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Charlotte Jensen, Gerry M Raghoebar, Wouter Kerdijk, Henny J A Meijer, Marco S Cune
OBJECTIVES: To assess the benefits of implant support to Removable Partial Dentures (RPD) in patients with a bilateral free-ending situation in the mandible and to determine the most favorable implant position: the premolar (PM) or the molar (M) region. METHODS: Thirty subjects with a bilateral unbounded posterior saddle received 2 PM and 2M Implants. A new RPD was placed. Implant support was provided 3 months later. Two PM implants supported the RPD. After 3 months the 2M implants were used or vice versa...
October 18, 2016: Journal of Dentistry
Gabriëlle H S Buitendijk, Ada J Hooghart, Corina Brussee, Paulus T V M de Jong, Albert Hofman, Johannes R Vingerling, Caroline C W Klaver
Purpose: Reticular pseudodrusen (RPD) are considered to be a distinct feature in AMD. Population studies have studied the epidemiology of RPD using standard color fundus photographs (CFP). However, recent studies have shown that RPD are better imaged using near-infrared (NIR) imaging. We studied the epidemiology of RPD in a large population-based study using NIR and CFP. Methods: Participants aged 65+ years from the Rotterdam Study underwent ophthalmologic examination including NIR and CFP...
October 1, 2016: Investigative Ophthalmology & Visual Science
J Q Gil, J P Marques, R Hogg, C Rosina, M L Cachulo, A Santos, G Staurenghi, U Chakravarthy, R Silva
PurposeTo determine whether reticular pseudodrusen (RPD) confer a long-term increased risk of progression to late age-related macular degeneration (AMD) in the fellow eye of patients with unilateral wet-AMD.Patients and methodsThis was a multicenter, combined prospective and retrospective, longitudinal, observational, study. Patients with wet-AMD in one eye were recruited from two centers and evaluated on the risk of progression to late-AMD in the second eye (study eye). A minimum follow-up of 5 years was required, unless progression occurred first...
October 21, 2016: Eye
Rogan G Fraser, Rose Tan, Lauren N Ayton, Emily Caruso, Robyn H Guymer, Chi D Luu
Purpose: We determine the feasibility of using a dark-adapted chromatic (DAC) perimeter to obtain dark-adapted static and dynamic rod function at multiple retinal locations, and compare these functional parameters between subjects with intermediate age-related macular degeneration (AMD) and normal controls. Methods: Perimetric dark-adapted retinal sensitivities for the 505 and 620 nm stimuli across 7 retinal locations within the central 12° were repeatedly measured after exposing to a single photobleach in 22 intermediate AMD subjects and 8 controls...
October 1, 2016: Investigative Ophthalmology & Visual Science
P A Lopes, A P Martins, S V Martins, M S Madeira, N C Santos, T F Moura, J A M Prates, G Soveral
The production of pork with moderate amounts of intramuscular fat (IMF) without an increase in subcutaneous fat is highly desirable for the meat industry. Several studies indicate that dietary protein reduction during the growing-finishing period of pigs enhances IMF content, but its consequence on carcass fat deposition is still contradictory. In this study, we hypothesized that the effects of reduced protein diets (RPD), corrected or not with the limiting amino acid lysine, on subcutaneous fat deposition from pigs with distinct genotypes are mediated by adipose membranes biophysical properties...
October 17, 2016: Animal: An International Journal of Animal Bioscience
Jiang-Lin Li, Da-Wen Sun, Hongbin Pu, Digvir S Jayas
Surface-enhanced Raman scattering (SERS) imaging coupling with multivariate analysis in spectral region of 200 to 1800cm(-1) was developed to quantify and visualize thiophanate-methyl (TM) and its metabolite carbendazim residues in red bell pepper (Capsicum annuum L.). Least squares support vector machines (LS-SVM) and support vector machines (SVM) models based on seven optimized characteristic peaks that showed SERS effects of TM and its metabolite carbendazim residues were employed to establish prediction models...
March 1, 2017: Food Chemistry
Mohammed Assayed Mousa, Edward Lynch, Mohd G Sghaireen, Abdalwhab M A Zwiri, Osama A Baraka
PURPOSE: To evaluate the influence of time on masticatory efficiency and muscular activity during mastication of different types of test foods in participants fitted with a lower bilateral free-end saddle removable partial denture (RPD) with wide or narrow teeth. METHODS: Thirty-six participants consented to undergo evaluation of their masticatory efficiency and recording of their muscular activity, while they wore an RPD with a unified bilateral design, during mastication of different types of test foods...
