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1

Zhang, J., D. Sardana, K. Y. Li, K. C. M. Leung, and E. C. M. Lo. "Topical Fluoride to Prevent Root Caries: Systematic Review with Network Meta-analysis." Journal of Dental Research 99, no. 5 (2020): 506–13. http://dx.doi.org/10.1177/0022034520906384.

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The aim of this systematic review and network meta-analysis was to summarize the direct and indirect clinical evidence on the effectiveness of professionally applied and self-applied topical fluorides in preventing dental root caries. Controlled clinical trials with any follow-up duration were included. MEDLINE, PubMed, Embase, Scopus, and Cochrane Library were searched. Two reviewers independently carried out the selection of studies, data extraction, risk-of-bias assessments, and assessment of the certainty in the evidence using the Grading of Recommendations Assessment, Development, and Eva
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2

CARVALHO, Monize Ferreira Figueiredo de, Lissandra C. S. SANTOS, Evandro WATANABE, Adriana Maria BOTELHO, and Karine Taís Aguiar TAVANO. "Assessment of sodium fluoride 2% as a new method of disinfecting extracted human teeth." RGO - Revista Gaúcha de Odontologia 64, no. 4 (2016): 429–33. http://dx.doi.org/10.1590/1981-8637201600030000103074.

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ABSTRACT Objective: Investigate the action of sodium fluoride 2% as a new method of disinfecting/sterilizing extracted human teeth, using E. faecalis. Methods: The survival rate of E. faecalis ATCC 29212 was assessed, in terms of absorbance from the culture media, using a spectrophotometer. The sterilization assessment was carried out in the following groups: Group I (GI) - control; GII - autoclave; GIII - sodium fluoride seven days; GIV - sodium fluoride 14 days. Results: When using the autoclave and sodium fluoride solution (2%), the quantity of bacteria reduced significantly when compared t
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3

Lin, Bi Lan, Yu Ye Xu, and En Cai Li. "Effect of Phosphating Additives on Corrosion Resistance of Phosphate Coatings on AZ91D Magnesium Alloy." Advanced Materials Research 337 (September 2011): 112–15. http://dx.doi.org/10.4028/www.scientific.net/amr.337.112.

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AZ91D magnesium alloys were immersed in different phosphating solutions with zinc nitrate and sodium fluoride additives to enhance the corrosion resistance. The devolution law of the Open Circuit Potential (OCP) of AZ91D alloys during phosphating was measured. The corrosion behaviors of AZ91D alloys in 3.5%NaCl solution were investigated using OCP and Tafel polarization methods, and the effect of phosphating additives was discussed. The results show that the changes of the OCP of AZ91D alloys with phosphating time in different phosphating solutions are different; the anodic and cathodic corros
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4

Li, Xiao Ji, Jian Qiu Wang, En Hou Han, and Wei Ke. "Stress Corrosion Cracking of NiTi Orthodontic Wires in Sodium Fluoride Solution." Advanced Materials Research 32 (February 2008): 79–82. http://dx.doi.org/10.4028/www.scientific.net/amr.32.79.

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The influence of fluoride on stress corrosion cracking (SCC) of NiTi orthodontic wires was investigated using slow strain rate test (SSRT) and scanning electron microscopy (SEM). The results indicated that fluoride significantly accelerated the stress corrosion cracking of NiTi orthodontic wires. The fractographies of NiTi orthodontic wires exhibited striation pattern.
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5

Wu, Meng, Bingxin Wang, Qianku Hu, Libo Wang, and Aiguo Zhou. "The Synthesis Process and Thermal Stability of V2C MXene." Materials 11, no. 11 (2018): 2112. http://dx.doi.org/10.3390/ma11112112.

