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Sodium hypochlorite

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https://www.readbyqxmd.com/read/28748298/comparison-of-sodium-hypochlorite-extrusion-by-five-irrigation-systems-using-an-artificial-root-socket-model-and-a-quantitative-chemical-method
#1
Adham A Azim, Hacer Aksel, M Margaret Jefferson, George T-J Huang
OBJECTIVES: This is to compare the volumes of irrigant apically extruded by five irrigation systems in an artificial socket model simulating clinical conditions. MATERIALS AND METHODS: Twenty extracted human single-rooted teeth were enlarged to size 40/04 and then embedded in silicone impression material. The root canal space was irrigated with nominal 3% sodium hypochlorite (NaOCl) using standard needle irrigation (SNI) with a 30-gauge notched needle, EndoActivator (EA), XP Endo Finisher (XP Endo), EndoVac (EV), and photon-induced photoacoustic streaming (PIPS)...
July 26, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28737011/a-distinctive-patchy-osteomalacia-characterises-phospho1-deficient-mice
#2
Alan Boyde, Katherine A Staines, Behzad Javaheri, Jose Luis Millan, Andrew A Pitsillides, Colin Farquharson
The phosphatase PHOSPHO1 is involved in the initiation of biomineralisation. Bones in Phospho1 knockout (KO) mice show histological osteomalacia with frequent bowing of long bones and spontaneous fractures: they contain less mineral, with smaller mineral crystals. However, the consequences of Phospho1 ablation on the microscale structure of bone are not yet fully elucidated. Tibias and femurs obtained from wild-type and Phospho1 null (KO) mice (25-32 weeks old) were embedded in PMMA, cut and polished to produce near longitudinal sections...
August 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28736142/respiration-adaptation-of-activated-sludge-under-dissolved-oxygen-and-hypochlorite-stressed-conditions
#3
Zhi-Hua Li, Zhi-Bo Ma, Han-Qing Yu
In this work, the relationship between environmental disturbance and the recovery of activated sludge at a low dissolved oxygen of 0.5mg/l or in the presence of sodium hypochlorite of 1-15mg Cl2/gSS/d was examined. When microorganisms entered their physiological adaptation period, a sharp increase in endogenous respiration rate was observed. The activity recovery potential of sludge depended on the ratio of the endogenous respiration rate to the maximum respiration rate. A subsequent decrease in this ratio after a sharp increase indicates that the disturbance was recoverable...
July 3, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28734651/chromographic-analysis-and-cytotoxic-effects-of-chlorhexidine-and-sodium-hypochlorite-reaction-mixtures
#4
Giuseppina Nocca, Hany Mohamed Aly Ahmed, Giuseppe Ettore Martorana, Cinzia Callà, Gianluca Gambarini, Sandro Rengo, Gianrico Spagnuolo
INTRODUCTION: The literature reveals controversies regarding the formation of para-chloroaniline (PCA) when chlorhexidine (CHX) is mixed with sodium hypochlorite (NaOCl). This study aimed to investigate the stability of PCA in the presence of NaOCl and to examine the in vitro cytotoxic effects of CHX/NaOCl reaction mixtures. METHODS: Different volumes of NaOCl were added to CHX (mix 1) or PCA (mix 2). Upon centrifugation, the supernatant and precipitate fractions collected from samples were analyzed using high-performance liquid chromatography...
July 19, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28734648/minimally-invasive-treatment-of-class-4-invasive-cervical-resorption-with-internal-approach-a%C3%A2-case-series
#5
Avi Shemesh, Joe Ben Itzhak, Michael Solomonov
Invasive cervical resorption (ICR) is a type of external resorption that can involve the coronal, middle, and apical parts of the root in its advanced stages. The diagnosis and treatment of ICR depend on the extent of the resorption into the dentin. The treatment of advanced ICR is challenging, and these teeth have poor prognoses. This article describes 4 cases of class 4 ICR diagnosed by using cone-beam computed tomography and treated with a minimally invasive internal approach with sodium hypochlorite irrigation and calcium hydroxide dressing...
