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Sodium hypochlorite

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https://www.readbyqxmd.com/read/28932151/influence-of-irrigating-agents-on-fiber-postpush-out-bond-strength-to-radicular-dentin-sections-with-the-different-adhesive-system
#1
Satheesh B Haralur, Asim Nasser A Alasabi, Sultan A Abohathrah Al Qahtani, Saeed Musleh S Alqahtani
OBJECTIVE: The objective of this study is to evaluate the effect of irrigating agents on push-out bond strength of resin postcemented with various adhesive systems at different radicular dentin sections. MATERIALS AND METHODS: Sixty single-rooted premolar teeth were root canal treated, subsequently decorated at cementoenamel junction. The endodontic postspace was irrigated with 5.25% sodium hypochlorite (NaOCl) and 17% ethylenediaminetetraacetic acid (EDTA) for Group A (n = 30) and Group B (n = 30), respectively...
July 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28930637/sodium-hypochlorite-and-sodium-bromide-individualized-and-stabilized-carbon-nanotubes-in-water
#2
Xuezhu Xu, Jian Zhou, Veronica Colombo, Yangyang Xin, Ran Tao, Gilles Lubineau
Aggregation is a major problem for hydrophobic carbon nanomaterials such as carbon nanotubes (CNTs) in water because it reduces the effective particle concentrations, prevents particles from entering the medium and leads to unstable electronic device performances when a colloidal solution is used. Molecular ligands such as surfactants can help the particles to disperse, but they tend to degrade the electrical properties of CNTs. Therefore, self-dispersed particles without the need for surfactant are highly desirable...
September 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28926981/antibiofilm-activity-and-mechanism-of-action-of-the-disinfectant-chloramine-t-on-candida-spp-and-its-toxicity-against-human-cells
#3
Gabriela Lacet Silva Ferreira, Pedro Luiz Rosalen, Larissa Rangel Peixoto, Ana Luiza Alves de Lima Pérez, Fabíola Galbiatti de Carvalho Carlo, Lúcio Roberto Cançado Castellano, Jefferson Muniz de Lima, Irlan Almeida Freires, Edeltrudes de Oliveira Lima, Ricardo Dias de Castro
We evaluated the antifungal and anti-biofilm activity, mechanism of action and cytotoxicity of chloramine T trihydrate (CAT) against Candida spp. The Minimum Inhibitory and Fungicidal Concentrations (MIC/MFC) of CAT were determined. Changes in CAT-treated C. albicans growth kinetics and micromorphology were evaluated, as well as the mechanism of action, and its effects on biofilm. Cytotoxicity was assessed by the hemolysis method. The data were analyzed by inferential statistics (p ≤ 0.05). CAT showed antifungal activity against all strains, with MIC values ranging between 1...
September 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28925588/evaluation-of-the-effect-of-four-final-irrigation-protocols-on-root-canal-dentin-components-by-polarized-light-microscopy-and-scanning-electron-microscopy
#4
Flávia Emi Razera Baldasso, Luana Roleto Cardoso, Vinicius Duval da Silva, Renata Dornelles Morgental, Patrícia Maria Poli Kopper
The present study aimed to evaluate the effects of four endodontic chelating agents, followed by 2.5% sodium hypochlorite (NaOCl), as final irrigation regimens on organic and inorganic components of human root dentin. Sixty mandibular incisors were prepared and randomly divided into six groups (n = 10): QMiX, 1% peracetic acid (PA), 17% EDTA, 10% citric acid (CA), 2.5% NaOCl (solution control) and distilled water (DW-negative control). After irrigation with the chelating agents, a final flush was performed with 2...
September 19, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28922064/erbium-yttrium-aluminum-garnet-laser-activated-sodium-hypochlorite-irrigation-a-promising-procedure-for-minimally-invasive-endodontics
#5
Xiaogang Cheng, Tiantian Tian, Yu Tian, Doudou Xiang, Jun Qiu, Xiaohua Liu, Qing Yu
OBJECTIVE: This study was to evaluate the potential of Erbium:Yttrium Aluminum Garnet laser-activated sodium hypochlorite irrigation (Er:YAG + NaOCl) for minimally invasive endodontics (MIE). BACKGROUND DATA: Er:YAG laser irradiation can dramatically enhance the penetration of NaOCl, which may be a promising protocol for MIE. METHODS: Extracted human teeth were contaminated with Enterococcus faecalis for 4 weeks. The infected canals were then shaped to different apical terminal working widths (ATWW, 15#/0...