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The effect of etching solution on the synthesis process of two-dimensional vanadium carbide (V2C MXene) was researched. Three etching solutions were used to etch ternary carbide V2AlC at 90 °C. The three solutions were: lithium fluoride + hydrochloric acid (LiF + HCl), sodium fluoride + hydrochloric acid (LiF + HCl), and potassium fluoride + hydrochloric acid (KF + HCl). It was found that only NaF + HCl solution was effective for synthesizing highly pure V2C MXene. The existence of sodium (Na+) and chloridion (Cl−) in etching solution was essential for the synthesis. The thermal stability of t
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6

Billington, R. W., P. C. Hadley, M. R. Towler, G. J. Pearson, and J. A. Williams. "Effects of adding sodium and fluoride ions to glass ionomer on its interactions with sodium fluoride solution." Biomaterials 21, no. 4 (2000): 377–83. http://dx.doi.org/10.1016/s0142-9612(99)00199-4.

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7

Carlá, M., G. Aloisi, S. Bordi, and G. Papeschi. "Adsorption of Sodium Fluoride at the Mercury‐Solution Interface." Journal of The Electrochemical Society 133, no. 7 (1986): 1391–94. http://dx.doi.org/10.1149/1.2108894.

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8

Vogt, Beatriz Farias, Roberta Dalmolin Bergoli, Carlos Eduardo Chrzanowski Pereira De Souza, et al. "The effect of propolis solution on root surface treatment in replanted teeth." Brazilian Dental Science 18, no. 3 (2015): 90. http://dx.doi.org/10.14295/bds.2015.v18i3.1147.

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<strong>Objective: </strong>The objective of this study was to assess the effect of propolis solution on root surface treatment in cases of delayed tooth replantation following chemical or mechanical removal of the periodontal ligament. <strong>Material and methods:</strong> Maxillary right central incisors of 36 male rats (Wistar) were extracted, kept in a dry environment for 15 minutes and then distributed into six groups, as follows: mechanical-propolis and mechanical-fluoride (mechanical removal followed by immersion in 6% propolis and 2% sodium fluoride, respective
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9

Bazrafshan, Edris, Kamal Aldin Ownagh, and Amir Hossein Mahvi. "Application of Electrocoagulation Process Using Iron and Aluminum Electrodes for Fluoride Removal from Aqueous Environment." E-Journal of Chemistry 9, no. 4 (2012): 2297–308. http://dx.doi.org/10.1155/2012/102629.

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Fluoride in drinking water above permissible level is responsible for human being affected by skeletal fluorosis. The present study was carried out to assess the ability of electrocoagulation process with iron and aluminum electrodes in order to removal of fluoride from aqueous solutions. Several working parameters, such as fluoride concentration, pH, applied voltage and reaction time were studied to achieve a higher removal capacity. Variable concentrations (1, 5 and 10 mg L-1) of fluoride solutions were prepared by mixing proper amount of sodium fluoride with deionized water. The varying pH
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10

Liu, Xiao Zhen, Jun Liang Feng, Yi Fan Luo, Xiao Zhou Liu, Jie Chen, and Lu Ding. "Preparation of Electrodeposited Mo-Ni Coating in Weak Acid Solution." Applied Mechanics and Materials 556-562 (May 2014): 425–28. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.425.

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Mo-Ni coatings were prepared on Ni alloy by electrodeposition method. The effects of sodium fluoride mass concentration, sodium chloride mass concentration, sodium molybdate mass concentration and pH value on deposition rate of Mo-Ni coating were researched, respectively. The morphology of Mo-Ni coatings were characterized with scanning electron microcopy (SEM). When sodium fluoride mass concentration is 12 g/L, deposition rate of Mo-Ni coating is as high as 0.3781 mg/cm2·min. When sodium chloride mass concentration is 22.3 g/L, deposition rate of Mo-Ni coating is as high as 0.2108 mg/cm2·min.
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11

Delbem, Alberto Carlos Botazzo, José Antonio Santos Souza, Ana Carolina Soares Fraga Zaze, Eliana Mitsue Takeshita, Kikue Takebayashi Sassaki, and João Carlos Silos Moraes. "Effect of Trimetaphosphate and Fluoride Association on Hydroxyapatite Dissolution and Precipitation In Vitro." Brazilian Dental Journal 25, no. 6 (2014): 479–84. http://dx.doi.org/10.1590/0103-6440201300174.