July 19, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28729801/evaluation-of-dimensional-accuracy-for-different-complete-edentulous-impressions-immersed-in-different-disinfectant-solutions
#6
Hussein Abdelfattah Ismail, Hamada Z Mahross, Suaad Shikho
OBJECTIVE: The aim of this study was to evaluate the effects of two different disinfectant solutions' immersion on the dimensional accuracy of different complete edentulous impressions. MATERIALS AND METHODS: A specific custom-made metallic cast template was constructed and used for making both 120 alginate and zinc oxide eugenol (ZOE) paste impressions (60 for each). Disinfectants with 1% sodium hypochlorite and 2% glutaraldehyde were used for 10 and 60 min immersion of both impressions...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28729797/hypochlorite-solution-for-root-canal-irrigation-that-lacks-a-chlorinated-odor
#7
La-Ongthong Vajrabhaya, Vanida Sangalungkarn, Ratchapin Srisatjaluk, Suwanna Korsuwannawong, Chareerut Phruksaniyom
OBJECTIVES: This is an in vitro study to develop a formulation of a hypochlorite solution for root canal irrigation that lacks a chlorinated odor. The antibacterial effect, tissue dissolution efficacy, and the cytotoxicity of the solution were assessed in cell culture and were compared with those of commercial sodium hypochlorite (NaOCl) solutions. MATERIALS AND METHODS: Trichloroisocyanuric acid (TCA) was used as the source of hypochlorite ions in solution. All required properties of the NaOCl irrigant were evaluated and compared with those of original 2...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28729794/assessment-of-resin-dentin-interfacial-morphology-of-two-ethanol-based-universal-adhesives-a-scanning-electron-microscopy-study
#8
Mohamed Moustafa Awad
OBJECTIVE: The objective of this study was to assess the resin-dentin interfacial morphology created by two universal adhesives using scanning electron microscopy (SEM). MATERIALS AND METHODS: The occlusal surfaces of ten (n = 5) molars were reduced to expose a flat surface of dentin. Two universal adhesives, Scotchbond Universal Adhesive and Tetric N-Bond Universal, were independently applied to air-dried dentin. Light-cured resin-based composite restorative materials were used to incrementally build a composite "buildup...
April 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28724858/antibacterial-effect-of-azadirachta-indica-neem-or-curcuma-longa-turmeric-against-enterococcus-faecalis-compared-with-that-of-5-sodium-hypochlorite-or-2-chlorhexidine-in-vitro
#9
Dakshita Joy Sinha, Kanwar D S Nandha, Natasha Jaiswal, Agrima Vasudeva, Shashi Prabha Tyagi, Udai Pratap Singh
The purpose of this study was to compare the antibacterial properties of Azadirachta indica (neem) or Curcuma longa (turmeric) against Enterococcus faecalis with those of 5% sodium hypochlorite or 2% chlorhexidine as root canal irrigants in vitro. The activity of neem, chlorhexidine, sodium hypochlorite, or turmeric against E. faecalis was measured on agar plates using the agar diffusion method. The tube dilution method was used to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of the irrigants used...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28724491/comparison-of-antemortem-and-environmental-samples-for-zebrafish-health-monitoring-and-quarantine
#10
Marcus J Crim, Christian Lawrence, Robert S Livingston, Andrei Rakitin, Shane J Hurley, Lela K Riley
Molecular diagnostic assays offer both exquisite sensitivity and the ability to test a wide variety of sample types. Various types of environmental sample, such as detritus and concentrated water, might provide a useful adjunct to sentinels in routine zebrafish health monitoring. Similarly, antemortem sampling would be advantageous for expediting zebrafish quarantine, without euthanasia of valuable fish. We evaluated the detection of Mycobacterium chelonae, M. fortuitum, M. peregrinum, Pseudocapillaria tomentosa, and Pseudoloma neurophilia in zebrafish, detritus, pooled feces, and filter membranes after filtration of 1000-, 500-, and 150-mL water samples by real-time PCR analysis...
