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Temporomandibular joint treatment

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https://www.readbyqxmd.com/read/29143569/prevalence-of-temporomandibular-symptoms-and-parafunctional-habits-in-a-university-dental-clinic-and-association-with-gender-age-and-missing-teeth
#1
Georgios S Chatzopoulos, Miguel Sanchez, Alejandro Cisneros, Larry F Wolff
Objective To assess the prevalence of symptoms of temporomandibular disorder (TMD) and parafunctional habits as well as to investigate their association with age, gender, and number of missing teeth. Methods This retrospective study is based on 4204 randomly selected patients who were examined to determine their symptoms of TMD, such as clicking, difficulty chewing, difficulty opening/closing, as well self-reported joint pain and parafunctional habits. Results Clenching/grinding was reported by 26.5% of the examined population, clicking by 14...
November 16, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29134239/temporomandibular-joint-atlas-for-detection-and-grading-of-juvenile-idiopathic-arthritis-involvement-by-magnetic-resonance-imaging
#2
Christian J Kellenberger, Thitiporn Junhasavasdikul, Mirkamal Tolend, Andrea S Doria
Contrast-enhanced magnetic resonance imaging (MRI) is considered the diagnostic standard for identifying involvement of the temporomandibular joint by juvenile idiopathic arthritis. Early or active arthritis is shown as bone marrow oedema, joint effusion, synovial thickening and increased joint enhancement. Subsequent joint damage includes characteristic deformity of the mandibular condyle, bone erosion, disk abnormalities and short mandibular ramus due to impaired growth. In this pictorial essay, we illustrate normal MRI findings and growth-related changes of the temporomandibular joint in children...
November 13, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29128675/regionally-variant-collagen-alignment-correlates-with-viscoelastic-properties-of-the-disc-of-the-human-temporomandibular-joint
#3
Shawn Gutman, Daniel Kim, Solaiman Tarafder, Sergio Velez, Julia Jeong, Chang H Lee
OBJECTIVE: To determine the regionally variant quality of collagen alignment in human TMJ discs and its statistical correlation with viscoelastic properties. DESIGN: For quantitative analysis of the quality of collagen alignment, horizontal sections of human TMJ discs with Pricrosirius Red staining were imaged under circularly polarized microscopy. Mean angle and angular deviation of collagen fibers in each region were analyzed using a well-established automated image-processing for angular gradient...
November 8, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29127775/four-dimensional-computed-tomography-evaluation-of-condylar-movement-in-a-patient-with-temporomandibular-joint-osteoarthritis
#4
Masaya Akashi, Takumi Hasegawa, Satoru Takahashi, Takahide Komori
Temporomandibular joint (TMJ) osteoarthritis (OA) is a disease of the bone, cartilage, and supporting tissues of the joint. Patients with advanced TMJ-OA often have symptoms such as pain, swelling, and joint dysfunction, and they sometimes require surgical intervention when conservative treatment is not effective. The etiology of TMJ-OA remains elusive. The usefulness of 4-dimensional (4D) computed tomography (CT) in motion analysis of various joints has recently been reported. This article introduces a novel imaging technique of 4D CT that aims to identify kinematic features that may be associated with the etiology of TMJ-OA...
October 16, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29127312/progesterone-attenuates-temporomandibular-joint-inflammation-through-inhibition-of-nf-%C3%AE%C2%BAb-pathway-in-ovariectomized-rats
#5
Xin-Tong Xue, Xiao-Xing Kou, Chen-Shuang Li, Rui-Yun Bi, Zhen Meng, Xue-Dong Wang, Yan-Heng Zhou, Ye-Hua Gan
Sex hormones may contribute to the symptomatology of female-predominant temporomandibular disorders (TMDs) inflammatory pain. Pregnant women show less symptoms of TMDs than that of non-pregnant women. Whether progesterone (P4), one of the dominant sex hormones that regulates multiple biological functions, is involved in symptoms of TMDs remains to be explored. Freund's complete adjuvant were used to induce joint inflammation. We evaluated the behavior-related and histologic effects of P4 and the expression of tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 in the synovial membrane...