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The present study analyzed the action of sodium trimetaphosphate (TMP) and/or fluoride on hydroxyapatite. Hydroxyapatite powder was suspended in different solutions: deionized water, 500 µg F/mL, 1,100 µg F/mL, 1%TMP, 3%TMP, 500 µg F/mL plus 1%TMP and 500 µg F/mL plus 3%TMP. The pH value of the solutions was reduced to 4.0 and after 30 min, raised to 7.0 (three times). After pH-cycling, the samples were analyzed by X-ray diffraction and infrared spectroscopy. The concentrations of calcium fluoride, fluoride, calcium and phosphorus were also determined. Adding 1% or 3% TMP to the solution conta
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12

Suma, S., N. Santha, and M. T. Sebastian. "Growth of KTP crystals from potassium sodium fluoride phosphate solution." Materials Letters 34, no. 3-6 (1998): 322–25. http://dx.doi.org/10.1016/s0167-577x(97)00190-0.

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13

Toda, S., and J. D. Featherstone. "Effects of Fluoride Dentifrices on Enamel Lesion Formation." Journal of Dental Research 87, no. 3 (2008): 224–27. http://dx.doi.org/10.1177/154405910808700303.

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An in vitro pH cycling model was used to test the hypothesis that the effects of 3 different fluoride compounds on de/remineralization are a function of the free fluoride ion concentration. Groups of 10 human enamel specimens were treated with one of: (a) amine fluoride (AmF), 1250 ppm F; (b) sodium monofluorophosphate (NaMFP), 1000 ppm F; (c) sodium fluoride (NaF), 1100 ppm F; (d) NaF, 250 ppm F; (e) Placebo (< 1 ppm F) dentifrices; or with aqueous solutions (f) NaF 900 ppm F or (g) NaF 30 ppm F. Lesions were assessed by cross-sectional microhardness. Mean ± SEM ΔZ (vol.% x μm) values of 3
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14

Hartati, Hartati, Alfa Akustia Widati, Tanti Kartika Dewi, and Didik Prasetyoko. "Direct Synthesis of Highly Crystalline ZSM-5 from Indonesian Kaolin." Bulletin of Chemical Reaction Engineering & Catalysis 12, no. 2 (2017): 251. http://dx.doi.org/10.9767/bcrec.12.2.809.251-255.

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Direct synthesis of ZSM-5 from Indonesian kaolin without calcination for the formation of metakaolin was done through the addition of an alkaline solution (sodium fluoride and sodium hydroxide) and the fusion using sodium hydroxide. Crystallization was conducted through hydrothermal method at 80 °C for four days. XRD diffractogram and FTIR spectra showed that the addition of sodium fluoride solution in the ratio Si/Al = 100 could produce highly crystalline ZSM-5, whereas the use of a sodium hydroxide solution and fusion process did not produce the crystalline ZSM-5. Copyright © 2017 BCREC Grou
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15

Hellwig, E., J. Klimek, and H. Wagner. "The Influence of Plaque on Reaction Mechanism of MFP and NaF in vivo." Journal of Dental Research 66, no. 1 (1987): 46–49. http://dx.doi.org/10.1177/00220345870660011001.

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A modified Intra-oral Cariogenicity Test was used to study the influence of plaque on the reaction mechanism of sodium monofluorophosphate (MFP) or sodium fluoride (NaF) in either sound or demineralized enamel in vivo. Volunteer students, wearing mouth appliances holding enamel blocks, rinsed their mouths with MFP or NaF solution (1000 ppm F-) three times a day. The amount of loosely-bound and acquired fluoride was determined after an experimental period of five days in plaque-covered, demineralized (PCD); clean, demineralized (CD); plaque-covered, sound (PCS); and clean sound enamel (CS). Whi
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16

Zanatta, Rayssa Ferreira, Daniele Mara da Silva Ávila, Karen Mayumi Miyamoto, Carlos Rocha Gomes Torres, and Alessandra Bühler Borges. "Influence of Surfactants and Fluoride against Enamel Erosion." Caries Research 53, no. 1 (2018): 1–9. http://dx.doi.org/10.1159/000488207.

