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https://www.readbyqxmd.com/read/28828148/spectrophotometric-analysis-of-crown-discoloration-following-the-use-of-silver-nanoparticles-combined-with-calcium-hydroxide-as-intracanal-medicament
#1
Farzaneh Afkhami, Sadaf Elahy, Alireza Mahmoudi-Nahavandi
BACKGROUND: Optimal antibacterial efficacy of intracanal medicaments containing silver nanoparticles (Ag-NPs) has been well documented. However, concerns remain regarding the effect of Ag-NPs on tooth color. This study aimed to assess the effects of calcium hydroxide (CH) mixed with Ag-NPs as intracanal medicaments on tooth color. The effect of location of application of medicament on the degree of discoloration was evaluated as well. MATERIAL AND METHODS: Fifty extracted single-rooted, single-canal human teeth with straight roots, no caries, no cracks or fractures were collected and accessed...
July 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28827963/investigation-of-effect-of-1-8-cineole-on-antimicrobial-activity-of-chlorhexidine-gluconate
#2
Merih Şimşek, Reşat Duman
BACKGROUND: Chlorhexidine belongs to a group of medicines called antiseptic antibacterial agents. Chlorhexidine is commonly used for the care and clean off the skin, hands, and wounds. In recent years, medicinal and aromatic plants have been used for prevention of disease, maintaining health, and improving disease in traditional and modern medicine as a medicament. According to recent research, cineole is the isolated active agent of eucalyptus oil and possesses antimicrobial activity...
July 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28827848/biocompatibility-evaluation-of-four-dentin-adhesives-used-as-indirect-pulp-capping-materials
#3
Olga Cortés, Antonia Alcaina, Antonia Bernabé
BACKGROUND: In many cases, the indirect pulp treatment (IPT) is an acceptable treatment for deciduous teeth with reversible pulp inflammation. Various medicaments have been used for IPT, ranging from calcium hydroxide and glass ionomers to dentin adhesives. OBJECTIVE: This in vitro trial aimed to measure cytotoxicity in a cell culture, comparing the following four adhesives: Xeno® V (XE), Excite® F DSC (EX), Adhese® OneF (AD) and Prime & Bond NT (PB). MATERIALS AND METHODS: The adhesives were prepared according to the manufacturer's instructions...
June 2017: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/28810344/-discussion-on-medicinal-history-and-germplasm-resource-of-clinopodium-herba
#4
G Y Li, X W Song, W W Sheng, M Wang
By sorting out the literature on materiamedica, it is found that medicinal history of ClinopodiumHerba is rather long which can be traced back to caoxuejiein Lüchan yan ben cao (Mountainous Materia Medica) with definite efficacy and usage; it is generally believed that the original plant of ClinopodiumHerba is Clinopodiumpolycephalum (Vaniot) C. Y. Wu et Hsuan and C. chinensis (Benth.) O. Kuntze are two separate species, also some scholarsclaim that C. polycephalum and C. chinensisare the same plant. But I think C...
May 28, 2017: Zhonghua Yi Shi za Zhi, Chinese Journal of Medical History
https://www.readbyqxmd.com/read/28809724/comparison-of-hemostasis-times-with-a-kaolin-based-hemostatic-pad-quikclot-radial-vs-mechanical-compression-tr-band-following-transradial-access-a-pilot-prospective-study
#5
Jonathan S Roberts, Jianli Niu, Juan A Pastor-Cervantes
BACKGROUND: Hemostasis following transradial access (TRA) is usually achieved by mechanical compression. We investigated use of the QuikClot Radial hemostasis pad (Z-Medica) compared with the TR Band (Terumo Medical) to shorten hemostasis after TRA. METHODS: Thirty patients undergoing TRA coronary angiography and/or percutaneous coronary intervention were randomized into three cohorts post TRA: 10 patients received mechanical compression with the TR Band, 10 patients received 30 min of compression with the QuikClot Radial pad, and 10 patients received 60 min of compression with the QuikClot Radial pad...