November 10, 2017: Scientific Reports
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
#6
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/29125402/adolescent-internal-condylar-resorption-aicr-of-the-temporomandibular-joint-part-1-a-review-for-diagnosis-and-treatment-considerations
#7
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/29123550/mesenchymal-stem-cells-for-cartilage-regeneration-of-tmj-osteoarthritis
#8
REVIEW
Dixin Cui, Hongyu Li, Xin Xu, Ling Ye, Xuedong Zhou, Liwei Zheng, Yachuan Zhou
Temporomandibular joint osteoarthritis (TMJ OA) is a degenerative disease, characterized by progressive cartilage degradation, subchondral bone remodeling, synovitis, and chronic pain. Due to the limited self-healing capacity in condylar cartilage, traditional clinical treatments have limited symptom-modifying and structure-modifying effects to restore impaired cartilage as well as other TMJ tissues. In recent years, stem cell-based therapy has raised much attention as an alternative approach towards tissue repair and regeneration...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29115902/open-mouth-jaw-locking-in-cats-a-literature-review-and-use-of-computed-tomography-in-three-cases
#9
Anna E Nutt, Thomas Anderson, Margherita Gracis, Ivan Doran, Chris Warren-Smith, Sorrel J Langley-Hobbs
Case series summary This report summarises and reviews the published cases of open-mouth jaw locking in cats and describes three further cases. Case 1 was a 5-year-old, 5.3 kg male neutered domestic shorthair cat. CT identified changes consistent with temporomandibular joint (TMJ) dysplasia with osseous degenerative changes, and the cat subsequently underwent bilateral partial zygomectomy with bilateral partial coronoidectomy. Case 2 was a 10-year-old, 6.0 kg male neutered Exotic Shorthair. Aside from a fracture of the left maxillary canine tooth crown and absence of the left maxillary fourth premolar tooth, no abnormalities were found on CT scan...
November 1, 2017: Journal of Feline Medicine and Surgery
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
#10
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/29111131/association-between-condylar-position-and-vertical-skeletal-craniofacial-morphology-a-cone-beam-computed-tomography-study
#11
Maryam Paknahad, Shoaleh Shahidi
OBJECTIVE: Condylar position may play an important role in the establishment of different craniofacial morphologies. The aim of the present study was to determine the possible association between condylar position and vertical skeletal craniofacial morphology in subjects with normal sagittal skeletal pattern using CBCT. METHOD AND MATERIAL: The CBCT images of 45 patients with Class I sagittal skeletal pattern were classified into three balanced groups on the basis of SN-MP angle...
October 27, 2017: International Orthodontics
https://www.readbyqxmd.com/read/29109658/single-needle-arthrocentesis-with-upper-compartment-distension-versus-conventional-two-needle-arthrocentesis-randomized-clinical-trial
#12
Eduardo Grossmann, Primo Guilherme Vargas Pasqual, Rodrigo Lorenzi Poluha, Lilian Cristina Vessoni Iwaki, Liogi Iwaki Filho, Ênio Tadashi Setogutti
The objective of this study was to compare single-needle arthrocentesis with distension of the upper compartment of the temporomandibular joint (TMJ) with the conventional two-needle arthrocentesis. Twenty-six patients with articular disc displacement without reduction (DDWOR) were included in the study and assigned to two groups (n = 13): single-needle arthrocentesis with distension of the upper compartment of the TMJ (1N) and conventional two-needle arthrocentesis (2N). The maximum interincisal distance (MID) and TMJ pain as measured by the visual analog scale (VAS) were compared...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29104423/distance-based-permutation-of-inter-meal-differences-as-a-sensitive-test-of-temporomandibular-joint-nociception-in-rats
#13
Mikhail Umorin, Phillip R Kramer, Larry L Bellinger
Purpose: Compare non-parametric permutation method using intr-meal rate as endpoint to existing ANOVA method that uses average daily meal duration as an endpoint for detection of chronic pain in Sprague-Dawley rats. Methods: Nociception following bilateral temporomandibular joint (TMJ) injection of high-dose of Complete Freunds Adjuvant (CFA, 250 μg/50 μL per side) could be detected in young adult male Sprague-Dawley rats using average daily meal durations as a measure of nociception for up to 19 days (Kramer, Kerins, Schneiderman, & Bellinger, 2010) using ANOVA and multiple comparisons range tests...
