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Temporomandibular joint

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https://www.readbyqxmd.com/read/29223700/unilateral-sagittal-split-ramus-osteotomy-an-alternative-for-some-cases-of-asymmetric-mandibular-prognathism
#1
R Fariña, C Mebus, C Mayer, R Torrealba, E Moreno
The objective of this study was to propose a treatment protocol for patients with lateral prognathism based on the unilateral sagittal split ramus osteotomy (USSRO). This was a prospective study involving 31 patients with lateral prognathism, who required a bilateral sagittal split ramus osteotomy (BSSRO). Two groups were formed using the proposed protocol, with specific inclusion criteria for each group: BSSRO (n=17) and USSRO (n=14). Occlusal parameters (dental midline deviation, overbite, and overjet) were measured preoperatively (T0), at model surgery (T1), 1 month postoperative (T2), and 1year after surgery (T3) and compared...
December 6, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29223659/complications-in-the-treatment-of-mandibular-condylar-fractures-surgical-versus-conservative-treatment
#2
REVIEW
Iván García-Guerrero, Juan M Ramírez, Rafael Gómez de Diego, José M Martínez-González, María S Poblador, José L Lancho
OBJECTIVES: In the present article, we aim to review the main intra- and post-operative complications associated with two different therapeutic approaches for treating mandibular condylar fractures: conservative (CTR) and surgical treatment (ORIF, Open Reduction and Internal Fixation). MATERIAL AND METHODS: We have carried out a retrospective, meta-analytic, observational study using literature review, covering the period between 2000- September 2017. The data obtained were processed using statistical software SPSS v...
December 6, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29223613/18f-naf-pet-ct-for-the-evaluation-of-temporomandibular-joint-disorder
#3
M S Suh, S H Park, Y-K Kim, P-Y Yun, W W Lee
AIM: To investigate the usefulness of a quantitative parameter (maximum standardised uptake value [SUVmax]) of 18F-sodium fluoride (NaF) positron-emission tomography (PET)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). MATERIALS AND METHODS: Seventy-six TMD patients (male: female=14:62, age=40.3±17.1 years, bilateral: unilateral=40:36) with 152 TMJs were enrolled. The 18F-NaF PET/CT parameter (SUVmax) was compared with the presence of TMJ arthralgia (arthralgic=86, non-arthralgic=66) and clinical subtypes based on the Research Diagnostic Criteria for TMD Axis I (TMD osteoarthritis=49, non-TMD osteoarthritis=67, and asymptomatic TMJ=36)...
December 6, 2017: Clinical Radiology
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
#4
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/29221499/an-unusual-osteoma-in-the-mandibular-condyle-and-the-successful-replacement-of-the-temporomandibular-joint-with-a-custom-made-prosthesis-a-case-report
#5
Natalia Tavares de Souza, Renan Carlos Lopes Cavalcante, Maria Aparecida de Albuquerque Cavalcante, Wagner Hespanhol, Marcello Rodrigues de Oliveira, Dennis de Carvalho Ferreira, Thais Machado de Carvalho Coutinho, Lucio Souza Gonçalves
BACKGROUND: An osteoma is a benign tumor of bone with unknown etiology and is considered rare, mostly restricted to the craniofacial skeleton. CASE PRESENTATION: This case report describes an uncommon condylar osteoma in a 67 years old white female patient with laterognathism to the left side, limited mouth opening, aesthetic change and pain associated with the right temporomandibular joint (TMJ). The histopathological examination confirmed osteoma. The lesion was surgically excised and immediate reconstruction was carried out using a custom-made total TMJ prosthesis...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29217971/evaluation-of-the-relationship-between-the-occlusion-parameters-and-symptoms-of-the-temporomandibular-joint-disorder
#6
Agnė Dzingutė, Gaivilė Pileičikienė, Aušra Baltrušaitytė, Gediminas Skirbutis
Background: The aetiology of temporomandibular joint disorders (TMD) is multifactorial, whereas occlusal disharmony is one of the predisposing factors. Researchers still discuss the relation between occlusion and TMD. Objective: The study aims to investigate the relation between static occlusal parameters and TMD clinical symptoms using T-Scan II analysis system. Material and methods: The sample consisted of 44 persons divided into the treatment group of 20 TMD patients and the control group of 24 subjects without TMD...
