
October 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
R Leonardi, R-E Perrotta, L-E Almeida, C Loreto, G Musumeci
To understand the molecular basis of temporomandibular joint (TMJ) pathologies, we aimed to investigate the lubricin levels in the TMJ synovial fluid (SF) of patients with mild to severe internal derangements (IDs)._Material and Methods: A total, 34 joints were the study group. Only patients, with a Wilkes stage of III, IV and V were included, in this sample. Control group consisted of SF from eight joints, from patients undergoing to orthognatic surgery. Concentrations of lubricin in the SF from both samples were measured using ELISA system...
October 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
Ross Elledge, Jason Green, Alan Attard
Surgery of the temporomandibular joint (TMJ) is increasingly recognised as a subspecialist area of interest within our specialty and many procedures such as arthroscopy, arthroplasty, and replacement of the TMJ are becoming increasingly centralised and restricted to certain regions. We previously made a national survey of trainees and have sought to augment this with a survey of trainers to find out the nature of practice and patterns of referral nationally. We have also examined the consultants' expectations of competent final-year trainees...
September 26, 2016: British Journal of Oral & Maxillofacial Surgery
Marijus Leketas, Evelina Vedlugaitė, Ričardas Kubilius
OBJECTIVES: To investigate which treatment of maxillofacial fractures is more effective and what type of complications is the most common after observed treatment. The second aim is to explore relationship between treated facial bone fractures and temporomandibular joint (TMJ) pathology. MATERIAL AND METHODS: Cases with TMJ pathology in Lithuanian University of Health Sciences (LUHS) in the Department of Maxillofacial Surgery (MS) during 2012-2014 were analysed to research the occurrence of TMJ disorders after facial bone fracture treatment...
2016: Stomatologija
A Feldreich, M Ernberg, A Rosén
The mechanisms of relief from persistent pain after temporomandibular joint (TMJ) surgery are not well studied. It was hypothesized that if persistent pain is relieved by TMJ surgery, up-regulated parts of the central nervous system will be desensitized and the neuroendocrine opioid release will decrease back to normal levels. Eleven female patients with a mean age of 47.4±19.4 years and with TMJ pain due to chronic closed lock were examined before and 6-24 months after TMJ discectomy. The effects on plasma β-endorphin levels, pain intensity, and pain thresholds were analyzed...
September 13, 2016: International Journal of Oral and Maxillofacial Surgery
Yao Liu, Wen Du, Jing Hu, Chuhang Liao, Wei Fei, En Luo
OBJECTIVE: With the inclusion criteria of patients confirmed and the therapeutic effects and stability evaluated, this article presents the clinical value of bimaxillary orthognathic surgery without bone graft of maxillofacial asymmetric deformities in patients treated for unilateral temporomandibular joint (TMJ) ankylosis. STUDY DESIGN: From 2008 to 2012, 12 patients with dentomaxillofacial asymmetric deformities secondary to unilateral TMJ ankylosis who had undergone TMJ reconstruction as the primary surgery were included in the study...
November 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
J Ferri, G Raoul, J Potier, R Nicot
The mandibular condyle is a special structure. Its embryology and physiology provide to the TMJ a particular behavior that explains the occurrence of specific diseases. Condyle hyperplasia is one of these disorders. It can be explained by a dysregulation of the prechondroblast cell layer within the cartilage cap providing an increase in volume first of the condyle, then of the ramus and finally of the entire affected hemiface. Mandible deformation affects the basal bone, leading to dento-alveolar deformations related to compensation attempts...
September 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
Girish B Giraddi, Kirti Arora, A J Sai Anusha
AIMS: The aims of the study were to evaluate the efficacy of simultaneous interpositional arthroplasty with distraction osteogenesis (DO) as a single procedure and to give the patient acceptable functional rehabilitation with correction of the gross facial asymmetry. MATERIALS AND METHODS: Nine patients of temporomandibular joint (TMJ) ankylosis with micrognathia were treated with interpositional arthroplasty and simultaneous DO and followed for a period of minimum 3 years...
January 2016: Annals of Maxillofacial Surgery
Alexandra Maria Botos, Anca Stefania Mesaros, Adela Ioana Zimbran
The aim of this case report is to give comprehensive information on the clinical use of computerized axiography (CA) in the evaluation of temporomandibular joint (TMJ) mobility in a patient who undergoes orthognatic surgery. A 20-year-old female patient with class III skeletal anomaly and who underwent orthognatic surgery is presented. Pre- and postsurgical CA recordings for the patient are compared in order to evaluate the functional modifications that appear. The CA is a functional investigation of the TMJ and records the border movements of the mandible: protrusion, lateral movements and open/close...
2016: Clujul Medical (1957)
J Potier, J-M Maes, R Nicot, T Dumousseau, M Cotelle, J Ferri
Temporomandibular joint (TMJ) disorders are a common disease and may be responsible for major functional and painful repercussions. Treatment is not consensual. The literature highlights the role of conservative treatments (physiotherapy, analgesics, splints) in a first attempt. Minimally invasive surgical techniques (arthroscopy, arthrocentesis) have developed rapidly in recent decades. They have proven effective and reliable, especially in patients suffering from irreducible or reducible anterior disc dislocation or presenting with arthopathies...