September 2017: Journal of Applied Biobehavioral Research
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/29083089/hmgb1-induced-angiogenesis-in-perforated-disc-cells-of-human-temporomandibular-joint
#15
Yaping Feng, Jin Ke, Pinyin Cao, Mohong Deng, Jian Li, Hengxing Cai, Qinggong Meng, Yingjie Li, Xing Long
High mobility group 1 protein (HMGB1), a highly conserved nuclear DNA-binding protein and inflammatory mediator, has been recently found to be involved in angiogenesis. Our previous study has demonstrated the elevation of HMGB1 in the tissue of perforated disc of temporomandibular joint (TMJ). Here, we investigated a novel mediator of HMGB1 in regulating hypoxia-inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) to mediate angiogenesis in perforated disc cells of TMJ. HMGB1 increased the expression of HIF-1α and VEGF in a dose- and time-dependent manner in these cells...
October 30, 2017: Journal of Cellular and Molecular 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
#16
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/29077682/one-stage-treatment-of-giant-condylar-osteoma-alloplastic-total-temporomandibular-joint-replacement-aided-by-digital-templates
#17
Xin Xu, Hailong Ma, Shufang Jin
OBJECTIVES: To introduce the surgical techniques and evaluate the effect of alloplastic total temporomandibular joint (TMJ) replacement aided by digital templates in giant condylar osteoma. METHODS: Three patients with giant condylar osteoma were enrolled in this study. The maximal mouth opening was 1.9 cm on average. All the patients were underwent the computed tomography scan (slice thickness 1 mm) and the data were imported to Proplan 1.3 software for 3-dimensional bony segmentation and reconstruction...
October 26, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29076326/orthognathic-treatment-of-facial-asymmetry-due-to-temporomandibular-joint-ankylosis
#18
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/29071032/comparative-effectiveness-of-low-level-laser-therapy-and-transcutaneous-electric-nerve-stimulation-on-temporomandibular-joint-disorders
#19
Massoud Seifi, Asghar Ebadifar, Sattar Kabiri, Mohammad Reza Badiee, Zahra Abdolazimi, Parisa Amdjadi
Introduction: Temporomandibular joint disorders (TMDs) are the most common source of pain on the face. There are multiple etiologies, and several types of treatment have been reported. The use of non-invasive and reversible therapies in the treatment of such problems is recommended. The present study evaluated the effect of low-level laser (LLL) therapy and transcutaneous electric nerve stimulation (TENS) on TMDs. Methods: In this single-blind study, 40 patients with temporomandibular disorders were randomly divided into four groups: TENS (TENSTem dental), LLL (diode 810 nm CW), shamTENS, and sham-LLL...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29066000/platelet-rich-plasma-for-the-therapeutic-management-of-temporomandibular-joint-disorders-a-systematic-review
#20
REVIEW
M Bousnaki, P Koidis
This systematic review aimed to investigate whether intra-articular injections of platelet-rich plasma (PRP) are beneficial for the treatment of degenerative temporomandibular disorders, such as temporomandibular joint osteoarthritis (TMJ-OA) and disc displacement with osteoarthritic lesions, when compared to other treatments, such as injections of hyaluronic acid (HA) or saline. An electronic search of the MEDLINE and Scopus databases was performed using combinations of the terms "temporomandibular" and "platelet rich plasma", to identify studies reported in English and published up until May 2017...
October 20, 2017: International Journal of Oral and Maxillofacial Surgery
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