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Indirect restorations

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https://www.readbyqxmd.com/read/28532888/biological-effects-of-direct-and-indirect-manipulation-of-the-fascial-system-narrative-review
#1
Giovanni Parravicini, Andrea Bergna
INTRODUCTION: Osteopathic Manipulative Treatment (OMT) is effective in improving function, movement and restoring pain conditions. Despite clinical results, the mechanisms of how OMT achieves its' effects remain unclear. The fascial system is described as a tensional network that envelops the human body. Direct or indirect manipulations of the fascial system are a distinctive part of OMT. OBJECTIVE: This review describes the biological effects of direct and indirect manipulation of the fascial system...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28532361/electrical-stimulation-of-the-retina-to-produce-artificial-vision
#2
James D Weiland, Steven T Walston, Mark S Humayun
Retinal prostheses aim to restore vision to blind individuals suffering from retinal diseases such as retinitis pigmentosa and age-related macular degeneration. These devices function by electrically stimulating surviving retinal neurons, whose activation is interpreted by the brain as a visual percept. Many prostheses are currently under development. They are categorized as epiretinal, subretinal, and suprachoroidal prostheses on the basis of the placement of the stimulating microelectrode array. Each can activate ganglion cells through direct or indirect stimulation...
October 14, 2016: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28530157/muscle-secreted-factors-improve-anterior-cruciate-ligament-graft-healing-an-in-vitro-and-in-vivo-analysis
#3
Corina Adriana Ghebes, Nathalie Groen, Yau Chuk Cheuk, Sai Chuen Fu, Hugo Fernandes, Daniel B Saris
One of the ligaments most often damaged during sports - the anterior cruciate ligament (ACL) - has poor healing capacity. Upon damage, reconstructive surgery is performed to restore the mechanical stability of the knee and to reduce the inflammatory milieu otherwise present in the joint. A return to normal activities, however, takes between 9 and 12 months. Thus, strategies capable of improving ACL graft healing are needed. Embryonic development of tendon and ligament (T/L) is regulated by a crosstalk between different cell types...
May 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28529175/longevity-of-2-and-3-surface-restorations-in-posterior-teeth-of-25-to-30-year-olds-attending-public-dental-service-a-13-year-observation
#4
Ulla Palotie, Anna K Eronen, Kimmo Vehkalahti, Miira M Vehkalahti
OBJECTIVES: The aim of this patient document-based retrospective study among 25- to 30-year-old Finnish adults was to evaluate longevity of 2- and 3-surface posterior restorations according to type of tooth, size of restoration, and restorative material used. METHODS: Data were extracted from electronic patient files of the Helsinki City Public Dental Service (PDS), Finland. A total of 5542 2- and 3-surface posterior composite and amalgam restorations were followed indirectly from 2002 to 2015...
May 18, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28527531/titanium-dioxide-nanotubes-addition-to-self-adhesive-resin-cement-effect-on-physical-and-biological-properties
#5
Carla M Ramos-Tonello, Paulo N Lisboa-Filho, Larisa B Arruda, Cintia K Tokuhara, Rodrigo C Oliveira, Adilson Y Furuse, José H Rubo, Ana Flávia S Borges
OBJECTIVES: This study has investigated the influence of Titanium dioxide nanotubes (TiO2-nt) addition to self-adhesive resin cement on the degree of conversion, water sorption, and water solubility, mechanical and biological properties. METHODS: A commercially available auto-adhesive resin cement (RelyX U200™, 3M ESPE) was reinforced with varying amounts of nanotubes (0.3, 0.6, 0.9wt%) and evaluated at different curing modes (self- and dual cure). The DC in different times (3, 6, 9, 12 and 15min), water sorption (Ws) and solubility (Sl), 3-point flexural strength (σf), elastic modulus (E), Knoop microhardness (H) and viability of NIH/3T3 fibroblasts were performed to characterize the resin cement...
May 17, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28526443/mechanical-properties-of-polymer-infiltrated-ceramic-sodium-aluminum-silicate-composites-for-dental-restoration
#6
Bencang Cui, Jing Li, Huining Wang, Yuanhua Lin, Yang Shen, Ming Li, Xuliang Deng, Cewen Nan
OBJECTIVE: To fabricate indirect restorative composites for CAD/CAM applications and evaluate the mechanical properties. METHODS: Polymer-infiltrated-ceramic composites were prepared through infiltrating polymer into partially sintered sodium aluminum silicate ceramic blocks and curing. The corresponding samples were fabricated according to standard ISO-4049 using for mechanical properties measurement. The flexural strength and fracture toughness were measured using a mechanical property testing machine...