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This study investigated the effect of surfactants associated with sodium fluoride (NaF) on enamel erosion prevention, using an erosion-remineralization in vitro model. Sodium lauryl sulfate (SLS), polysorbate 20 (P20), and cocoamidopropyl betaine (CAPB) were tested, at concentrations of 1.0 and 1.5%, and associated or not with NaF (275 ppm). The control groups were distilled water and the NaF solution. Bovine enamel samples (n = 12) were prepared and submitted to a 5-day cycling model: acid challenge (0.3% citric acid, pH 2.6, 4×/day), human saliva (2 h, 4×/day), and the treatment solutions (2
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17

Gao, S. S., D. Duangthip, M. C. M. Wong, E. C. M. Lo, and C. H. Chu. "Randomized Trial of Silver Nitrate with Sodium Fluoride for Caries Arrest." JDR Clinical & Translational Research 4, no. 2 (2019): 126–34. http://dx.doi.org/10.1177/2380084418818482.

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Objectives: The aim of this noninferiority double-blind randomized clinical trial was to compare the effectiveness of the topical semiannual application of a 25% silver nitrate (AgNO3) solution followed by a 5% sodium fluoride (NaF) varnish with that of a 38% silver diamine fluoride (SDF) solution in arresting caries among preschool children. Methods: Healthy 3-y-old children with active dentine carious lesions were randomly allocated to 2 groups via computer-generated random numbers. Lesions in group A received applications of a 25% AgNO3 solution followed by a 5% NaF varnish semiannually (ev
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18

Santos, Rogério Lacerda dos, Matheus Melo Pithon, Delmo Santiago Vaitsman, Mônica Tirre de Souza Araújo, Margareth Maria Gomes de Souza, and Matilde Gonçalves da Cunha Nojima. "Long-term fluoride release from resin-reinforced orthodontic cements following recharge with fluoride solution." Brazilian Dental Journal 21, no. 2 (2010): 98–103. http://dx.doi.org/10.1590/s0103-64402010000200002.

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The aim of this study was to test the hypothesis that there is no difference in the fluoride release behavior of resin-reinforced glass ionomer cements before or after fluoride recharge. The materials were divided into 5 groups: 2 resin-reinforced glass ionomer cements used for attaching orthodontic bands, that is, group FOB (Fuji Ortho Band) and group MCB (Multi-Cure Glass Ionomer Orthodontic Band Cement); 2 resin-reinforced glass ionomer cements and a composite used for bonding orthodontic brackets, that is, group OGLC (Ortho Glass LC), group FOLC (Fuji Ortho LC), and group TXT (Transbond XT
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Santos, Daniela, Emily Silva, Adaias Matos, et al. "Bacterial Adhesion on Lithium Disilicate Ceramic Surface Exposed to Different Hydrofluoric Solutions." Ceramics 1, no. 1 (2018): 145–52. http://dx.doi.org/10.3390/ceramics1010013.

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The effect of Fluorine solutions on the surface and bacterial adhesion of lithium disilicate is a concern. The aim was to evaluate the surface roughness and the adhesion of Streptococcus sanguinis on lithium disilicate ceramic, under the influence of different solutions containing Fluorine. Forty lithium disilicate (IPS e.max Press Impulse) discs (2.5 × 5 mm) was divided into 4 groups (n = 10): artificial saliva (Group AS), 0.2% sodium fluoride (Group NaF), 1.23% acidulated phosphate fluoride gel (Group APF), and mouthwash (Group MW). Roughness analyses were performed before and after the imme
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Druchok, Maksym, and Vojko Vlachy. "Molecular dynamics study of the hydrophobic 6,6-ionene oligocation in aqueous solution with sodium halides." Pure and Applied Chemistry 82, no. 10 (2010): 1943–55. http://dx.doi.org/10.1351/pac-con-09-10-41.

