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Temporo-mandibular

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https://www.readbyqxmd.com/read/29780198/sva-shape-variation-analyzer
#1
Priscille de Dumast, Clement Mirabel, Beatriz Paniagua, Marilia Yatabe, Antonio Ruellas, Nina Tubau, Martin Styner, Lucia Cevidanes, Juan C Prieto
Temporo-mandibular osteo arthritis (TMJ OA) is characterized by progressive cartilage degradation and subchondral bone remodeling. The causes of this pathology remain unclear. Current research efforts are concentrated in finding new biomarkers that will help us understand disease progression and ultimately improve the treatment of the disease. In this work, we present Shape Variation Analyzer (SVA), the goal is to develop a noninvasive technique to provide information about shape changes in TMJ OA. SVA uses neural networks to classify morphological variations of 3D models of the mandibular condyle...
February 2018: Proceedings of SPIE
https://www.readbyqxmd.com/read/29682258/low-level-laser-therapy-in-the-treatment-of-muscle-skelet-pain-in-patients-affected-by-temporo-mandibular-disorders
#2
M Basili, A Barlattani, A Venditti, P Bollero
Background: The purpose of the study is to evaluate the effectiveness of Low-Level Laser Therapy in reducing joint and muscle pain in patients with acute and chronic temporomandibular dysfunction. Materials and methods: The study was conducted on a sample of 180 patients. The sample was divided into two groups according to the time of onset of the disease: acute TMD (<6 months) and chronic TMD (> 6 months). The treatment for all patients provided for the irradiation with Diode Laser Wiser Doctor Smile with tip plane wave at wavelength of 830 nm, continuous beam to 40nW diameter and radius of 6 mm...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29454076/the-biological-basis-of-treating-jaw-discrepancies-an-interplay-of-mechanical-forces-and-skeletal-configuration
#3
REVIEW
Konstantinos Karamesinis, Efthimia K Basdra
Jaw discrepancies and malrelations affect a large proportion of the general population and their treatment is of utmost significance for individuals' health and quality of life. The aim of their therapy is the modification of aberrant jaw development mainly by targeting the growth potential of the mandibular condyle through its cartilage, and the architectural shape of alveolar bone through a suture type of structure, the periodontal ligament. This targeted treatment is achieved via external mechanical force application by using a wide variety of intraoral and extraoral appliances...
May 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29223727/urodynamic-characteristics-might-be-variable-in-bladder-pain-syndrome-interstitial-cystitis-patients-with-different-non-bladder-co-morbid-conditions
#4
Wei-Ming Cheng, Yu-Hua Fan, Alex T L Lin
BACKGROUND: The aim of the study was to identify the impact of non-bladder co-morbid conditions on the urodynamic characteristics of patients with bladder pain syndrome/interstitial cystitis. METHODS: Patients with bladder pain syndrome/interstitial cystitis completed the screening questionnaires for chronic fatigue syndrome, irritable bowel syndrome, fibromyalgia, temporo-mandibular disorders, multiple chemical sensitivities, tension/migraine headache, and localized myofascial pain disorder...
March 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28936895/a-study-on-the-post-radiotherapy-changes-of-temporomandibular-joint-in-nasopharyngeal-carcinoma-patients
#5
Vincent Wc Wu, Michael Tc Ying, Dora Lw Kwong
OBJECTIVE: Radiation-induced trismus, which is resulted from damage of the temporomandibular joint (TMJ), is one of the common late complications in nasopharyngeal carcinoma (NPC) patients after radical radiotherapy. This study investigated the radiation induced TMJ changes using ultrasonography in post-radiotherapy (post-RT) NPC patients. METHODS: 114 NPC patients, who had completed radiotherapy for more than 4 years, were assessed with the maximum incisal distance (MID) and ultrasonography examination of TMJ from which the maximum disc thickness of the joint disc, the condyle irregularity (CI), joint vascularity (JV) and relative muscle echogenicity were assessed...
