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https://www.readbyqxmd.com/read/28068790/temporomandibular-disorders-old-ideas-and-new-concepts
#1
Thomas List, Rigmor Højland Jensen
Background Temporomandibular disorders (TMD) is an umbrella term for pain and dysfunction involving the masticatory muscles and the temporomandibular joints (TMJs). TMD is the most common orofacial pain condition. Its prominent features include regional pain in the face and preauricular area, limitations in jaw movement, and noise from the TMJs during jaw movements. TMD affects up to 15% of adults and 7% of adolescents. Chronic pain is the overwhelming reason that patients with TMD seek treatment. TMD can associate with impaired general health, depression, and other psychological disabilities, and may affect the quality of life of the patient...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28067851/detection-location-and-grasping-objects-using-a-stereo-sensor-on-uav-in-outdoor-environments
#2
Pablo Ramon Soria, Begoña C Arrue, Anibal Ollero
The article presents a vision system for the autonomous grasping of objects with Unmanned Aerial Vehicles (UAVs) in real time. Giving UAVs the capability to manipulate objects vastly extends their applications, as they are capable of accessing places that are difficult to reach or even unreachable for human beings. This work is focused on the grasping of known objects based on feature models. The system runs in an on-board computer on a UAV equipped with a stereo camera and a robotic arm. The algorithm learns a feature-based model in an offline stage, then it is used online for detection of the targeted object and estimation of its position...
January 7, 2017: Sensors
https://www.readbyqxmd.com/read/28051291/biobanking-in-carotid-artery-disease-translation-to-clinical-practice
#3
Ian D VAN Koeverden, Joyce E Vrijenhoek, Gert J DE Borst, Hester M DEN Ruijter, Gerard Pasterkamp
Biobanking of atherosclerotic tissue samples has contributed to our understanding of vascular occlusive disease. The careful examination of atherosclerotic plaques derived during vascular surgery or autopsies helped shape our minds in understanding the underlying substrate of arterial thrombosis. This review will outline concepts of progression of atherosclerotic disease that have been based on descriptions of human plaque pathology. In addition, we will discuss the current shift in clinical presentation and underlying pathology of acute cerebral and coronary events that asks for a careful consideration of the currently widely applied description of the "vulnerable plaque"...
January 4, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28050660/new-alcohol-and-onyx-mixture-for-embolization-feasibility-and-proof-of-concept-in-both-in-vitro-and-in-vivo-models
#4
Mohammad Saeed Kilani, Fatemeh Zehtabi, Sophie Lerouge, Gilles Soulez, Jean Michel Bartoli, Vincent Vidal, Mohammad F Badran
INTRODUCTION: Onyx and ethanol are well-known embolic and sclerotic agents that are frequently used in embolization. These agents present advantages and disadvantages regarding visibility, injection control and penetration depth. Mixing both products might yield a new product with different characteristics. The aim of this study is to evaluate the injectability, radiopacity, and mechanical and occlusive properties of different mixtures of Onyx 18 and ethanol in vitro and in vivo (in a swine model)...
January 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28045826/free-hand-perforator-concept-in-osteocutaneous-free-fibula-flap-through-posterior-approach
#5
Yigit Ozer Tiftikcioglu, Ersin Gur, Tahir Gurler
BACKGROUND: The fibula flap is a workhorse flap for bony reconstruction of oro-mandibular area and can be modified to include soft tissue for reconstruction of composite defects. However, the design of a reliable skin paddle that can be used for composite tissue reconstruction remains a challenge. The authors described the applicability of perforator concept for a more reliable free osteomusculocutaneous fibula flap. METHODS: Between 2013 and 2015, 29 patients underwent free fibula osteocutaneous flap reconstruction...
December 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28025444/histological-evaluation-of-three-techniques-for-caries-removal
#6
Etienne Medioni, Jean-Paul Rocca, Carlo Fornaini, Elisabetta Merigo
A number of concepts and devices have been proposed for caries removal. Among these, the Er:YAG laser is a potential alternative to conventional mechanical treatment. This study compared the effectiveness of the Er:YAG laser with that of low-speed rotary instruments for removal of carious tissue in 26 extracted human molars and premolars with severe decay (i.e., large occlusal or proximal decay but no pulpal contact). The teeth were divided into three groups of eight teeth, and two teeth were used as controls...
2016: Journal of Oral Science
https://www.readbyqxmd.com/read/28008431/3d-printed-orthodontic-brackets-proof-of-concept
#7
Karl-Friedrich Krey, Nawras Darkazanly, Rolf Kühnert, Sebastian Ruge
: Today, orthodontic treatment with fixed appliances is usually carried out using preprogrammed straight-wire brackets made of metal or ceramics. OBJECTIVE: The goal of this study was to determine the possibility of clinically implementing a fully digital workflow with individually designed and three-dimensionally printed (3D-printed) brackets. MATERIALS AND METHODS: Edgewise brackets were designed using computer-aided design (CAD) software for demonstration purposes...