August 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28808467/comparison-of-the-penetration-depth-of-conventional-and-nano-particle-calcium-hydroxide-into-dentinal-tubules
#6
Vahid Zand, Hadi Mokhtari, Aila Hasani, Golchin Jabbari
INTRODUCTION: The aim of this in vitro study was to evaluate and compare the penetration depth of conventional (CH) and nano-particle calcium hydroxide (NCH) into dentinal tubules. METHODS AND MATERIALS: Ninety human single-rooted teeth were instrumented by RaCe rotary system and after chemomechanical preparation were randomly divided in two equal groups (n=45). In the first group conventional CH and in the other NCH was used as intracanal medicament. After 2 weeks of incubation all roots were intentionally split at longitudinal axis and prepared for scanning electron microscope (SEM) observation...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28808460/the-effect-of-intracanal-medicaments-on-microleakage-of-mineral-trioxide-aggregate-apical-plugs
#7
Mohammadreza Nabavizadeh, Fariborz Moazzami, Mohsen Bahmani, Hossein Mirhadi
INTRODUCTION: The purpose of this in vitro study was to evaluate the effect of calcium hydroxide, double and triple antibiotic paste on the sealing ability of mineral trioxide aggregate (MTA) apical plugs. METHODS AND MATERIALS: A total of 90 extracted teeth with single canals were prepared and randomly divided into four experimental groups (n=20). Intra-canal medicaments were applied for 3 weeks. MTA was placed through the access opening and condensed to the apical area and then fluid filtration technique was utilized to evaluate sealing ability after 1, 7, 14 and 30 days...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28806964/intervention-now-to-eliminate-repeat-unintended-pregnancy-in-teenagers-interupt-a-systematic-review-of-intervention-effectiveness-and-cost-effectiveness-and-qualitative-and-realist-synthesis-of-implementation-factors-and-user-engagement
#8
Rabeea'h W Aslam, Maggie Hendry, Andrew Booth, Ben Carter, Joanna M Charles, Noel Craine, Rhiannon Tudor Edwards, Jane Noyes, Lupetu Ives Ntambwe, Diana Pasterfield, Jo Rycroft-Malone, Nefyn Williams, Rhiannon Whitaker
BACKGROUND: Unintended repeat conceptions can result in emotional, psychological and educational harm to young women, often with enduring implications for their life chances. This study aimed to identify which young women are at the greatest risk of repeat unintended pregnancies; which interventions are effective and cost-effective; and what are the barriers to and facilitators for the uptake of these interventions. METHODS: We conducted a mixed-methods systematic review which included meta-analysis, framework synthesis and application of realist principles, with stakeholder input and service user feedback to address this...
August 15, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28801498/comparison-of-veterinary-drugs-and-veterinary-homeopathy-part-1
#9
REVIEW
P Lees, L Pelligand, M Whiting, D Chambers, P-L Toutain, M L Whitehead
For many years after its invention around 1796, homeopathy was widely used in people and later in animals. Over the intervening period (1796-2016) pharmacology emerged as a science from Materia Medica (medicinal materials) to become the mainstay of veterinary therapeutics. There remains today a much smaller, but significant, use of homeopathy by veterinary surgeons. Homeopathic products are sometimes administered when conventional drug therapies have not succeeded, but are also used as alternatives to scientifically based therapies and licensed products...
August 12, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28800075/biofilms-in-endodontics-current-status-and-future-directions
#10
REVIEW
Prasanna Neelakantan, Monica Romero, Jorge Vera, Umer Daood, Asad U Khan, Aixin Yan, Gary Shun Pan Cheung
Microbiota are found in highly organized and complex entities, known as biofilms, the characteristics of which are fundamentally different from microbes in planktonic suspensions. Root canal infections are biofilm mediated. The complexity and variability of the root canal system, together with the multi-species nature of biofilms, make disinfection of this system extremely challenging. Microbial persistence appears to be the most important factor for failure of root canal treatment and this could further have an impact on pain and quality of life...
