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https://www.readbyqxmd.com/read/28813828/active-lower-limb-orthosis-with-one-degree-of-freedom-for-people-with-paraplegia
#1
Michal Gloger, Goro Obinata, Eiichi Genda, Jan Babjak, Yanling Pei
The main challenges of designing devices for paraplegic walking can be summarized into three groups, stability and comfort, high efficiency or low energy consumption, dimensions and weight. A new economical device for people with paraplegia which tackles all problems of the three groups is introduced in this paper. The main idea of this device is based on HALO mechanism. HALO is compact passive medial hip joint orthosis with contralateral hip and ankle linkage, which keeps the feet always parallel to the ground and assists swinging the leg...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28806379/evaluation-of-protraction-face-mask-therapy-on-the-craniofacial-and-upper-airway-morphology-in-unilateral-cleft-lip-and-palate
#2
Defne Keçik
INTRODUCTION: The aim of the authors' study was to evaluate the effects of protraction face-mask therapy on the craniofacial and upper airway morphology in patients with unilateral cleft lip and palate (UCLP). METHODS: Twenty-three growing UCLP patients (mean age: 8.3 + 2.4) were enrolled in the study group. Protraction face-mask in combination with Hyrax appliance was applied for the correction of anterior crossbite and maxillary insufficiency. Twenty-six patients with maxillary retrusion (mean age: 8...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28791794/synthesis-of-2d-layered-bii3-nanoplates-bii3-wse2-van-der-waals-heterostructures-and-their-electronic-optoelectronic-properties
#3
Jia Li, Xun Guan, Chen Wang, Hung-Chieh Cheng, Ruoqi Ai, Kangkang Yao, Peng Chen, Zhengwei Zhang, Xidong Duan, Xiangfeng Duan
Two-dimensional layered materials (2DLMs) have attracted considerable recent interest as a new material platform for fundamental materials science and potential new technologies. Here we report the growth of layered metal halide materials and their optoelectronic properties. BiI3 nanoplates can be readily grown on SiO2 /Si substrates with a hexagonal geometry, with a thickness in the range of 10-120 nm and a lateral dimension of 3-10 µm. Transmission electron microscopy and electron diffraction studies demonstrate that the individual nanoplates are high quality single crystals...
August 9, 2017: Small
https://www.readbyqxmd.com/read/28782099/knowledge-perceptions-and-clinical-application-of-the-shortened-dental-arch-concept-among-malaysian-government-dentists
#4
Siti Kamilah Mohd Kasim, Ishak Abdul Razak, Zamros Yuzadi Mohd Yusof
AIM: To assess the knowledge and perceptions of Malaysian government dentists regarding the shortened dental arch (SDA) concept and its application in clinical practice. BACKGROUND: The SDA concept refers to a specific type of dentition with intact anterior teeth and a reduction in posterior occlusal pairs. Dentists' knowledge and perceptions of the SDA concept can influence its application in clinical practice. METHODS: A self-administered questionnaire on the SDA concept was distributed to 326 government dentists in the states of Selangor and Kuala Lumpur, Malaysia...
August 7, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28782006/nondestructive-imaging-of-atomically-thin-nanostructures-buried-in-silicon
#5
Georg Gramse, Alexander Kölker, Tingbin Lim, Taylor J Z Stock, Hari Solanki, Steven R Schofield, Enrico Brinciotti, Gabriel Aeppli, Ferry Kienberger, Neil J Curson
It is now possible to create atomically thin regions of dopant atoms in silicon patterned with lateral dimensions ranging from the atomic scale (angstroms) to micrometers. These structures are building blocks of quantum devices for physics research and they are likely also to serve as key components of devices for next-generation classical and quantum information processing. Until now, the characteristics of buried dopant nanostructures could only be inferred from destructive techniques and/or the performance of the final electronic device; this severely limits engineering and manufacture of real-world devices based on atomic-scale lithography...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28765660/-changes-in-quality-of-life-in-patients-undergoing-bariatric-surgery-following-24-months-comparison-between-gastric-bypass-and-tubular-vertical-gastrectomy
#6
C J Vander Hofstadt Román, S Escribano Cubas, S Tirado González, E Pérez Martínez, J L Estrada Caballero, S Ortiz Sebastián, J Rodríguez-Marín, C Leal Costa
BACKGROUND: Bariatric surgery has become the procedure of choice to deal with morbid and super-morbid obesity, with the greatest chance of success. The objectives of this study were: a) to analyse the evolution of the percentage of excess BMI lost (PEBMIL) and quality of life in the medium and long term after bariatric surgery; b) to evaluate the differences in PEBMIL and quality of life according to the surgical technique performed; and c) examine the relationship between PEBMIL and quality of life...
