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TMJ Ankylosis

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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/29153240/acquired-abnormalities-of-the-temporomandibular-joint
#2
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
#3
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
#4
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
#5
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
#6
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/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/29042715/use-of-temporalis-fascia-flap-in-the-treatment-of-temporomandibular-joint-ankylosis-a-clinical-audit-of-5-years
#8
REVIEW
Suday G Rajurkar, Rushabh Makwana, Pallavi Ranadive, Mohan D Deshpande, Anand Nikunj, Dhanashree Jadhav
AIM: Restoration of normal function and jaw movements in patients with temporomandibular joint (TMJ) ankylosis has been a challenge. Various techniques have been provided for its treatment; but the results have been variable. The purpose of this paper is to present an easy and versatile method for the treatment of TMJ ankylosis and to decrease postoperative complications such as reankylosis. MATERIALS AND METHODS: This paper is a review of surgical outcome of interposition arthroplasty with temporalis fascia in 17 patients of unilateral TMJ ankylosis who underwent the above procedure...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29037918/monitoring-of-incremental-changes-in-maximum-interincisal-opening-after-gap-arthroplasty-omits-the-risk-of-re-ankylosis
#9
Ghada Amin Khalifa
PURPOSE: The aim of this clinical study was to prospectively measure the incremental changes in the maximum interincisal opening (MIO) after 1 cm gap arthroplasty, compare these changes between unilateral and bilateral cases, and emphasize the importance of the monitoring of the MIO for at least 24 months. MATERIALS AND METHODS: This prospective study enrolled 26 patients with TMJ ankylosis either unilateral or bilateral. The fingers assessment method was used to measure the MIO preoperatively, intraoperatively, and monthly postoperatively up to 24 months...
September 19, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28872507/protection-of-the-temporomandibular-joint-during-syndromic-mandibular-distraction-with-a-novel-condylar-offloading-device
#10
Sagar T Mehta, Neal Moores, Duane Yamashiro, Faizi Siddiqi, Barbu Gociman
Mandibular distraction for severe micrognathia in syndromic patients often leads to temporomandibular joint (TMJ) ankylosis, which requires further interventions to regain joint motion. The increased incidence of postdistraction ankylosis is likely related to increased prevalence of preoperative joint pathology in syndromic micrognathic patients. Previous studies have demonstrated that offloading the pressure on the condyle during the distraction process can prevent such TMJ pathology. In this article, the authors describe a successful new method for offloading the condyle to prevent postdistraction ankylosis using an external TMJ offloading device...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28855535/evaluation-of-the-condyle-remodeling-after-lateral-arthroplasty-in-growing-children-with-temporomandibular-joint-ankylosis
#11
XiuJuan Yang, Chuan Lu, MinJun Dong, DongMei He, Chi Yang, YiHui Hu
Temporomandibular joint (TMJ) ankylosis in growing patients can cause both mouth opening limitation and jaw bone deformity. Lateral arthroplasty (LAP) can restore the medially displaced condyle and thus keep its growth potential. But can the condyle grow as normal is unknown. This study was to evaluate the long-term result after LAP in growing children. Patients from 2010 to 2014 were evaluated. Their CT data within 1 week after operation and during at least 1-year follow-ups were measured by ProPlan CMF 1...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28750725/hydroxyapatite-collagen-scaffold-with-autologous-bone-marrow-aspirate-for-mandibular-condylar-reconstruction
#12
Debraj Howlader, U Vignesh, Dichen P Bhutia, Rahul Pandey, Sumit Kumar, Tulika Chandra, Divya Mehrotra
PURPOSE: This study was designed with the aim to assess the efficiency of hydroxyapatite/collagen (HA/Col) bio-scaffold with bone marrow aspirate (BMA) to reconstruct mandibular condyle in patients with temporomandibular joint (TMJ) ankylosis. MATERIALS AND METHODS: Seven pediatric patients with TMJ ankylosis, who visited our outpatient clinic and whose parents opted for this procedure, were included in this study. After a history and clinical examination for TMJ movements, computed tomography (CT) scans were obtained...
September 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28739355/3-d-computed-tomography-measurement-of-mandibular-growth-after-costochondral-grafting-in-growing-children-with-temporomandibular-joint-ankylosis-and-jaw-deformity
#13
Jieyun Zhao, Dongmei He, Chi Yang, Chuan Lu, Yihui Hu, Dong Huang, Edward Ellis
OBJECTIVE: The aim of this study was to evaluate the long-term results after costochondral grafting (CCG) in growing children with temporomandibular joint ankylosis and jaw deformity by 3-dimensional computed tomography (CT) measurement. STUDY DESIGN: Patients with unilateral TMJ ankylosis and jaw deformity treated by CCG from 2010 to 2014 were evaluated. Their CT data within 1 week after operation and after at least 2 years of follow-up were analyzed using ProPlan CMF 1...
June 13, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28721990/neocondyle-distraction-osteogenesis-in-the-management-of-temporomandibular-joint-ankylosis-report-of-five-cases-with-review-of-literature
#14
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/28692514/application-of-bidirectional-distraction-osteogenesis-for-the-treatment-of-mandibular-micriognathia-caused-by-temporomandibular-joint-ankylosis
#15
Chi Zhang, Yunfeng Li, Bin Ye, Yao Liu, Chongyun Bao, Songsong Zhu
BACKGROUND: Temporomandibular joint (TMJ) ankylosis is a joint disorder that refers to bone or fibrous adhesion of the anatomic joint components and the ensuing loss of function. When it happens on children, it is always accompanied by dentofacial deformities. The objective of this study was to describe the authors' experience of bidirectional distraction osteogenesis for the treatment of mandibular deformities caused by TMJ ankylosis. METHODS: Sixteen patients with TMJ ankylosis and severe secondary mandibular deformities were treated with bidirectional distraction osteogenesis and release of joint from January 2013 to December 2015...
September 2017: Journal of Craniofacial Surgery
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/28673594/management-of-temporomandibular-joint-degenerative-disorders-with-human-amniotic-membrane-hypothesis-of-action
#17
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/28663655/extradural-hematoma-following-temporomandibular-joint-interposition-arthroplasty
#18
Vaishali Sharma, Parminder Singh Bhatia, Meenakshi Kumar, Mridula Pawar
We describe a case of a 17-year-old male who remained drowsy following left temporomandibular joint (TMJ) interposition arthroplasty for TMJ ankylosis. Computed tomography of the head demonstrated an extradural hematoma. The possible cause of this unusual occurrence is discussed.
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28642192/applications-of-3d-orbital-computer-assisted-surgery-cas
#19
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
https://www.readbyqxmd.com/read/28611327/overgrowth-of-costochondral-graft-in-temporomandibular-joint-ankylosis-reconstruction-a-retrospective-study
#20
S M Balaji, Preetha Balaji
BACKGROUND: Temporomandibular joint (TMJ) ankylosis is a situation in which the mandibular condyle is fused to the glenoid fossa by bone or fibrous tissue. The management of TMJ ankylosis has a complicated chore, and it is challenging for the maxillofacial surgeon because of technical hitches and high rate of reankylosis. Costochondral graft (CCG) is a common treatment modality for TMJ ankylosis. One of disadvantages of CCG is unpredictability of growth pattern and risk of overgrowth...
March 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
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