May 16, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28524126/-impact-of-sagittal-balance-parameters-on-life-quality-in-elderly-and-senile-patients-after-surgery-for-degenerative-lumbar-spine-stenosis
#7
V S Klimov, I I Vasilenko, A V Evsyukov, E V Amelina
INTRODUCTION: As the life span and proportion of people over 65 years increase, the incidence of degenerative lumbar spine stenosis grows proportionally. Various parameters of the spinopelvic relationships are used to predict surgical treatment outcomes in patients with degenerative spine diseases. There are no unified protocols for evaluation, in terms of the sagittal balance, of surgical treatment outcomes in elderly patients. PURPOSE: To study the impact of sagittal balance parameters on the life quality of elderly and senile patients after surgery for degenerative stenosis of the lumbar spine...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28521136/dopamine-depletion-impairs-bilateral-sensory-processing-in-the-striatum-in-a-pathway-dependent-manner
#8
M Ketzef, G Spigolon, Y Johansson, A Bonito-Oliva, G Fisone, G Silberberg
Parkinson's disease (PD) is a movement disorder caused by the loss of dopaminergic innervation, particularly to the striatum. PD patients often exhibit sensory impairments, yet the underlying network mechanisms are unknown. Here we examined how dopamine (DA) depletion affects sensory processing in the mouse striatum. We used the optopatcher for online identification of direct and indirect pathway projection neurons (MSNs) during in vivo whole-cell recordings. In control mice, MSNs encoded the laterality of sensory inputs with larger and earlier responses to contralateral than ipsilateral whisker deflection...
May 17, 2017: Neuron
https://www.readbyqxmd.com/read/28507522/nicotine-acutely-enhances-reinforcement-from-non-drug-rewards-in-humans
#9
REVIEW
Kenneth A Perkins, Joshua L Karelitz, Margaret C Boldry
Preclinical research documents that, aside from the primary and secondary reinforcing effects of nicotine intake itself, nicotine also acutely enhances the reinforcing efficacy of non-drug reinforcers ("rewards"). Study of these effects in humans has largely been overlooked, but very recent findings suggest they may have clinical implications for more fully understanding the persistence of tobacco dependence. This overview first outlines the topic and notes some recent human studies indirectly addressing nicotine effects on related responses (e...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28501055/limited-evidence-suggests-there-is-no-difference-between-the-clinical-longevity-of-direct-vs-indirect-composite-resins-in-class-i-and-ii-cavities
#10
Paul S Farsai
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Longevity of direct and indirect resin composite restorations in permanent posterior teeth: A systematic review and meta-analysis. Da Veiga AMA, Cunha AC, Ferreria DMTP, Fidalgo TK, Chianca TK, Reis KR, Maia LC. J Dent 2016;54:1-12. SOURCE OF FUNDING: Federal University of Rio de Janeiro, Brazil. This study was conducted as part of the master degree for one of the authors under supervision by another author. TYPE OF STUDY/DESIGN: Systematic review with meta-analysis...
June 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/28498360/meristem-plant-cells-as-a-sustainable-source-of-redox-actives-for-skin-rejuvenation
#11
REVIEW
Liudmila G Korkina, Wolfgang Mayer, Chiara de Luca
Recently, aggressive advertisement claimed a "magic role" for plant stem cells in human skin rejuvenation. This review aims to shed light on the scientific background suggesting feasibility of using plant cells as a basis of anti-age cosmetics. When meristem cell cultures obtained from medicinal plants are exposed to appropriate elicitors/stressors (ultraviolet, ultrasound ultraviolet (UV), ultrasonic waves, microbial/insect metabolites, heavy metals, organic toxins, nutrient deprivation, etc.), a protective/adaptive response initiates the biosynthesis of secondary metabolites...
May 12, 2017: Biomolecules
https://www.readbyqxmd.com/read/28494191/biomarker-for-early-renal-microvascular-and-diabetic-kidney-diseases
#12
Narisa Futrakul, Prasit Futrakul
Recognition of early stage of diabetic kidney disease, under common practice using biomarkers, namely microalbuminuria, serum creatinine level above 1 mg/dL and accepted definition of diabetic kidney disease associated with creatinine clearance value below 60 mL/min/1.73 m(2), is unlikely. This would lead to delay treatment associated with therapeutic resistance to vasodilator due to a defective vascular homoeostasis. Other alternative biomarkers related to the state of microalbuminuria is not sensitive to screen for early diabetic kidney disease (stages I, II)...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28486144/impacts-of-uvb-radiation-on-food-consumption-of-forest-specialist-tadpoles
#13
James Eduardo Lago Londero, Caroline Peripolli Dos Santos, Ana Lúcia Anversa Segatto, André Passaglia Schuch
Solar ultraviolet radiation B (UVB) is an important environmental stressor for amphibian populations due to its genotoxicity, especially in early developmental stages. Nonetheless, there is an absence of works focused on the UVB effects on tadpoles' food consumption efficiency. In this work, we investigated the effects of the exposure to a low environmental-simulated dose of UVB radiation on food consumption of tadpoles of the forest specialist Hypsiboas curupi [Hylidae, Anura] species. After UVB treatment tadpoles were divided and exposed to a visible light source or kept in the dark, in order to indirectly evaluate the efficiency of DNA repair performed by photolyases and nucleotide excision repair (NER), respectively...