September 14, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28914253/mineral-trioxide-aggregate-induced-apical-closure-in-nonvital-immature-permanent-maxillary-incisor
#6
Meenu Bhola, Virinder Goyal, Parimala Tyagi, Tarun Kumar
Treatment of nonvital immature permanent teeth with calcium hydroxide is associated with few difficulties such as weakened tooth root, root canal reinfection, and long treatment time. Mineral trioxide aggregate (MTA) apical plug method is an alternative treatment method for open apices and has gained popularity in the recent times. This case report describes the management of a late-referral case of periapically involved, traumatized immature permanent incisor by endodontic treatment and the use of MTA apical plug...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28912942/efficacy-of-sodium-hypochlorite-activated-with-laser-in-intracanal-smear-layer-removal-an-sem-study
#7
Shahriar Shahriari, Shahin Kasraei, Ghodratollah Roshanaei, Hamed Karkeabadi, Hossein Davanloo
Introduction: The purpose of the present study was to evaluate the different concentrations of sodium hypochlorite activated with laser in removing of the smear layer in the apical, middle, and coronal segments of root canal walls by scanning electron microscopy analysis. Methods: Sixty single-rooted human mandibular teeth were decoronated to a standardized length. The samples were prepared by using Race rotary system to size 40, 0.04 taper and divided into 4 equal groups (n = 15). Group 1, irrigated with EDTA 17% and 5...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28912941/the-effect-of-er-yag-laser-irradiation-and-different-concentrations-of-sodium-hypochlorite-on-shear-bond-strength-of-composite-to-primary-teeth-s-dentin
#8
Zahra Bahrololoomi, Azam Dadkhah, Mohammadsadegh Alemrajabi
Introduction: The aim of this study was to evaluate the effect of various concentrations of NaOCl on shear bond strength of composite resin to dentin of primary teeth, prepared with laser and bur. Methods: In this in vitro study, 48 primary molars were sectioned at mesiodistal direction and were randomly divided into 6 groups; G1: bur, G2: bur + NaOCl 2.5%, G3: bur + NaOCl 5.25%, G4: laser, G5: laser + NaOCl 2.5%, G6: laser + NaOCl 5.25%. One-Step Plus adhesive was applied after phosphoric acid gel and NaOCl over the dentin surfaces for all groups, and composite resin cylinders were bonded to the samples...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28906461/%C3%AE-conotoxin-decontamination-protocol-evaluation-what-works-and-what-doesn-t
#9
Matthew W Turner, John R Cort, Owen M McDougal
Nine publically available biosafety protocols for safely handling conotoxin peptides were tested to evaluate their decontamination efficacy. Circular dichroism (CD) spectroscopy and mass spectrometry (MS) were used to assess the effect of each chemical treatment on the secondary and primary structure of α-CTx MII (L10V, E11A). Of the nine decontamination methods tested, treatment with 1% (m/v) solution of the enzymatic detergent Contrex™ EZ resulted in a 76.8% decrease in α-helical content as assessed by the mean residue ellipticity at 222 nm, and partial peptide digestion was demonstrated using high performance liquid chromatography mass spectrometry (HPLC-MS)...
September 14, 2017: Toxins
https://www.readbyqxmd.com/read/28906043/diluted-sodium-hypochlorite-bleach-in-dogs-antiseptic-efficacy-local-tolerability-and-in-vitro-effect-on-skin-barrier-function-and-inflammation
#10
Frane Banovic, Thierry Olivry, Wolfgang Bäumer, Judy Paps, Jessica Stahl, Ana Rogers, Megan Jacob
BACKGROUND: Diluted sodium hypochlorite represents an inexpensive and widely available topical antiseptic, but there are no tolerability and efficacy data in veterinary dermatology. OBJECTIVES: To determine the in vivo antibacterial effect and tolerability of topical diluted bleach application and to assess its in vitro effect on skin barrier lipids and anti-inflammatory properties on keratinocytes. METHODS: Topical hypochlorite at 0.05% and tap water were applied to both sides of the thorax of four healthy dogs...