December 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28902108/effects-of-two-different-self-adapted-occlusal-splints-on-electromyographic-and-force-parameters-during-elbow-flexors-isometric-contraction
#6
Eloisa Limonta, Chiara Arienti, Susanna Rampichini, Massimo Venturelli, Emiliano Cè, Arsenio Veicsteinas, Fabio Esposito
Limonta, E, Arienti, C, Rampichini, S, Venturelli, M, Cè, E, Veicsteinas, A, and Esposito, F. Effects of two different self-adapted occlusal splints on electromyographic and force parameters during elbow flexors isometric contraction. J Strength Cond Res 32(1): 230-236, 2018-The study was aimed at determining the acute effects of 2 types of occlusal splints on maximum isometric strength and fatigue of the elbow flexors muscles. The hypothesis was that splint-induced masticatory muscle repositioning might improve primary muscles recruitment by stretching masticatory muscles especially with the thicker splint...
January 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28872509/mandibular-condylar-fractures-in-children-morphofunctional-results-after-treatment-with-external-fixation
#7
Piero Cascone, Marco Marra Marcozzi, Valerio Ramieri, Giulio Bosco, Valentino Vellone, Fabrizio Spallaccia
Best treatment for paediatric patients with mandibular condylar fractures is still debated, and many approaches have been proposed. Closed treatment is the most used, but there is evidence showing long-term problems in patients with dislocated fractures. On the other hand, there are concerns on surgical treatment with open reduction internal fixation, particularly on the implanted hardware during growth. The aim of this study is to evaluate the long-term outcomes of paediatric patients treated surgically with external fixation...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28545771/efficacy-of-proportional-condylectomy-in-a-treatment-protocol-for-unilateral-condylar-hyperplasia-a-review-of-73-cases
#8
Guillaume Mouallem, Zahia Vernex-Boukerma, Julie Longis, Jean-Philippe Perrin, Jean Delaire, Jacques-Marie Mercier, Pierre Corre
INTRODUCTION: Unilateral condylar hyperplasia (UCH) is characterized by an excessive growth of a mandibular condyle, resulting in facial, and occlusal deformities. Scintigraphic hyperactivity usually triggers the need of condylectomy. Delaire has presented a protocol for the treatment of active or non-active UCH using systematically a proportional condylectomy, which could solve both aetiology and adaptive deformities. The aim of this study was to evaluate this protocol by clinical and radiographical analysis...
July 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28516966/expanded-transcanal-transpromontorial-approach-to-the-internal-auditory-canal-and-cerebellopontine-angle-a-cadaveric-study
#9
L Presutti, M Bonali, D Marchioni, G Pavesi, A Feletti, L Anschuetz, M Alicandri-Ciufelli
The aim of this paper is to describe and evaluate the feasibility of an expanded endoscopic transcanal transpromotorial approach (ExpTTA) to the internal auditory canal and the cerebellopontine angle. To this end, we performed a cadaveric dissection study in September 2015. In total, 2 heads (4 sides) were dissected focusing on anatomical landmarks and surgical feasibility. Data from dissections were reviewed and analysed for further consideration. In all 4 sides of the cadavers the procedure was feasible. In all cadavers, it was necessary to extensively drill the temporo-mandibular joint and to calibrate the external ear canal to allow adequate room to manoeuver the instruments and optics and to comfortably access the cerebellopontine angle...
June 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28452718/tinnitus-in-temporomandibular-joint-disorders-is-it-a-specific-somatosensory-tinnitus-subtype
#10
Giuseppe Maria Antonio Algieri, Alessandra Leonardi, Paolo Arangio, Valentino Vellone, Carlo Di Paolo, Piero Cascone
The most significant otologic symptoms, consisting of ear pain, tinnitus, dizziness, hearing loss and auricolar "fullness", generally arise within the auditory system, often are associated with extra auricolar disorders, particularly disorder of the temporo-mandibular joint. In our study we examined a sample of 200 consecutive patients who had experienced severe disabling symptom. The patiens came to maxillofacial specialist assessment for temporomandibular disorder. Each patient was assessed by a detailed anamnestic and clinical temporomandibular joint examination and they are divided into five main groups according classification criteria established by Wilkes; tinnitus and subjective indicators of pain are evaluated...