August 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28797402/the-identification-of-calcified-coronary-plaque-is-associated-with-initiation-and-continuation-of-pharmacological-and-lifestyle-preventive-therapies-a-systematic-review-and-meta-analysis
#11
Ankur Gupta, Emily Lau, Ravi Varshney, Edward A Hulten, Michael Cheezum, Marcio S Bittencourt, Michael J Blaha, Nathan D Wong, Roger S Blumenthal, Matthew J Budoff, Craig A Umscheid, Khurram Nasir, Ron Blankstein
OBJECTIVES: The aim of this study was to assess the odds of initiation or continuation of pharmacological and lifestyle preventive therapies in patients with nonzero versus zero coronary artery calcium (CAC) score detected on cardiac computed tomography. BACKGROUND: Detection of calcified coronary plaque could serve as a motivational tool for physicians and patients to intensify preventive therapies. METHODS: We searched PubMed, EMBASE (Excerpta Medica database), Web of Science, Cochrane CENTRAL (Cochrane central register of controlled trials), ClinicalTrials...
August 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28792957/assessing-the-impact-of-healthcare-research-a-systematic-review-of-methodological-frameworks
#12
Samantha Cruz Rivera, Derek G Kyte, Olalekan Lee Aiyegbusi, Thomas J Keeley, Melanie J Calvert
BACKGROUND: Increasingly, researchers need to demonstrate the impact of their research to their sponsors, funders, and fellow academics. However, the most appropriate way of measuring the impact of healthcare research is subject to debate. We aimed to identify the existing methodological frameworks used to measure healthcare research impact and to summarise the common themes and metrics in an impact matrix. METHODS AND FINDINGS: Two independent investigators systematically searched the Medical Literature Analysis and Retrieval System Online (MEDLINE), the Excerpta Medica Database (EMBASE), the Cumulative Index to Nursing and Allied Health Literature (CINAHL+), the Health Management Information Consortium, and the Journal of Research Evaluation from inception until May 2017 for publications that presented a methodological framework for research impact...
August 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28792680/transcriptomic-basis-of-genome-by-genome-variation-in-a-legume-rhizobia-mutualism
#13
Liana T Burghardt, Joseph Guhlin, Chan Lan Chun, Junqi Liu, Michael J Sadowsky, Robert M Stupar, Nevin D Young, Peter Tiffin
In the legume-rhizobia mutualism, the benefit each partner derives from the other depends on the genetic identity of both host and rhizobial symbiont. To gain insight into the extent of genome x genome interactions on hosts at the molecular level and to identify potential mechanisms responsible for the variation, we examined host gene expression within nodules (the plant organ where the symbiosis occurs) of four genotypes of Medicago truncatula grown with either Ensifer meliloti or E. medicae symbionts. These host x symbiont combinations show significant variation in nodule and biomass phenotypes...
August 9, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28771922/mental-health-nurse-prescribing-a-qualitative-systematic-review
#14
REVIEW
Michelle Cleary, Rachel Kornhaber, Jan Sayers, Richard Gray
The aim of the present qualitative, systematic review was to identify and summarize qualitative research that focussed on mental health nurse prescribing, synthesize findings, and outline key themes discerned. In November 2016, a systematic search was conducted for primary studies of the electronic databases PubMed, Excerpta Medica, (Embase), Cumulative Index to Nursing and Allied Health Literature, Scopus, and PsycINFO. Of the 101 papers identified through the search strategy, 12 qualitative studies met the review inclusion criteria...