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An explicit water molecular dynamics (MD) simulation is presented of a solution modeling aliphatic 6,6-ionene oligocations mixed with low-molecular-weight electrolytes. In all cases, the co-ions were sodium cations and the counterions were fluoride, chloride, bromide, or iodide anions. The simple point charge/extended (SPC/E) model was used to describe water. The results of the simulation at T = 278 K (the data for 298 K were obtained earlier) and T = 318 K are presented in the form of pair distributions between various atoms and/or between ions in the system. We were interested in how tempera
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Sastrodihardjo, Sumadhi, and Kholidina Imanda Harahap. "DISINFECTION CAPACITY OF MOUTHWASHES USING AS ADMIX SOLUTION OF ALGINATE IMPRESSION." Dentika Dental Journal 19, no. 2 (2016): 98–101. http://dx.doi.org/10.32734/dentika.v19i2.408.

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Immersion and spraying with disinfectant solution are the effective disinfection methods for alginate impression. However these methods causes dimensional changes on impression. Therefore mouthwash, which also has disinfectant function on microorganism can be used as mixing solution for alginate impression material. The aim of this study is to analyze antibacterial capacity of mouthwashes that used as admix solution for alginate impression. Samples was made from alginate impression material in tablet form with 15 mm diameter and 1 mm thickness. Total samples are 35 , 5 for admix with aquadest
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22

Chen, K. J., S. S. Gao, D. Duangthip, E. C. M. Lo, and C. H. Chu. "Randomized Clinical Trial on Sodium Fluoride with Tricalcium Phosphate." Journal of Dental Research 100, no. 1 (2020): 66–73. http://dx.doi.org/10.1177/0022034520952031.

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This 24-mo randomized controlled trial was based on a double-blind parallel design, and it compared the effectiveness of 2 fluoride application protocols in arresting dentine caries in primary teeth. Three-year-old children with active dentine caries were recruited and randomly allocated to 2 treatment groups. Children in group A received a semiannual application of a 25% silver nitrate (AgNO3) solution followed by a commercially available varnish with 5% sodium fluoride (NaF) on the carious tooth surfaces. Children in group B received a semiannual application of a 25% AgNO3 solution followed
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Li, Changchun, and Yuxin Wu. "Research on hydrogen generation from rapid hydrolysis of aluminum in sodium fluoride solution." E3S Web of Conferences 118 (2019): 03048. http://dx.doi.org/10.1051/e3sconf/201911803048.

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Hydrogen generation from rapid hydrolysis of aluminum in sodium fluoride solution was investigated through a hydrolysis experiment. Rapid and instant hydrogen yield were observed using sodium fluoride as additive. The experimental results demonstrate that the increase of temperature and the amount of additives in a certain range will boost the hydrogen production. The amount of additives outside the range only has an effect on the rapid hydrolysis of the aluminum during the initial stage, but the total amount of hydrogen produced doesn’t increased significantly. Theoretical analysis of the eff
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24

Bagmut, I. Yu, and I. L. Kolisnyk. "ACTIVITY OF THE MICROSOMAL OXIDATION SYSTEM IN RAT LIVER UNDER THE INFLUENCE OF SODIUM FLUORIDE." Вісник медичних і біологічних досліджень, no. 4 (February 25, 2021): 121–24. http://dx.doi.org/10.11603/bmbr.2706-6290.2020.4.11825.

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Summary. The pathogenesis of fluoride intoxication at the molecular, cellular and functional levels has not been sufficiently studied. There are very few modern data on these issues, so they are contradictory, since the effects of this trace element are multifaceted and cannot be characterized unambiguously.
 The aim of the study – to learn the state of the monooxygenase system of rat hepatocytes under conditions of the formation of fluoride intoxication.
 Materials and Methods. In the experiment, we used 30 sexually mature rats (N=30) of the Wistar population weighing 200–210 g for
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25

Kassab, Elisa J., and José Ponciano Gomes. "Assessment of nickel titanium and beta titanium corrosion resistance behavior in fluoride and chloride environments." Angle Orthodontist 83, no. 5 (2013): 864–69. http://dx.doi.org/10.2319/091712-740.1.