2017: Acta Medica Lituanica
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
#7
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/29216730/the-influence-of-cranio-cervical-rehabilitation-in-patients-with-myofascial-temporomandibular-pain-disorders
#8
K Halmova, D Holly, P Stanko
OBJECTIVE: The aim of the study was to prove the causality between the craniocervical dysfunction and myofascial pain in the head and neck and to demonstrate the clinical value and usefulness of physiotherapy as one of the therapeutic options for myofascial pain. METHODS: The group of patients diagnosed with myofascial dysfunctional pain syndrome contained 98 patients out of which 79 patients (81 %) were females and 19 patients (19 %) were males. The majority of the patients were aged between 26 and 35 years; the total age range was 14-77 years with the average of 38 years...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29216476/is-there-a-role-for-oxidative-stress-in-temporomandibular-joint-disorders
#9
Canser Yilmaz Demir, Omer Faruk Kocak, Nazim Bozan, Muhammet Eren Ersoz, Halit Demir
PURPOSE: Data on the role of oxidative stress in temporomandibular joint (TMJ) disorders are limited. This study compared serum levels of oxidative stress indicators and antioxidant enzymes in patients with TMJ disorders. PATIENTS AND METHODS: In this prospective study, patients with TMJ disorders and healthy controls were compared for descriptive characteristics (age and gender) and serum levels of malondialdehyde (MDA), an oxidative stress marker, and antioxidant enzymes catalase (CAT), glutathione (GSH), and superoxide dismutase (SOD)...
November 21, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29215692/chondroid-tenosynovial-giant-cell-tumor-of-the-temporomandibular-joint-a-rare-case-report
#10
Ana Lia Anbinder, Barbara Maria Corrêa Geraldo, Rubens Guimarães, Débora Lima Pereira, Oslei Paes de Almeida, Yasmin Rodarte Carvalho
Tenosynovial giant cell tumor of diffuse type (TGCT-d) or pigmented villonodular synovitis (PVNS) is a locally aggressive lesion that mostly affects the joints of long bones. Chondroid tenosynovial giant cell tumor (CTGCT) or PVNS with chondroid metaplasia is a rare distinct subset of synovial tumors that has a predilection for the TMJ. We report a rare case of CTGCT in the TMJ, initially misdiagnosed as temporomandibular disorder (TMD). A 51-year-old woman was referred to the surgeon with the chief complaint of TMJ pain for 5 years and a past history of an unsuccessful TMD treatment...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29215195/temporomandibular-joint-positional-change-accompanies-post-surgical-mandibular-relapse-a-long-term-retrospective-study-among-patients-who-underwent-mandibular-advancement
#11
M Z Miao, B Wang, D Wu, S Zhang, S Wong, O Shi, A Hu, L Mao, B Fang
OBJECTIVE: This study evaluated the relationship between follow-up temporomandibular joint positional change and mandibular stability among patients who had orthognathic and orthodontic treatment for a skeletal Class II malocclusion. METHODS: Thirty-seven patients who underwent 2-jaw surgery (Le Fort I osteotomy, bilateral sagittal split ramus osteotomy and genioplasty with rigid internal fixation) were included with an average follow-up length of 8.10 ± 2.06 years...
December 7, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/29207140/platelet-rich-plasma-inhibits-rankl-induced-osteoclast-differentiation-through-activation-of-wnt-pathway-during-bone-remodeling
#12
Dongyue Wang, Yajuan Weng, Shuyu Guo, Yuxin Zhang, Tingting Zhou, Mengnan Zhang, Lin Wang, Junqing Ma
Platelet-rich plasma (PRP) is used in the clinic as an autologous blood product to stimulate bone regeneration and chondrogenesis. Numerous studies have demonstrated that PRP affects bone remodeling by accelerating osteoblast formation. With the research perspective focusing on osteoclasts, the present study established a mouse model of mandibular advancement to examine the effect of PRP on osteoclast differentiation induced by modification of the dynamics of the temporomandibular joint (TMJ). The lower incisors of the mice were trimmed by 1 mm and the resultant change in mandibular position during the process of eating induced condylar adaptation to this change...
November 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29205439/influence-of-removable-prostheses-on-mastication-in-elderly-subjects-with-rheumatoid-arthritis-mastication-in-elders-with-rheumatoid-arthritis
#13
Kelly M Andrade, Bruna F M Alfenas, Renata C M Rodrigues Garcia
BACKGROUND: Rheumatoid arthritis (RA) is a prevalent disease in the elderly population, and it may affect the temporomandibular joint (TMJ) and the stomatognathic system OBJECTIVE: This study evaluated masticatory function in elderly patients with RA before and after oral rehabilitation with removable prostheses METHODS: Forty-five elders with partial or total edentulism who were using unsatisfactory removable prostheses were selected and assigned to three groups: RA with TMJ involvement, RA without TMJ involvement, and healthy controls...