July 28, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28761940/management-of-ankylotic-root-resorption-following-dental-trauma-a-short-review-and-proposal-of-a-treatment-protocol
#7
Shaul Lin, Malka Ashkenazi, Munir Karawan, Sorin T Teich, Zvi Gutmacher
Ankylotic root resorption is a serious complication following traumatic dental injuries. The aetiology of root resorption includes acute injury to the cementum and periodontal ligament, and subsequent biological processes that propagate the harm. The aim of the present paper is to present a structured treatment protocol for teeth that have experienced trauma and are at risk of developing ankylotic root resorption, followed by a decoronation protocol for situations in which ankylotic root resorption developed...
July 31, 2017: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/28758843/railway-safety-climate-a-study-on-organizational-development
#8
Yung-Hsiang Cheng
The safety climate of an organization is considered as a leading indicator of potential risk for railway organizations. This study adopts the perceptual measurement-individual attribute approach to investigate the safety climate of a railway organization. The railway safety climate attributes are evaluated from the perspective of railway system staff. We identify four safety climate dimensions from exploratory factor analysis, namely, safety communication, safety training, safety management, and subjectively evaluated safety performance...
July 31, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28757934/applications-of-biomaterials-for-bone-augmentation-of-jaws-clinical-outcomes-and-in-vitro-studies
#9
L Tettamanti, M Andreasi Bassi, G Trapella, V Candotto, A Tagliabue
Partially or totally edentulous jaws frequently undergoes from moderate to severe bone atrophy with problems of prosthetic rehabilitation. The inability to make a prosthetic rehabilitation on implants may led to the use of a partial or total removable denture with difficulties in eating and speech, ulcerations of the oral mucosa and loss of facial vertical dimension. These problems may be solved performing bone augmentation procedures. Bone grafts and distraction osteogenesis brought implant dentistry from an experimental practice to become a consolidate dental procedure...
January 2017: Oral & Implantology
https://www.readbyqxmd.com/read/28750071/rising-tones-and-rustling-noises-metaphors-in-gestural-depictions-of-sounds
#10
Guillaume Lemaitre, Hugo Scurto, Jules Françoise, Frédéric Bevilacqua, Olivier Houix, Patrick Susini
Communicating an auditory experience with words is a difficult task and, in consequence, people often rely on imitative non-verbal vocalizations and gestures. This work explored the combination of such vocalizations and gestures to communicate auditory sensations and representations elicited by non-vocal everyday sounds. Whereas our previous studies have analyzed vocal imitations, the present research focused on gestural depictions of sounds. To this end, two studies investigated the combination of gestures and non-verbal vocalizations...
2017: PloS One
https://www.readbyqxmd.com/read/28740973/prosthodontic-treatment-of-an-angle-iii-class-malocclusion-a-case-report
#11
Andreja Kuliš, Igor Kopač
Patients with an Angle Class III malocclusion are generally treated by orthodontics with or without orthognathic surgery. A literature search revealed very few articles describing solely the prosthodontic treatment of a Class III malocclusion, as it is rarely used as a treatment modality in these cases. The purpose of this article is to show the effects and benefits of an increase in the vertical dimension of the occlusion (VDO) in patients with a Class III malocclusion. An increase in the VDO causes a clockwise rotation of the mandible, thereby increasing the reverse overjet...
July 20, 2017: Quintessence International
https://www.readbyqxmd.com/read/28725962/optimal-positioning-of-the-nipple-areola-complex-in-men-using-the-mohrenheim-estimated-tangential-tracking-line-mett-line-an-intuitive-approach
#12
Tobias R Mett, Nicco Krezdorn, Rosalia Luketina, Maria K Boyce, Helga Henseler, Ramin Ipaktchi, Peter M Vogt
INTRODUCTION: The reconstruction of the body shape after post-bariatric surgery or high-grade gynecomastia involves, besides skin tightening, the repositioning of anatomical, apparent landmarks. The surgeon usually defines these during the preoperative planning. In particular, the positions of the nipple-areola complexes (NAC) should contribute to the gender-appropriate appearance. While in the female breast numerous methods have been developed to determine the optimal position of the NACs, there are only a few, metric and often impractical algorithms for positioning the nipples and areoles in the male...