September 14, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28904947/sodium-hypochlorite-irrigation-and-its-effect-on-bond-strength-to-dentin
#11
REVIEW
Tariq S Abuhaimed, Ensanya A Abou Neel
Effective shaping and cleaning of root canals are essential for the success of endodontic treatment. Due to the complex anatomy of root canal spaces, the use of various instrumentation techniques alone is not effective in producing bacteria-free root canal spaces. Irrigation, disinfectants, rinses, and intervisit medications are used in conjunction with the mechanical instrumentation to ensure the success of endodontic treatment. Sodium hypochlorite (NaOCl), a halogenated compound, is routinely used to irrigate the root canal during endodontic treatments...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28900797/improvement-of-chia-seeds-with-antioxidant-activity-gaba-essential-amino-acids-and-dietary-fiber-by-controlled-germination-bioprocess
#12
Mario Armando Gómez-Favela, Roberto Gutiérrez-Dorado, Edith Oliva Cuevas-Rodríguez, Vicente Adrián Canizalez-Román, Claudia Del Rosario León-Sicairos, Jorge Milán-Carrillo, Cuauhtémoc Reyes-Moreno
Chia (Salvia hispanica L.) plant is native from southern Mexico and northern Guatemala. Their seeds are a rich source of bioactive compounds which protect consumers against chronic diseases. Germination improves functionality of the seeds due to the increase in the bioactive compounds and associated antioxidant activity. The purpose of this study was to obtain functional flour from germinated chia seeds under optimized conditions with increased antioxidant activity, phenolic compounds, GABA, essential amino acids, and dietary fiber with respect to un-germinated chia seeds...
September 12, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28898776/effect-of-electro-activated-solutions-of-sodium-acetate-and-sodium-propionate-on-geosmin-producing-streptomyces-avermitilis-strain
#13
Viacheslav Liato, Mohammed Aïder
Electro-activated solutions of salts of weak organic acids are defined as novel potent disinfecting agents that can be used in the agri-food industry. The aim of the present work is to study and understand the destruction mechanism of electro-activated solutions of sodium acetate (EAA) and sodium propionate (EAP) against Streptomyces avermitilis spores. The results of antibacterial activity showed high bacteriostatic effect for all the tested solutions, including sodium hypochlorite used as positive control...
September 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28893035/alexidine-a-safer-and-an-effective-root-canal-irrigant-than-chlorhexidine
#14
L R Surender, A Shikha, A Swathi, C Manaswini, Aisha Habeeb, S Shashi Prabha
INTRODUCTION: Chlorhexidine (CHX) is generally used as the final irrigating solution in root canal therapy. Recent studies have reported that, toxic precipitates containing parachloroaniline (PCA) are formed when CHX reacts with sodium hypochlorite (NaOCl). Whereas, Alexidine (ALX), a bisbiguanide disinfectant similar to CHX, has proven to form no precipitates with NaOCl. AIM: To compare antimicrobial activity of different concentrations of ALX with CHX individually and when combined with NaOCl against E...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28883300/irrigation-effectiveness-of-continuous-ultrasonic-irrigation-system-an-ex-vivo-study
#15
Ahmed Jamleh, Hideaki Suda, Carlos G Adorno
This study evaluated the irrigation extrusion and smear layer (SL) removal of continuous ultrasonic irrigation (CUI). Forty root canals were shaped, embedded in warm sterile saline agar colored with 1% acid red, and distributed into four groups; three groups had the final irrigation sequence of sodium hypochlorite and EDTA solutions performed by using syringe irrigation (SI), EndoVac (EV), and CUI, respectively. Group 4 had the canals ultrasonically irrigated with saline (CUIS). Irrigant extrusion was verified by a color change of the agar...