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ABSTRACT Objective: To assess the influence of fluoride concentration on the corrosion behavior of nickel titanium (NiTi) superelastic wire and to compare the corrosion resistance of NiTi with that of beta titanium alloy in physiological solution with and without addition of fluoride. Materials and Methods: NiTi corrosion resistance was investigated through electrochemical impedance spectroscopy and anodic polarization in sodium chloride (NaCl 0.15 M) with and without addition of 0.02 M sodium fluoride (NaF), and the results were compared with those associated with beta titanium. The influence
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Völp, Karin, Gerhard Baum, Werner Massa, and Kurt Dehnicke. "[Na-15-Krone-5][MoF2Cl2(N3S2)]; Synthese und Kristallstruktur / [Na-15-Crown-5][MoF2Cl2(N3S2)]; Synthesis and Crystal Structure." Zeitschrift für Naturforschung B 43, no. 10 (1988): 1235–39. http://dx.doi.org/10.1515/znb-1988-1004.

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The cyclothiazeno complex [Na-15-crown-5][MoF2Cl2(N3S2)] has been prepared by the reaction of sodium fluoride with [MoCl3(N3S2)]2 in acetonitrile solution in the presence of [15-crown-5]. The compound was characterized by its IR spectrum as well as by an X-ray structure determination (3560 observed independent reflexions, R = 0.039). Crystal data: monoclinic, P21/n, Z = 4; a = 1044.8(2); b = 1513.7(2); c = 1363.8(3) pm; β = 104.33(2)°. The structure consists of ion pairs, in which the sodium atom is seven-coordinated by the oxygen atoms of the crown ether molecule and by the two fluorine ligan
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27

Gromova, S. N., N. A. Guzhavina, E. A. Falaleeva, E. P. Kolevatykh, А. V. Elikov, and S. B. Petrov. "Comprehensive study of the toothpaste containing fluoride and 67% aqueous sodium bicarbonate solution." Parodontologiya 26, no. 2 (2021): 137–43. http://dx.doi.org/10.33925/1683-3759-2021-26-2-137-143.

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Relevance. A wide variety of oral care products is available nowadays. Sometimes aggressive advertising rather than doctor’s advice determines our patients’ choice. In our research, we provide evidence of the clinical use of toothpaste containing fluoride and sodium bicarbonate.Materials and methods. During four weeks, we followed up a group of students who used the toothpaste containing 1400 ppm fluoride and 67% aqueous sodium bicarbonate solution. The clinical, biochemical and microbiological tests and saliva crystallization score assessed the characteristics stated by the manufacturer.Resul
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Gerdes, A., and F. H. Wittmann. "Chemische Stabilität von Natriummonofluorphosphat in der Porenlösung des Betons / Chemical stability of sodium monofluorophosphate in the pore solution of concrete." Restoration of Buildings and Monuments 4, no. 4 (1998): 423–34. http://dx.doi.org/10.1515/rbm-1998-5293.

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Abstract For non-destructive rehabilitation in case of corroding reinforcement the application of sodium monofluorophosphate has been proposed. In practice an aqueous solution of sodium monofluorophosphate is sprayed on the concrete surface. By capillary suction the inhibitor is supposed to he transported into zones surrounding the corroding reinforcement in order to inhibit further corrosion. Hut the results presented here show that monofluorophosphate decomposes in the alkaline concrete pore solution forming slightly soluble calcium phosphate and calcium fluoride. Calcium phosphate and calci
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Gu, Dong Lin, and Wen Liang. "Adsorption of Fluoride Ions from Drinking Water Using Glass Derived Porous Hydroxyapatite Scaffolds." Applied Mechanics and Materials 423-426 (September 2013): 1413–17. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1413.