July 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28721997/selection-of-dental-implants-based-on-masticatory-load-of-the-patient-a-novel-approach
#13
Sindhu Sudhakar Kumararama, Ramesh Chowdhary
PURPOSE: Masticatory load and efficiency vary from one individual to other. Maximum load of one person may be the least load of another. Hence, optimization of dental implants based on the load dissipation of an individual is essential for a better prognosis of implant-supported prosthesis. The aim of the study was to find the appropriate implant dimensions for the particular region based on the masticatory efficiency of the individual. MATERIALS AND METHODS: A two-dimensional-threaded implant model was designed, which was duplicated in total 28 models with varying dimensions starting from 3 mm × 8 mm till 6 mm × 14 mm, with an incremental increase of 2 mm in length and 0...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28721994/evaluation-of-marginal-and-internal-gaps-of-metal-ceramic-crowns-obtained-from-conventional-impressions-and-casting-techniques-with-those-obtained-from-digital-techniques
#14
Rathika Rai, S Arun Kumar, R Prabhu, Ranjani Thillai Govindan, Faiz Mohamed Tanveer
BACKGROUND: Accuracy in fit of cast metal restoration has always remained as one of the primary factors in determining the success of the restoration. A well-fitting restoration needs to be accurate both along its margin and with regard to its internal surface. AIM: The aim of the study is to evaluate the marginal fit of metal ceramic crowns obtained by conventional inlay casting wax pattern using conventional impression with the metal ceramic crowns obtained by computer-aided design and computer-aided manufacturing (CAD/CAM) technique using direct and indirect optical scanning...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28720812/silicon-nanocrystal-based-photonic-crystal-slabs-with-broadband-and-efficient-directional-light-emission
#15
L Ondič, M Varga, I Pelant, J Valenta, A Kromka, R G Elliman
Light extraction from a thin planar layer can be increased by introducing a two-dimensional periodic pattern on its surface. This structure, the so-called photonic crystal (PhC) slab, then not only enhances the extraction efficiency of light but can direct the extracted emission into desired angles. Careful design of the structures is important in order to have a spectral overlap of the emission with extraction (leaky) modes. We show that by fabricating PhC slabs with optimized dimensions from silicon nanocrystals (SiNCs) active layers, the extraction efficiency of vertical light emission from SiNCs at a particular wavelength can be enhanced ∼ 11 times compared to that of uncorrugated SiNCs-rich layer...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28713763/evaluation-of-three-different-processing-techniques-in-the-fabrication-of-complete-dentures
#16
Vamsi Krishna Chintalacheruvu, Rajasekaran Uttukuli Balraj, Lavanya Sireesha Putchala, Sreelekha Pachalla
AIMS AND OBJECTIVES: The objective of the present study is to compare the effectiveness of three different processing techniques and to find out the accuracy of processing techniques through number of occlusal interferences and increase in vertical dimension after denture processing. MATERIALS AND METHODS: A cross-sectional study was conducted on a sample of 18 patients indicated for complete denture fabrication was selected for the study and they were divided into three subgroups...
June 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28713363/geographic-distribution-of-ammonia-oxidizing-archaea-along-the-kuril-islands-in-the-western-subarctic-pacific
#17
Hongmei Jing, Shunyan Cheung, Xiaomin Xia, Koji Suzuki, Jun Nishioka, Hongbin Liu
Community composition and abundance of ammonia-oxidizing archaea (AOA) in the ocean were affected by different physicochemical conditions, but their responses to physical barriers (such as a chain of islands) were largely unknown. In our study, geographic distribution of the AOA from the surface photic zone to the deep bathypelagic waters in the western subarctic Pacific adjacent to the Kuril Islands was investigated using pyrosequencing based on the ammonia monooxygenase subunit A (amoA) gene. Genotypes of clusters A and B dominated in the upper euphotic zone and the deep waters, respectively...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28713305/sequential-modulations-in-a-combined-horizontal-and-vertical-simon-task-is-there-erp-evidence-for-feature-integration-effects
#18
Katharina Hoppe, Kristina Küper, Edmund Wascher
In the Simon task, participants respond faster when the task-irrelevant stimulus position and the response position are corresponding, for example on the same side, compared to when they have a non-corresponding relation. Interestingly, this Simon effect is reduced after non-corresponding trials. Such sequential effects can be explained in terms of a more focused processing of the relevant stimulus dimension due to increased cognitive control, which transfers from the previous non-corresponding trial (conflict adaptation effects)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28709674/accuracy-of-cad-cam-fabricated-removable-partial-dentures
#19
Christin Arnold, Jeremias Hey, Ramona Schweyen, Jürgen M Setz
STATEMENT OF PROBLEM: The conventional fabrication of removable partial dentures (RPDs) is a complex, error-prone, time-consuming, and expensive process. The use of computer-aided design and computer-aided manufacturing (CAD-CAM) techniques, especially rapid prototyping, promises a more effective method for fabricating RPD frameworks. PURPOSE: The purpose of this in vitro study was to evaluate the fit of RPD clasps fabricated by means of 4 different CAD-CAM-systems and to compare those fittings with that of the conventional lost-wax casting technique (LWT)...
July 11, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28708645/a-digital-assessment-of-the-maxillary-deformity-correction-in-infants-with-bilateral-cleft-lip-and-palate-using-computer-aided-nasoalveolar-molding
#20
Xin Gong, Jun Zhao, Jiawei Zheng, Quan Yu
OBJECTIVES: To evaluate the maxillary alveolar repositioning of the infants with bilateral cleft lip and palate (BCLP) undergoing computer-aided nasoalveolar molding (CAD-NAM). METHODS: A total of 19 BCLP infants undergoing CAD-NAM were recruited as the treatment group, and 21 nonpresurgically treated BCLP patients served as controls. The upper alveolar morphology was measured and evaluated. Changes in all variables between pre- and post-CAD-NAM were compared. RESULTS: By the end of CAD-NAM, significant difference was found in the P-A, P'-A', and L-ideal midline (P < 0...
July 13, 2017: Journal of Craniofacial Surgery
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