May 6, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28484652/esthetic-rehabilitation-with-direct-composite-veneering-a-report-of-2-cases
#14
Kyatham Sowmya, K S Dwijendra, V Pranitha, Konda Karthik Roy
Esthetic or cosmetic dentistry is one of the main areas of dental practice. Increasing demand of patients for esthetics has resulted in the development of several techniques for restoring the anterior teeth. Composite resin restorations have become an integral part of contemporary restorative dentistry and can be called "star of minimal invasion" due to its conservative concepts. The direct composite veneering allows restoring the tooth in a natural way and preservation of sound tooth structure when compared to indirect restorations...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28475095/functional-and-esthetic-rehabilitation-of-a-child-with-amelogenesis-imperfecta-a-case-report
#15
Carmem Dolores Vilarinho Soares de Moura, Alessandra Silva Pontes, Teresinha Soares Pereira Lopes, Lúcia Fátima Almeida de Deus Moura, Marina Deus Moura de Lima
Amelogenesis imperfecta (AI) is a tooth disorder characterized by the abnormal development of the enamel in response to mutations in the genes involved in amelogenesis. The objective of this article is to present the clinical case of a child with AI in the primary dentition phase. A 4-year-old boy was presented to a clinic by his mother, who complained that her son's smile esthetics were compromised by "weak and yellow teeth." All the teeth showed yellowish discoloration as well as crumbling or missing enamel...
May 2017: General Dentistry
https://www.readbyqxmd.com/read/28474492/vertical-root-fractures-in-endodontically-treated-teeth-a%C3%A2-retrospective-analysis-of-possible-risk-factors
#16
Claudia García-Guerrero, Claudia Parra-Junco, Sara Quijano-Guauque, Nicolás Molano, Gerardo A Pineda, Dairo J Marín-Zuluaga
AIM: The prevalence of vertical root fractures (VRF) ranges from 2% to 20%, and is associated with endodontically-treated teeth (ETT). The aim of the present study was to analyze clinically and radiographically, at different intervals of time, some of the risk factors present in ETT that developed VRF. METHODS: A classification model according to time measured the follow-up period of three groups. A match was made for times of occurrence (cases) and follow up (controls)...
May 5, 2017: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/28473645/dopamine-receptors-differentially-control-binge-alcohol-drinking-mediated-synaptic-plasticity-of-the-core-nucleus-accumbens-direct-and-indirect-pathways
#17
Xincai Ji, Sucharita Saha, Jenya Kolpakova, Melissa Guildford, Andrew R Tapper, Gilles E Martin
Binge alcohol drinking, a behavior characterized by rapid repeated alcohol intakes, is most prevalent in young adults and a risk factor for excessive alcohol consumption and alcohol dependence. Although alteration of synaptic plasticity is thought to contribute to this behavior, there is currently little evidence that this is the case. We used drinking-in-the-dark (DID) as a model of binge alcohol drinking to assess its effects on spike-timing-dependent plasticity (STDP) in medium spiny neurons (MSNs) of the core nucleus accumbens (NAc) by combining patch clamp recordings with calcium imaging and optogenetics...
May 4, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28461109/influence-of-drug-molecules-on-regulatory-b-cells
#18
Kahina Amrouche, Christophe Jamin
By their suppressive functions, regulatory B (Breg) cells are considered as key elements in the control and development of various disease states. Many signals can induce Bregs in vivo and in vitro and often from heterogeneous populations. Several specific signals delivered in a timely immunological context contribute to the establishment of Bregs. These are endogenous and physiological signals or stimuli, widely discussed in the literature participating in the establishment of an effective immune response...
April 28, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28461047/influence-of-cement-type-and-ceramic-primer-on-retention-of-polymer-infiltrated-ceramic-crowns-to-a-one-piece-zirconia-implant
#19
Nadja Rohr, Stefan Brunner, Sabrina Märtin, Jens Fischer
STATEMENT OF PROBLEM: The best procedure for cementing a restoration to zirconia implants has not yet been established. PURPOSE: The purpose of this in vitro study was to measure the retention of polymer-infiltrated ceramic crowns to zirconia 1-piece implants using a wide range of cements. The effect of ceramic primer treatment on the retention force was also recorded. The retention results were correlated with the shear bond strength of the cement to zirconia and the indirect tensile strength of the cements to better understand the retention mechanism...
April 28, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28459247/conservative-functional-and-esthetic-rehabilitation-of-severe-palatal-erosion-class-iv-using-modified-dahl-approach
#20
Aliasger Tunkiwala, Rajeev Chitguppi
This article demonstrates the clinical application of biomechanical and occlusal principles to conservatively provide optimal clinical outcomes in restoring an eroded anterior dentition. The authors manage a challenging case involving limited palatal clearance (ie, deep bite) coupled with palatal erosion and wear by combining the centric relation (CR) and Dahl principles to create anterior interocclusal space to reduce the need for more invasive palatal reduction. The combined use of adhesive restorations-resin composites on the palatal surface and indirect porcelain veneers on the facial/incisal surfaces-through enamel and dentin bonding helped optimize esthetic and functional/biomechanical aspects...
May 2017: Compendium of Continuing Education in Dentistry
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