September 7, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28880730/tyrosine-derived-novel-antimicrobial-hydantoin-polymers-synthesis-and-evaluation-of-anti-bacterial-activities
#16
Vasanthan Ravichandran, Rajani Kant Rai, Venkitasamay Kesavan, A Jayakrishnan
A new approach for the design and synthesis of cyclic N-halamine polymers having anti-bacterial activity based on a vinyl derivative of tyrosine-derived hydantoin is reported. The synthesis of N-halamine polymers generally involves the chemical modification of 5,5'-disubstituted hydantoin to introduce polymerizable vinyl moieties thereby restricting the halogen capture only on the amide nitrogen. Here we show the possibility of synthesizing vinyl monomers of N-halamine from α-amino acids wherein both the amide and imide nitrogens are available for halogen capture...
September 7, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28877288/effect-of-rewetting-solutions-on-micropush-out-dentin-bond-strength-of-new-bioceramic-endodontic-material
#17
Giovana Cunha Gritti, Salma Ivanna Araújo Cavalcante, Etevaldo Matos Maia-Filho, José Bauer, Matheus Coêlho Bandéca, Giulio Gavini, Ceci Nunes Carvalho
To evaluate the influence of rewetting solutions on bond strength to root dentin of conventional gutta-percha (GP) or niobium phosphate glass-based gutta-percha (GNb) associated with a bioceramic sealer. The root canals of 80 human mandibular premolars were prepared using nickel-titanium instruments and irrigation with sodium hypochlorite and EDTA. The teeth were randomly divided into four groups according to the gutta-percha used: GNb or GP associated with EndoSequence BC Sealer (BC) and the solution for rewetting dentin before filling (distilled water; phosphate buffer saline solution - PBS; simulated body fluid - SBF; or no solution)...
August 31, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28874643/evaluation-of-apical-vapor-lock-formation-and-comparative-evaluation-of-its-elimination-using-three-different-techniques-an-in-vitro-study
#18
Anand Agarwal, Rahul B Deore, Kavitarani Rudagi, Zinnie Nanda, Mirza Osman Baig, Md Adil Fareez
AIM: The aim of this study was (i) to evaluate the formation of air bubbles in the apical region of root canal (apical vapor lock) during syringe irrigation, using cone beam computed tomography (CBCT) and (ii) comparative evaluation of the elimination of an established vapor lock by EndoActivator, ultrasonics, and manual dynamic agitation (MDA), using CBCT. MATERIALS AND METHODS: A total of 60 extracted human single-rooted teeth were equally divided into three groups of 20 teeth each...
September 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28855761/effect-of-conventional-irrigation-and-photoactivated-disinfection-on-enterococcus-faecalis-in-root-canals-an-in-vitro-study
#19
Niyati Balakrishna, Prashant Moogi, G Vinay Kumar, B R Prashanth, Nithin Kumar Shetty, Kaushal R Rao
AIMS: A study was done to evaluate the antimicrobial efficacy of sodium hypochlorite (NaOCl) and photoactivated disinfection (PAD) on Enterococcus faecalis. SETTINGS AND DESIGN: Random sampling, in-vitro study. SUBJECTS AND METHODS: Access opening and biomechanical preparation were performed on fifty freshly extracted mandibular second premolars. The specimens were sterilized; 15 μm of E. faecalis was inoculated into each canal and incubated at 36°C for 24 h...
March 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28854274/enhancing-antibacterial-effect-of-sodium-hypochlorite-by-low-electric-current-assisted-sonic-agitation
#20
Murat Maden, İhsan Furkan Ertuğrul, Ekim Onur Orhan, Cevat Emre Erik, Ceylan Çağıl Yetiş, Yasin Tuncer, Mesud Kahriman
BACKGROUND: This research focused on the effects of low electric current (μE)-assisted sonic agitation of sodium hypochlorite on Enterococcus faecalis infected human root dentin. METHODS: Extracted human canine roots were instrumented, sterilized, and experimentally contaminated with E. faecalis. After incubation for 21 days, the presence of the biofilm was confirmed by scanning electron microscopy (n = 3). Roots were randomly divided into seven groups according to decontamination procedures: G1: no treatment; G2: sterile saline; G3: 5...
2017: PloS One
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