August 2, 2017: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/28764283/fabrication-and-appraisal-of-poly-lactic-co-glycolic-acid-moxifloxacin-nanoparticles-using-vitamin-e-tpgs-a-potential-intracanal-drug-delivery-agent
#15
Hardik Makkar, Gaurav Patri
INTRODUCTION: Nanotechnology is gaining momentum in the search for ideal biomaterials by dental researchers. The expansible nature of Endodontology deems exploration, learning and scrutinizing newer avenues which have the potential to be applied and investigated. The popularity of polymers as drug delivery vehicles has opened avenues for their application in the root canal system. This study utilized application of biodegradable polymers as potential drug delivery vehicles against Enterococcus faecalis, one of the main reasons for post treatment disease...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763066/-the-quality-of-a-scientific-publication-is-the-product-of-a-sum-of-efforts-and-attributes
#16
Francisco Espinosa-Larrañaga
Todo editor de una publicación médica científica busca que la revista que edita tenga o se reconozca con calidad. La calidad se logra mediante la participación de un conjunto de profesionales (editores, autores, revisores, impresores, diseñadores e incluso lectores) y los resultados de su participación profesional agregan, durante el proceso, propiedades con la finalidad de que el producto, una publicación médica científica, sea valorada por su calidad.
May 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/28761249/retrievability-of-calcium-hydroxide-intracanal-medicament-with-three-calcium-chelators-ethylenediaminetetraacetic-acid-citric-acid-and-chitosan-from-root-canals-an-in-vitro-cone-beam-computed-tomography-volumetric-analysis
#17
Ramya Raghu, Geethu Pradeep, Ashish Shetty, P M Gautham, P G Puneetha, T V Satyanarayana Reddy
AIM: This study compared the amount of aqueous-based and oil-based calcium hydroxide remaining in the canal, after removal with two different chelators 17% EDTA, 20% Citric acid and 0.2% Chitosan in combination with ultrasonic agitation. METHODS AND MATERIAL: Cleaning and shaping of root canals of 28 mandibular premolar was done and canals were filled either with Metapex or Ca(OH)2 mixed with distilled water. Volumetric analysis was performed utilizing cone beam-computed tomography (CBCT) after seven days of incubation...
January 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28761245/comparison-of-efficiency-of-ethylenediaminetetraacetic-acid-citric-acid-and-etidronate-in-the-removal-of-calcium-hydroxide-intracanal-medicament-using-scanning-electron-microscopic-analysis-an-in-vitro-study
#18
Sherin Jose Chockattu, B S Deepak, K Mallikarjun Goud
CONTEXT: Being integral to root canal therapy, obturation can be performed adequately only after the removal of intracanal medicament. One technique involves the use of chelating agents such as ethylenediaminetetraacetic acid (EDTA) and citric acid. Etidronic acid, a relatively new chelator, has smear layer removal ability and lesser dentinal erosion. It is untested in calcium hydroxide (Ca[OH]2) medicament removal. AIM: The aim of this study was to compare the efficiency of irrigation protocols (EDTA, citric acid, and etidronate) in Ca(OH)2 removal...
January 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28759184/is-non-pharmacological-treatment-an-effective-option-for-chronic-low-back-pain
#19
Alena Ondrejkovicova, Gabriel Petrovics, Katarína Svitkova, Vladimír Balogh
OBJECTIVE: Despite of pain being important warning signal for body ability to respond to internal or external threats, chronic pain is perceived as a discomfort by patients, leading to somatic, emotional and social negative changes. Lifestyle, wrong seating habits and some occupations may contribute to chronic back pain. Therapy for chronic back pain should include not only pharmacological or invasive interventions, but mostly change of lifestyle, physiotherapy and non-pharmacological methods...
July 2, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28757496/pharmacy-testing-and-the-language-of-truth-in-renaissance-italy
#20
Valentina Pugliano
This article examines the role of testing and innovation in sixteenthcentury Italian pharmacy. I argue that apothecaries were less concerned with testing drugs for efficacy or creating novel products than with reactivating an older Mediterranean pharmacological tradition and studying the materials on which it relied. Their practice was not driven by radical experimentation but by a "culture of tweaking"-of minute operational changes to existing recipes and accommodation of their textual variants-which was rooted in the guild economy fostering incremental over radical innovation and in a humanist reevaluation of past autorities...
2017: Bulletin of the History of Medicine
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