April 19, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28452576/the-effects-of-a-common-stainless-steel-orthodontic-bracket-on-the-diagnostic-quality-of-cranial-and-cervical-3t-mr-images-a-prospective-case-control-study
#11
Michele Cassetta, Nicola Pranno, Alessandro Stasolla, Nicola Orsogna, Davide Fierro, Costanza Cavallini, Vito Cantisani
OBJECTIVES: To evaluate the effect of orthodontic stainless steel brackets and two different types of archwires on the diagnostic quality of 3-T MR images. METHODS: This prospective, case-control study was conducted following Strengthening the Reporting of Observational Studies in Epidemiology guidelines. The recruitment was conducted among orthodontic patients. 80 subjects, requiring MRI for the presence of temporomandibular disorders, were enrolled and divided into four groups: 20 patients using aligners (control group); 20 patients with stainless steel brackets without archwires; 20 patients with stainless steel brackets and nickel-titanium archwires; and 20 patients with stainless steel brackets and stainless steel archwires...
August 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28439172/management-of-chronic-recurrent-dislocation-of-temporomandibular-joint-using-u-shaped-graft-a-new-restrictive-technique
#12
Kiran Gadre, Divya Singh, Pushkar Gadre, Rajshekhar Halli
BACKGROUND: Numerous procedures have been described for the treatment of chronic recurrent dislocation of the temporo-mandibular joint (TMJ), either in the form of enhancement or restriction of the condylar movement, with their obvious merits and demerits. MATERIALS AND METHOD: We present a new technique of using U shaped iliac bone graft to restrict the condylar movement and its advantages over the conventional techniques.We have used this technique successfully in 8 cases where Dautrey's procedure had failed with follow up period of 2 years...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28349915/use-of-mini-anchors-and-rehabilitation-with-0%C3%A2-cusp-angle-teeth-complete-denture-in-recurrent-condylar-dislocation-technical-adequacy-and-procedure
#13
Rafaella de S Leão, Edmilson Z da S Júnior, Marília Gm de Alencar, Raisa Q Catunda, Sandra Ld de Moraes, Belmiro C do E Vasconcelos
AIM: To report a case of association between the surgical treatment of temporomandibular dysfunction and rehabilitation with denture total prosthesis (TP) using nonanatomic teeth (cusp 0°) in patients with anterior recurrent dislocation of the temporo-mandibular joint (TMJ) and persistent uncontrolled mandibular movement, showing a technical adaptation and conduct. INTRODUCTION: There are several treatment approaches available for dislocation of the TMJ. The use of condylar mini-anchors for recurrent TMJ dislocation is a valid option and should be considered since it does not alter the joint anatomy...
April 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28330577/-custom-made-implant-for-complex-facial-reconstruction-a-case-of-total-replacement-of-temporo-mandibular-joint-zygomatic-arch-and-malar-bone
#14
D Guillier, V Moris, L-A See, M Girodon, B-L Wajszczak, N Zwetyenga
INTRODUCTION: Total prosthetic replacement of the temporo-mandibular joint (TMJ) has become a common procedure, but it is usually limited to the TMJ itself. We report about one case of complex prosthetic joint reconstruction extending to the neighbouring bony structures. CASE: A 57-year-old patient, operated several times for a cranio-facial fibrous dysplasia, presented with a recurring TMJ ankylosis and a complexe latero-facial bone loss on the right side. We performed a reconstruction procedure including the TMJ, the zygomatic arch and the malar bone by mean of custom made composite prosthesis (chrome-cobalt-molybdenum-titanium and polyethylene)...