December 4, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29203260/the-helsinki-face-transplantation-surgical-aspects-and-1-year-outcome
#14
Patrik Lassus, Andrew Lindford, Jyrki Vuola, Leif Bäck, Sinikka Suominen, Karri Mesimäki, Tommy Wilkman, Tuija Ylä-Kotola, Erkki Tukiainen, Hannu Kuokkanen, Jyrki Törnwall
BACKGROUND: Since 2005, at least 38 facial transplantations have been performed worldwide. We herein describe the surgical technique and 1-year clinical outcome in Finland's first face transplant case. METHODS: A 34-year-old male who had a severe facial deformity following ballistic trauma in 1999 underwent facial transplantation at the Helsinki University Hospital on 8th February 2016. Three-dimensional (3D) technology was used to manufacture donor and recipient patient-specific osteotomy guides and a donor face mask...
November 15, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29201257/muscle-power-during-intravenous-sedation
#15
REVIEW
Nobuyuki Matsuura
Intravenous sedation is effective to reduce fear and anxiety in dental treatment. It also has been used for behavior modification technique in dental patients with special needs. Midazolam and propofol are commonly used for intravenous sedation. Although there have been many researches on the effects of midazolam and propofol on vital function and the recovery profile, little is known about muscle power. This review discusses the effects of intravenous sedation using midazolam and propofol on both grip strength and bite force...
November 2017: Japanese Dental Science Review
https://www.readbyqxmd.com/read/29199605/modeling-mesenchymal-stem-cells-in-tmj-rheumatoid-arthritis-and-osteoarthritis-therapy
#16
Nedime Serakinci, Gokce Savtekin
Stem cells have self-renewal capacity and an ability to differentiate into particular cell types generating mature cells. Mesenchymal stem cells (MSCs) have a significant role in tissue homeostasis, which leads into tissue regeneration. MSCs are rare pluripotent cells supporting hematopoietic and mesenchymal cell lineages. MSCs are also believed to have therapeutic power over temporomandibular joint (TMJ) disorders (TMDs). The most common type of TMD is articular disc displacement, which induces progressive degenerative changes...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/29198579/determination-of-vegf-collagen-type-1-and-versican-in-the-discus-articularis-of-the-temporomandibular-joint-in-relation-to-dental-status
#17
Malte Michaelis, Ralph Lucius, Jörg Wiltfang, Falk Birkenfeld
The aim of this study was the investigation and comparison of the presence of vascular endothelial growth factor (VEGF), collagen type 1 and the proteoglycan versican in the discus articularis in relation to dental status (full dentition [1], partial dentition [2] and edentulous [3]). The right disci articulares were removed from 17 donated bodies (6 with full dentition, 5 with partial dentition and 6 edentulous). The specimens were immunohistochemically stained for VEGF, collagen type 1 and versican. Semiquantitative analysis of the disci was conducted within the groups based on the intensity of immunoreactivity of VEGF, collagen type 1 and versican...
September 21, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29198485/nodular-fasciitis-of-the-temporomandibular-joint-a-case-report
#18
I Jenkyn, A King, K A Moutasim, S Sharma
Nodular fasciitis is a relatively rare benign lesion of the soft tissue, which often presents in the fascia or deep subcutaneous tissues. It most commonly presents in the upper extremities and trunk and the head and neck region, particularly in younger patients. Its pathogenesis is poorly understood and it is predominantly thought to be a reactive lesion, although some have suggested that it may be a benign neoplasm. Advances in molecular testing and imaging have greatly assisted diagnosis. We discuss the benefits of ubiquitin-specific protease 6 (USP6) gene rearrangement testing and magnetic resonance imaging (MRI) to aid this uncommon diagnosis...
November 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29198430/correlation-between-mandibular-bone-density-and-skeletal-bone-density-in-a-catalonian-postmenopausal-population
#19
Albert Estrugo-Devesa, Juan Segura-Egea, Laia García-Vicente, Mayra Schemel-Suárez, Ándres Blanco-Carrrión, Enric Jané-Salas, José López-López
OBJECTIVES: The aim of this study was to determine if the mandible (MD) experiences reductions in bone mineral density (BMD) similar to the lumbar spine (LS) and femoral neck (FN) in a postmenopausal population. STUDY DESIGN: A total of 137 postmenopausal women underwent 3 types of densitometric examinations: LS, FN, and MD as measured in 3 regions (MD-R1, MD-R2, and MD-R3), as well as the entire mandible (MD-Net) using a dual photon bone X-ray densitometer. Densitometry of the LS and FN were performed according to the protocol of the International Society for Clinical Densitometry...
November 29, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29197682/pneumatization-of-temporal-bone-in-relation-to-temporomandibular-joint-a-computed-tomographic-study
#20
M P Shamshad, Geetha Kamath, Medha Babshet, H S Srikanth, Lakshmi Doddamani
No abstract text is available yet for this article.
November 29, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
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