September 29, 2016: International Dental Journal
W Justin Vogel, Todd Z Osborne, R Thomas James, Matthew J Cohen
High-resolution diffuse reflectance spectra in the visible and near-infrared wavelengths were used to predict chemical properties of sediment samples obtained from Lake Okeechobee (FL, USA). Chemometric models yielded highly effective prediction (relative percent difference (RPD) = SD/RMSE >2) for some sediment properties including total magnesium (Mg), total calcium (Ca), total nitrogen (TN), total carbon (TC), and organic matter content (loss on ignition (LOI)). Predictions for iron (Fe), aluminum (Al), and various forms of phosphorus (total P (TP), HCl-extractable P (HCl-P), and KCl-extractable P (KCl-P)) were also sufficiently accurate (RPD > 1...
October 2016: Environmental Monitoring and Assessment
A G Quentin, T Rodemann, M-F Doutreleau, M Moreau, N W Davies
Near-infrared reflectance spectroscopy (NIRS) is frequently used for the assessment of key nutrients of forage or crops but remains underused in ecological and physiological studies, especially to quantify non-structural carbohydrates. The aim of this study was to develop calibration models to assess the content in soluble sugars (fructose, glucose, sucrose) and starch in foliar material of Eucalyptus globulus A partial least squares (PLS) regression was used on the sample spectral data and was compared to the contents measured using standard wet chemistry methods...
September 26, 2016: Tree Physiology
Xia Fan, Shichuan Tang, Guozhen Li, Xingfan Zhou
Near-infrared spectroscopy combined with chemometrics was applied to construct a hybrid model for the non-invasive detection of protein content in different types of plant feed materials. In total, 829 samples of plant feed materials, which included corn distillers' dried grains with solubles (DDGS), corn germ meal, corn gluten meal, distillers' dried grains (DDG) and rapeseed meal, were collected from markets in China. Based on the different preprocessed spectral data, specific models for each type of plant feed material and a hybrid model for all the materials were built...
2016: PloS One
R Yuvaraj, M Murugappan, R Palaniappan
The objective of this research was to investigate the relationship between emotion recognition and lateralization of motor onset in Parkinson's disease (PD) patients using electroencephalogram (EEG) signals. The subject pool consisted of twenty PD patients [ten with predominantly left-sided (LPD) and ten with predominantly right-sided (RPD) motor symptoms] and 20 healthy controls (HC) that were matched for age and gender. Multimodal stimuli were used to evoke simple emotions, such as happiness, sadness, fear, anger, surprise, and disgust...
September 23, 2016: Brain Topography
Rong Liu, Tao Zhang, Zhi-Ming Zhao, Xiang-Long Tan, Guo-Dong Zhao, Xuan Zhang, Yong Xu
BACKGROUND: Pancreaticoduodenectomy (PD) is a difficult and complex operation. The introduction of robotics has opened up new angles in pancreatic surgery. This study aims to assess the surgical outcomes of robot-assisted laparoscopic pancreaticoduodenectomy relative to its laparoscopic counterpart. METHODS: A retrospective study was designed to compare the surgical outcomes of 27 robot-assisted laparoscopic pancreaticoduodenectomy (RPD) and 25 laparoscopic pancreaticoduodenectomy (LPD)...
September 8, 2016: Surgical Endoscopy
Mohammed M Abd El-Khalik, Nesreen H El Mekawy, Sally S El-Kasaby
PURPOSE: The objective of this study was radiographic assessment of the premolar teeth abutments alveolar bone resorption in mandibular Kennedy Class I removable partial denture (RPD) utilizing the broad stress distribution philosophy, either designed with multiple circlet clasp or compound Aker clasp. MATERIALS AND METHODS: Twelve patients were enrolled for this study with upper completely edentulous arch against mandibular Kennedy Class I ridges posterior to the second premolar...
July 2016: Journal of Indian Prosthodontic Society
Niccolò Napoli, Emanuele F Kauffmann, Francesca Menonna, Vittorio Grazio Perrone, Stefania Brozzetti, Ugo Boggi
Robotic assistance improves surgical dexterity in minimally invasive operations, especially when fine dissection and multiple sutures are required. As such, robotic assistance could be rewarding in the setting of robotic pancreatoduodenectomy (RPD). RPD was implemented at a high volume center with preemptive experience in advanced laparoscopy. Indications, surgical technique, and results of RPD are discussed against the background of current literature. RPD was performed in 112 consecutive patients. Conversion to open surgery was required in three patients, despite nine required segmental resection and reconstruction of the superior mesenteric/portal vein...