February 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28290243/motif-discovery-in-speech-application-to-monitoring-alzheimer-s-disease
#15
Peter Garrard, Vanda Nemes, Dragana Nikolic, Anna Barney
BACKGROUND: Perseveration - repetition of words, phrases or questions in speech - is commonly described in Alzheimer's disease (AD). Measuring perseveration is difficult, but may index cognitive performance, aiding diagnosis and disease monitoring. Continuous recording of speech would produce a large quantity of data requiring painstaking manual analysis, and risk violating patients' and others' privacy. A secure record and an automated approach to analysis are required. OBJECTIVES: To record bone-conducted acoustic energy fluctuations from a subject's vocal apparatus using an accelerometer, to describe the recording and analysis stages in detail, and demonstrate that the approach is feasible in AD...
March 9, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28251364/complications-after-orthognathic-surgery-our-experience-on-423-cases
#16
Marco Friscia, Carolina Sbordone, Marzia Petrocelli, Luigi Angelo Vaira, Federica Attanasi, Francesco Maria Cassandro, Mariano Paternoster, Giorgio Iaconetta, Luigi Califano
INTRODUCTION: Orthognathic surgery is widely used to correct dentofacial discrepancies. However, this procedure presents numerous possible complications. The aim of our study is to review intraoperative and postoperative complications related to orthognathic surgery based upon a 10-year period in the Maxillofacial Surgery Department of Federico II University of Naples. MATERIALS AND METHODS: Medical records of 423 patients who undergone orthognathic surgery in a 10-year period were retrospectively analyzed and complications was noted...
June 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28177331/the-role-of-masseter-muscle-emg-during-dise-to-predict-the-effectiveness-of-mad-preliminary-results
#17
M R Marchese, E Scarano, G Rizzotto, C Grippaudo, G Paludetti
The use of a mandibular advancement device (MAD) increases the activity of the temporo-mandibular (TM) complex and masseter (MM) muscles with the risk of reducing treatment compliance. Predictors of treatment outcome are of importance in selecting patients who might benefit from MAD without side effects. The role of mandibular advancement (MA) during drug-induced sleep endoscopy (DISE) is controversial. In three cases (BMI < 30) affected by non-severe OSAS (AHI < 30 e/h), we recorded the surface EMG signal of MM activity during DISE...
December 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/27957267/psycho-social-impact-of-orthogathic-sugery
#18
Paolo Cariati, Rocío Martínez, Ildefonso Martínez-Lara
BACKGROUND: Orthognathic surgery is a branch of maxillofacial surgery. It carries out the treatment of the facial skeleton asymmetries and deformities. The patients who ask for this surgery are often young people who usually refer symptoms related to dental malocclusion, difficulty eating and temporo-mandibular pain. These physical symptoms are often accompanied by psychological symptoms triggered by their physical appearance such as low self-esteem, self-confidence and negativism about their social and emotional future...
December 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27938654/-orthognathic-surgery-the-incisor-decompensation-and-its-effect-on-articulation
#19
Monique Raberin
INTRODUCTION: The surgical protocols are based on arches preparation before or immediately after the surgical phase. Incisor guides normalization is achieved by incisor decompensation in three dimensions. Place and extend of surgical movements depend on the incisor position obtained at the end of orthodontic preparation. Extraction versus non extraction depends on incisor position planning. Orthognathic surgery induces muscular and temporo-mandibular joint stress which can cause temporo mandibular dysfunction (TMD)...
December 2016: L' Orthodontie Française
https://www.readbyqxmd.com/read/27836445/-masticatory-system-and-maxillofacial-prosthesis-from-pathology-to-function-recovering
#20
REVIEW
S Vo Quang, J Dichamp
Maxillofacial prosthesis (MFP) can be defined as the art and science of esthetic and functional reconstruction of the facial bones, art because it uses hand-crafted and empirical rules, science because of its technical rigorism and its integration in medicine. MFP aims to multidisciplinary rehabilitate patients presenting with cutaneous and underlying structures defects, It also allows for functional speech and swallowing rehabilitation related to temporo-mandibular joint disorders. Whatever the origin, (traumatic, infectious ortumoral), surgical treatment of these TMJ disorders is usually not indicated in first-line...
December 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
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