July 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28713785/inactivation-of-heat-adapted-and-chlorine-adapted-listeria-monocytogenes-atcc-7644-on-tomatoes-using-sodium-dodecyl-sulphate-levulinic-acid-and-sodium-hypochlorite-solution
#11
Oluwatosin Ademola Ijabadeniyi, Elizabeth Mnyandu
The effectiveness of sodium dodecyl sulphate (SDS), sodium hypochlorite solution and levulinic acid in reducing the survival of heat adapted and chlorine adapted Listeria monocytogenes ATCC 7644 was evaluated. The results against heat adapted L. monocytognes revealed that sodium hypochlorite solution was the least effective, achieving log reduction of 2.75, 2.94 and 3.97 log colony forming unit (CFU)/mL for 1, 3 and 5 minutes, respectively. SDS was able to achieve 8 log reduction for both heat adapted and chlorine adapted bacteria...
April 13, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/28707344/detection-of-viable-helicobacter-pylori-inside-free-living-amoebae-in-wastewater-and-drinking-water-samples-from-eastern-spain
#12
Laura Moreno-Mesonero, Yolanda Moreno, José Luis Alonso, M Antonia Ferrús
Helicobacter pylori is one of the most concerning emerging waterborne pathogens. It has been suggested that it could survive in water inside free-living amoebae (FLA), but nobody has studied this relationship in the environment yet. Thus, we aimed to detect viable H. pylori cells from inside FLA in water samples. Sixty-nine wastewater and 31 drinking water samples were collected. FLA were purified and identified by PCR and sequencing. For exclusively detecting H. pylori inside FLA, samples were exposed to sodium hypochlorite and assayed by specific PMA-qPCR, DVC-FISH and culture...
July 14, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28706760/bactericidal-effect-of-different-anti-microbial-agents-on-fusobacterium-nucleatum-biofilm
#13
Rupa Ashok, Arathi Ganesh, Kandaswamy Deivanayagam
INTRODUCTION: The root canal anatomy of the teeth is very complex. Complete debridement of the root canals is a challenge and is very important for the success of the root canal treatment. Hence, this study was done to find an effective irrigant which can be used during root canal treatment. OBJECTIVE: The bactericidal effect of a potential root canal irrigant was compared with two commonly used root canal irrigants against monoculture biofilm of a commercially available isolate of Fusobacterium nucleatum...
June 11, 2017: Curēus
https://www.readbyqxmd.com/read/28705429/disinfection-of-tonometers-a-report-by-the-american-academy-of-ophthalmology
#14
Anna K Junk, Philip P Chen, Shan C Lin, Kouros Nouri-Mahdavi, Sunita Radhakrishnan, Kuldev Singh, Teresa C Chen
OBJECTIVE: To examine the efficacy of various disinfection methods for reusable tonometer prisms in eye care and to highlight how disinfectants can damage tonometer tips and cause subsequent patient harm. METHODS: Literature searches were conducted last in October 2016 in the PubMed and the Cochrane Library databases for original research investigations. Reviews, non-English language articles, nonophthalmology articles, surveys, and case reports were excluded. RESULTS: The searches initially yielded 64 unique citations...
July 11, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28700086/antiseptics-for-burns
#15
REVIEW
Gill Norman, Janice Christie, Zhenmi Liu, Maggie J Westby, Jayne M Jefferies, Thomas Hudson, Jacky Edwards, Devi Prasad Mohapatra, Ibrahim A Hassan, Jo C Dumville
BACKGROUND: Burn wounds cause high levels of morbidity and mortality worldwide. People with burns are particularly vulnerable to infections; over 75% of all burn deaths (after initial resuscitation) result from infection. Antiseptics are topical agents that act to prevent growth of micro-organisms. A wide range are used with the intention of preventing infection and promoting healing of burn wounds. OBJECTIVES: To assess the effects and safety of antiseptics for the treatment of burns in any care setting...
July 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28689070/biosurfactant-production-from-pseudomonas-taiwanensis-l1011-and-its-application-in-accelerating-the-chemical-and-biological-decolorization-of-azo-dyes
#16
Cong Liu, Yanting You, Ruofei Zhao, Di Sun, Peng Zhang, Jihong Jiang, Aihua Zhu, Weijie Liu
Dye dispersion and the interaction efficiency between azoreductases and dye molecules are rate-limiting steps for the decolorization of azo dyes. In this study, a biosurfactant-producing strain, Pseudomonas taiwanensis L1011, was isolated from crude oil. To increase the yield of the biosurfactant BS-L1011 from P. taiwanensis L1011, culture conditions were optimized including temperature, initial pH, carbon source, nitrogen source and C/N ratio. A maximum yield of 1.12g/L of BS-L1011 was obtained using D-mannitol as carbon source and yeast extract/urea as compound nitrogen source with C/N ratio of 10/4, pH 7...