2016: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28000275/current-state-of-the-art-of-computer-guided-implant-surgery
#8
REVIEW
Jan D'haese, Johan Ackhurst, Daniel Wismeijer, Hugo De Bruyn, Ali Tahmaseb
The invention of computerized axial tomography (now known as computerized tomography) and developments of interactive software to allow virtual planning, with the aim to guide the surgery precisely toward a specific target, has dramatically improved general, as well as oral, surgery. Virtual dental implant planning allows for a prosthetically driven approach, resulting in the best possible design of the prosthesis, better esthetics, optimized occlusion and loading. This approach has also changed the surgical paradigm of using extensive flaps to obtain a proper view of the surgical area because flapless implant surgery, with or without immediate loading, has become more predictable...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/27993999/natural-conception-repeated-predictions-over-time
#9
R van Eekelen, I Scholten, R I Tjon-Kon-Fat, J W van der Steeg, P Steures, P Hompes, M van Wely, F van der Veen, B W Mol, M J Eijkemans, E R Te Velde, N van Geloven
STUDY QUESTION: How can we predict chances of natural conception at various time points in couples diagnosed with unexplained subfertility? SUMMARY ANSWER: We developed a dynamic prediction model that can make repeated predictions over time for couples with unexplained subfertility that underwent a fertility workup at a fertility clinic. WHAT IS KNOWN ALREADY: The most frequently used prediction model for natural conception (the 'Hunault model') estimates the probability of natural conception only once per couple, that is, after completion of the fertility workup...
December 18, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27984211/perihilar-glissonian-approach-for-anatomical-parenchymal-sparing-liver-resections-technical-aspects-the-taping-game
#10
Rodrigo Figueroa, Andrea Laurenzi, Alexis Laurent, Daniel Cherqui
OBJECTIVE: To present technical details for central hepatectomy and right anterior and posterior sectionectomies using perihilar Glissonian approach for anatomical delineation and selective inflow occlusion. BACKGROUND: Central tumors and those deeply located in the right liver may require extensive resections because of their proximity to major vascular structures. In such cases, anatomical more limited resections such as central hepatectomy or sectionectomies may provide an alternative to extensive surgery by assuring both parenchymal sparing and suitable oncologic resection...
December 15, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27929726/treatment-of-amblyopia-using-personalized-dosing-strategies-statistical-modelling-and-clinical-implementation
#11
Michael P Wallace, Catherine E Stewart, Merrick J Moseley, David A Stephens, Alistair R Fielder
PURPOSE: To generate a statistical model for personalizing a patient's occlusion therapy regimen. METHODS: Statistical modelling was undertaken on a combined data set of the Monitored Occlusion Treatment of Amblyopia Study (MOTAS) and the Randomized Occlusion Treatment of Amblyopia Study (ROTAS). This exercise permits the calculation of future patients' total effective dose (TED)-that predicted to achieve their best attainable visual acuity. Daily patching regimens (hours/day) can be calculated from the TED...
December 2016: Strabismus
https://www.readbyqxmd.com/read/27883359/the-contributions-of-dr-alfred-gysi
#12
Rodney D Phoenix, Robert L Engelmeier
This article is a historical overview of Dr. Alfred Gysi's contributions to the profession in the areas of denture tooth and articulator design. His understanding of occlusion and mandibular movement resulted in denture tooth designs and occlusal concepts still in widespread use.
November 24, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27867089/clinical-vascular-imaging-in-the-brain-at-7t
#13
Laurens Jl De Cocker, Arjen Lindenholz, Jaco Jm Zwanenburg, Anja G van der Kolk, Maarten Zwartbol, Peter R Luijten, Jeroen Hendrikse
Stroke and related cerebrovascular diseases are a major cause of mortality and disability. Even at standard-field-strengths (1.5T), MRI is by far the most sensitive imaging technique to detect acute brain infarctions and to characterize incidental cerebrovascular lesions, such as white matter hyperintensities, lacunes and microbleeds. Arterial time-of-flight (TOF) MR angiography (MRA) can depict luminal narrowing or occlusion of the major brain feeding arteries, and this without the need for contrast administration...
November 18, 2016: NeuroImage
https://www.readbyqxmd.com/read/27856841/hemolysis-generation-from-a-novel-linear-positive-displacement-blood-pump-for-cardiopulmonary-bypass-on-a-six-kilogram-piglet-a-preliminary-report
#14
D Scott Lawson, Derek Eilers, Suzanne Osorio Lujan, Maria Bortot, James Jaggers
BACKGROUND: Current blood pumps used for cardiopulmonary bypass generally fall into two different pump design categories; non-occlusive centrifugal pumps and occlusive, positive-displacement roller pumps. The amount of foreign surface area of extracorporeal circuits correlates with post-operative morbidity due to systemic inflammation, leading to a push for technology that reduces the amount of foreign surfaces. Current roller pumps are bulky and the tubing forms an arc in the pumping chamber (raceway), positioning the inlet 360 degrees from the outlet, making it very difficult to place the pump closer to the patient and to efficiently reduce tubing length...