September 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
E Massereau, F Cheynet, H Bénateau, A Veyssière, Y Bencheman, A Gallucci, S Hammoutène, C Chossegros
INTRODUCTION: The aim of our study was to analyse a series of patients suffering from temporomandibular joint (TMJ) chondromatosis treated in 2 departments of stomatology and maxillofacial surgery (University hospitals of the Conception in Marseille and of Caen) and to make a general review of this disease. MATERIAL AND METHODS: We conducted a retrospective study including all the patients treated for a TMJ chondromatosis in one of these 2 departments. Following parameters were analyzed: sex, ages at discovery and at surgery, symptoms, side, imaging, histology, recurrence and any other events considered as relevant...
September 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
J M Foletti, F Cheynet, N Graillon, L Guyot, C Chossegros
INTRODUCTION: Temporomandibular joint (TMJ) dysfunction associates pain, limited mouth opening and joint noise. Failures of conservative treatments may lead to arthroscopy. The aim of our study was to evaluate the current interest of arthroscopy in the treatment of TMJ dysfunction. MATERIAL AND METHODS: Using the keywords "TMJ" and "Arthroscopy", 1668 articles were found in the Sciencedirect database. We selected 17 papers published between September 2012 and May 2016...
September 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
Romain Nicot, Alexandre R Vieira, Gwénaël Raoul, Constance Delmotte, Alain Duhamel, Joël Ferri, James J Sciote
UNLABELLED: Dentofacial deformities are dys-morpho-functional disorders involving the temporomandibular joints (TMJ). Many authors have reported a TMJ improvement in dysfunctional subjects with malocclusion after orthodontic or combined orthodontic and surgical treatment particularly for the relief of pain. In particular, few studies have highlighted the demographic and clinical predictors of response to surgical treatment. To date, no genetic factor has yet been identified as a predictor of response to surgical treatment...
September 2016: Journal of Cranio-maxillo-facial Surgery
L-M Gonzalez-Perez, B Gonzalez-Perez-Somarriba, G Centeno, C Vallellano, J-F Montes-Carmona
BACKGROUND: Temporo-Mandibular Joint (TMJ) replacement has been used clinically for years. The objective of this study was to evaluate outcomes achieved in patients with two different categories of TMJ prostheses. MATERIAL AND METHODS: All patients who had a TMJ replacement (TMJR) implanted during the study period from 2006 through 2012 were included in this 3-year prospective study. All procedures were performed using the Biomet Microfixation TMJ Replacement System, and all involved replacing both the skull base component (glenoid fossa) and the mandibular condyle...
July 31, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
Arif Razzak, Nabeela Ahmed, Andrew Sidebottom
Costochondral grafts are used to replace the mandibular condyle in cases of TMJ ankylosis, and are generally viewed as a gold standard for autogenous reconstruction of the mandibular condyle (Güven, 2000; Posnick and Goldstein, 1993 [1,2]). We report a case where overgrowth of costochondral grafts is seen, resulting in asymmetric mandibular growth and dentofacial asymmetry (Posnick and Goldstein, 1993 [2]). A 17 year old male patient presented with an existing costochondral graft performed due to TMJ ankylosis during childhood...
2016: International Journal of Surgery Case Reports
D F Angelo, P Morouço, N Alves, T Viana, F Santos, R González, F Monje, D Macias, B Carrapiço, R Sousa, S Cavaco-Gonçalves, F Salvado, C Peleteiro, M Pinho
Preclinical trials are essential to the development of scientific technologies. Remarkable molecular and cellular research has been done using small animal models. However, significant differences exist regarding the articular behavior between these models and humans. Thus, large animal models may be more appropriate to perform trials involving the temporomandibular joint (TMJ). The aim of this work was to make a morphological (anatomic dissection and white light 3D scanning system), histological (TMJ in bloc was removed for histologic analysis) and biomechanical characterization (tension and compression tests) of sheep TMJ comparing the obtained results with human data...
July 20, 2016: Morphologie: Bulletin de L'Association des Anatomistes
Jacinto Fernández Sanromán, Alberto Costas López, Martín Fernández Ferro, Annahys López de Sánchez, Bogdan Stavaru, Jorge Arenaz Bua
PURPOSE: To study the complications of temporomandibular joint (TMJ) arthroscopic procedures using two-portal coblation technologies. MATERIALS AND METHODS: The 397 consecutive patients (475 joints) who underwent arthroscopic surgery were prospectively analyzed. RESULTS: Complications were observed in 39 (8.21%) procedures. Complications recognized during or immediately after surgery were observed in 25 cases (5.26%). Vascular injury in the points of trocar insertion was observed in seven cases...
September 2016: Journal of Cranio-maxillo-facial Surgery
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