July 6, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28688185/methodological-aspects-in-the-study-of-periodontal-breakdown-in-rats-influence-of-the-presence-and-time-of-ligature
#17
Juliano Cavagni, Luise Seibel, Eduardo J Gaio, Cassiano K Rosing
The aim of the present work was to evaluate the effect of different times on alveolar bone loss (ABL) and whether the presence of ligature on one side affects ABL on the contralateral site. This is a secondary analysis of databases from studies conducted at the Federal University of Rio Grande do Sul. Included studies used ligature-induced periodontal disease in rats. In order to be included, the studies were required to have a control group without any ligatures and an intra-group control. Three studies were included, which used different time periods: 2 weeks with ligature and 8 weeks without ligature; 5 weeks with ligature and 17 weeks without ligature; 22 weeks with and without ligature...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28688181/surface-detail-reproduction-and-dimensional-accuracy-of-molds-influence-of-disinfectant-solutions-and-elastomeric-impression-materials
#18
Ricardo D Guiraldo, Sandrine B Berger, Ronaldo Mt Siqueira, Victor H Grandi, Murilo B Lopes, Alcides Gonini-Júnior, Rodrigo V Caixeta, Rodrigo V de Carvalho, Mário Ac Sinhoreti
This study compared the surface detail reproduction and dimensional accuracy of molds after disinfection using 2% sodium hypochlorite, 2% chlorhexidine digluconate or 0.2% peracetic acid to those of molds that were not disinfected, for four elastomeric impression materials: polysulfide (Light Bodied Permlastic), polyether (Impregum Soft), polydimethylsiloxane (Oranwash L) andpolyvinylsiloxane (Aquasil Ultra LV). The molds were prepared on a matrix by applying pressure, using a perforated metal tray. The molds were removed following polymerization and either disinfected (by soaking in one of the solutions for 15 minutes) or not disinfected...
April 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28682856/squamous-cell-carcinoma-of-the-peristomal-skin-of-a-gastrostomy-case-study
#19
Carlos Cerdán Santacruz, Cristina Díaz Del Arco, Miguel Ángel Rubio Herrera, Andrés Sánchez-Pernaute, Antonio José Torres García
BACKGROUND: Primary skin tumors that develop at enteral feeding stomas are extremely rare. Ongoing surveillance of these stomas, including the peristomal skin, is essential to early diagnosis and treatment of these tumors. CASE: A 73-year-old man with an esophageal chemical burn caused by swallowing sodium hypochlorite (bleach) approximately 50 years earlier that was initially managed with esophageal exclusion and placement of a gastrostomy device for enteral feeding presented with an exophytic and painful mass of the skin adjacent to his gastrostomy site...
July 2017: Journal of Wound, Ostomy, and Continence Nursing
https://www.readbyqxmd.com/read/28678952/clinical-trial-for-evaluation-of-ricinus-communis-and-sodium-hypochlorite-as-denture-cleanser
#20
Maurício Malheiros Badaró, Marcela Moreira Salles, Vanessa Maria Fagundes Leite, Carolina Noronha Ferraz de Arruda, Viviane de Cássia Oliveira, Cássio do Nascimento, Raphael Freitas de Souza, Helena de Freitas de Oliveira Paranhos, Cláudia Helena Silva-Lovato
Objective: This study evaluated Ricinus communis and sodium hypochlorite solutions in terms of biofilm removal ability, remission of candidiasis, antimicrobial activity, and participant satisfaction. Material and Methods: It was conducted a controlled clinical trial, randomized, double-blind, and crossover. Sixty-four denture wearers with (n=24) and without candidiasis (n=40) were instructed to brush (3 times/day) and immerse their dentures (20 min/day) in different storage solutions (S1 / S2: 0...
May 2017: Journal of Applied Oral Science: Revista FOB
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