November 16, 2016: Perfusion
https://www.readbyqxmd.com/read/27820707/resuscitative-endovascular-balloon-occlusion-of-the-aorta-promise-practice-and-progress
#15
Zane B Perkins, Robbie A Lendrum, Karim Brohi
PURPOSE OF REVIEW: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a minimally invasive damage control procedure for life-threatening abdominal or pelvic haemorrhage. The purpose of this review is to summarize the current understanding and experience with REBOA, outline potential future applications of this technology, and highlight priority areas for further research. RECENT FINDINGS: REBOA is a feasible method of achieving temporary aortic occlusion and can be performed rapidly, with a high degree of success, in the emergency setting (including at the scene of injury) by appropriately trained clinicians...
November 4, 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27805960/resuscitative-endovascular-balloon-occlusion-of-the-aorta-promise-practice-and-progress
#16
Zane B Perkins, Robbie A Lendrum, Karim Brohi
PURPOSE OF REVIEW: Resuscitative endovascular balloon occlusion of the aorta (REBOA) is a minimally invasive damage control procedure for life-threatening abdominal or pelvic haemorrhage. The purpose of this review is to summarize the current understanding and experience with REBOA, outline potential future applications of this technology, and highlight priority areas for further research. RECENT FINDINGS: REBOA is a feasible method of achieving temporary aortic occlusion and can be performed rapidly, with a high degree of success, in the emergency setting (including at the scene of injury) by appropriately trained clinicians...
December 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27800192/orthodontic-traction-of-impacted-canine-using-cantilever
#17
Cláudia Nakandakari, João Roberto Gonçalves, Daniel Serra Cassano, Taísa Boamorte Raveli, Jonas Bianchi, Dirceu Barnabé Raveli
The impaction of the maxillary canines causes relevant aesthetic and functional problems. The multidisciplinary approach to the proper planning and execution of orthodontic traction of the element in question is essential. Many strategies are cited in the literature; among them is the good biomechanical control in order to avoid possible side effects. The aim of this paper is to present a case report in which a superior canine impacted by palatine was pulled out with the aid of the cantilever on the Segmented Arch Technique (SAT) concept...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27790973/acidogenicity-and-acid-tolerance-of-streptococcus-oralis-and-streptococcus-mitis-isolated-from-plaque-of-healthy-and-incipient-caries-teeth
#18
Jeffrey A Banas, Min Zhu, Deborah V Dawson, Derek R Blanchette, David R Drake, Hongjie Gu, Ryan Frost, Grant McCaulley, Steven M Levy
BACKGROUND: Non-mutans low pH oral streptococci are postulated to contribute to caries etiology. OBJECTIVE: This study was undertaken to investigate whether the acidogenicity and acid tolerance of clinical strains of Streptococcus oralis and Streptococcus mitis correlate with health or early-stage enamel caries. DESIGN: S. oralis and S. mitis were isolated from plaque samples taken from the occlusal surfaces of second molars sampled at two different visits 4 years apart...
2016: Journal of Oral Microbiology
https://www.readbyqxmd.com/read/27785586/the-randomized-shortened-dental-arch-study-influence-of-two-different-treatments-on-interdental-spacing-over-5%C3%A2-years
#19
Jaana-Sophia Kern, Stefan Wolfart, Ralf-Dieter Hilgers, Birgit Marré, Herbert Scheller, Jörg Strub, Klaus Böning, Wolfgang Hannak, Ralph G Luthardt, Guido Heydecke, Jan Huppertz, Peter Pospiech, Bernd Wöstmann, Helmut Stark, Torsten Mundt, Florentine Jahn, Matthias Kern, Daniel Edelhoff, Michael H Walter
OBJECTIVES: Being a secondary outcome in a multicenter randomized controlled trial, the present analysis focused on interdental spacing in the shortened dental arch (SDA). The aim was to evaluate changes in interdental spacing in dependence of two different treatments after an observation period of up to 5 years. MATERIAL AND METHODS: Patients were either treated with a partial removable dental prosthesis (PRDP) for molar replacement (PRDP group) or according to the SDA concept aiming at a premolar occlusion (SDA group) in a randomized manner...
October 26, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27747654/a-prospective-cross-over-study-to-evaluate-the-effect-of-two-different-occlusal-concepts-on-the-masseter-muscle-activity-in-implant-retained-mandibular-overdentures
#20
Ahmed M Abdelhamid, Kenda I Hanno, Mohamed H Imam
BACKGROUND: The purpose of this prospective cross-over study is to evaluate the effect of bilateral balanced occlusion and canine guidance occlusion on the masseter muscle activity using implant-retained mandibular overdentures. METHODS: After evaluation of 12 completely edentulous patients using cone beam computed tomography (CBCT), mucoperiosteal flaps were reflected exposing the mandibular interforaminal region. Two implants were placed in the interforaminal region for each of the 12 patients...
December 2015: International Journal of Implant Dentistry
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