September 10, 2016: Updates in Surgery
Mohammed Hussain, Mohammad Moussavi, Daniel Korya, Siddhart Mehta, Jaskiran Brar, Harina Chahal, Ihtesham Qureshi, Tapan Mehta, Javaad Ahmad, Osama O Zaidat, Jawad F Kirmani
BACKGROUND: Recent advances in the treatment of ischemic stroke have focused on revascularization and led to better clinical and functional outcomes. A systematic review and pooled analyses of 6 recent multicentered prospective randomized controlled trials (MPRCT) were performed to compare intravenous tissue plasminogen activator (IV tPA) and endovascular therapy (intervention) with IV tPA alone (control) for anterior circulation ischemic stroke (AIS) secondary to large vessel occlusion (LVO)...
June 2016: Interventional Neurology
Xue Jintao, Yang Quanwei, Jing Yun, Liu Yufei, Li Chunyan, Yang Jing, Wu Yanfang, Li Peng, Wan Guangrui
BACKGROUND: Gegen (Puerariae Labatae Radix) is one of the important medicines in Traditional Chinese Medicine. The studies showed that Gegen and its preparation had effective actions for atherosclerosis. OBJECTIVE: Near-infrared (NIR) was used to develop a method for rapid determination of puerarin during percolation and concentration process of Gegen. MATERIALS AND METHODS: About ten batches of samples were collected with high-performance liquid chromatography analysis values as reference, calibration models are generated by partial least-squares (PLS) regression as linear regression, and artificial neural networks (ANN) as nonlinear regression...
July 2016: Pharmacognosy Magazine
Ingeborg J De Kok, Lyndon F Cooper, Albert D Guckes, Kathleen McGraw, Robert F Wright, Carlos J Barrero, Sun-Yung Bak, Lisa O Stoner
PURPOSE: A systematic search of the literature was performed to identify and characterize articles reporting the influence of removable partial denture (RPD) therapy on satisfaction and quality of life (QoL). MATERIALS AND METHODS: The literature search for relevant articles published between January 1983 and March 30, 2013 was conducted using keyword searches of electronic databases and complimentary hand searches. The search strategy included the following keyword combinations (MeSH and free-text terms): fail, complication, surviv*, longevity, outcome, patient satisfaction or QoL, and denture or prosthes*, and partial and removable...
September 6, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Federico Corvi, Eric H Souied, Yousra Falfoul, Anouk Georges, Camille Jung, Lea Querques, Giuseppe Querques
PURPOSE: To investigate the response of carotenoid supplementation in different phenotypes of early age-related macular degeneration (AMD) by measuring macular pigment optical density (MPOD) and retinal sensitivity. METHODS: Consecutive patients with only medium/large drusen and only reticular pseudodrusen (RPD) and age-matched and sex-matched controls were enrolled. At baseline, participants underwent a complete ophthalmological examination including measurement of best-corrected visual acuity (BCVA), MPOD and retinal sensitivity...
September 1, 2016: British Journal of Ophthalmology
Abdulaziz AlHelal, Mathew T Kattadiyil, Balsam Jekki
A ring rest was used for a buccally inclined distal third molar, which served as an abutment for a distal extension Kennedy class II removable partial denture (RPD). This report describes in detail the ring rest design, which offers a conservative treatment option while complying with RPD principles. The design also allowed use of existing occlusal contact on the maxillary third molar without resulting in an overcontoured clasp design. Preparation technique for the rest, along with rationale for selection and design, is discussed...
August 30, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Changhong Liu, Wei Liu, Jianbo Yang, Ying Chen, Lei Zheng
BACKGROUND: Dicyandiamide (DCD) contamination of milk and milk products has become an urgent and broadly recognized topic as a result of several food safety scares. This study investigated the potential of using multispectral imaging (405-970 nm) coupled with chemometrics for detection of DCD in infant formula powder. Partial least squares (PLS), least squares-support vector machines (LS-SVM), and back propagation neural network (BPNN) were applied to develop quantitative models. RESULTS: Compared with PLS and LS-SVM, BPNN considerably improved the prediction performance with coefficient of determination in prediction (R(2) p ) = 0...
August 28, 2016: Journal of the Science of Food and Agriculture
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