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Sodium calcium borate glass derived hydroxyapatite (G-HAP) scaffolds were prepared by dipping with polymer foam. The effects of adsorption time and G-HAP scaffolds dosage on adsorption performance were studied. The results showed that G-HAP scaffolds could remove fluorine ions in solution effectively. The mechanism of G-HAP scaffolds in removing fluorine ions from aqueous solutions was investigated by the X-ray diffraction, Infrared Spectra and Scanning electron microscopy-Energy Dispersive Spectrometer.
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Sufarnap, Erliera, Kholidina Imanda Harahap, and Terry Terry. "Effect of sodium fluoride in chlorhexidine mouthwashes on force decay and permanent deformation of orthodontic elastomeric chain." Padjadjaran Journal of Dentistry 33, no. 1 (2021): 74. http://dx.doi.org/10.24198/pjd.vol33no1.26370.

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Introduction: Orthodontic elastomeric chain is polyurethane elastomer that is widely used among orthodontists due to its functions. Chlorhexidine (CHX) and sodium fluoride (NaF) are listed in mouthwash composition which could affect the mechanical properties of the elastomeric chain. This study was aimed to analyze the effect of sodium fluoride in chlorhexidine mouthwashes on force decay and permanent deformation of orthodontic elastomeric chains. Methods: This research is an experimental analytic laboratory with pretest-posttest control group design. 150 samples of orthodontic chains were div
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de Oliveira, Ana Luísa Botta Martins, Elisa Maria Aparecida Giro, Patrícia Petromilli Nordi Sasso Garcia, Juliana Álvares Duarte Bonini Campos, Jin-Ho Phark, and Sillas Duarte. "Roughness and Morphology of Composites: Influence of Type of Material, Fluoride Solution, and Time." Microscopy and Microanalysis 20, no. 5 (2014): 1365–72. http://dx.doi.org/10.1017/s1431927614012951.

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AbstractThis study evaluated the effect of fluoride solutions on surface roughness and morphology of composites in the short and long term. Specimens were randomly assigned to experimental groups (n=5) according to type of composite (nanofilled, microhybrid, microfilled) and immersion media (artificial saliva, 0.05% sodium fluoride solution, Fluordent Reach, Oral-B, and Fluorgard). Roughness was evaluated at time intervals: T0 after 24 h in artificial saliva (baseline); T60 after being in assigned immersion media for 1 min daily over 60 days; and Tfinal after artificial aging (20,000 thermal c
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Akimov, O. Ye, N. V. Solovyova, and V. O. Kostenko. "INFLUENCE OF NANOSIZED SILICA OXIDE SUSPENSION ON NITRIC OXIDE PRODUCTION IN RATS TESTES DURING CHRONIC NITRATE-FLUORIDE INTOXICATION." Актуальні проблеми сучасної медицини: Вісник Української медичної стоматологічної академії 20, no. 1 (2020): 130–34. http://dx.doi.org/10.31718/2077-1096.20.1.130.

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In the Poltava region of Ukraine there is a high possibility of combined excessive intake of nitrates and fluorides, since the waters of the Buchaksʹkii aquifer are rich in fluorine ions, moreover, the Poltava region is a region with a developed agriculture.
 The purpose of this work is to determine the effect of nanosized silicon oxide suspension on the changes in the activity of nitric oxide cycle components, components, and, namely the total activity of NO-synthases (NOS), the activity of constitutive forms of NOS (cNOS), inducible form of NOS (iNOS), nitrate reductase, nitrite reducta
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Liu, Xin Kuan, Ping Liu, Yang Hui Xiang, Wen Bin Hu, and Wen Jiang Ding. "Reconditioning of Electroless Nickel Plating Bath on Magnesium Alloys." Materials Science Forum 686 (June 2011): 720–26. http://dx.doi.org/10.4028/www.scientific.net/msf.686.720.

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The reconditioning operation of electroless nickel (EN) plating was studied and the influence of aging on the deposition speed, phosphorous content and stability of the operating solution was analyzed. The results showed that aging of the EN bath caused a dramatic declining of the deposition speed and the bath stability, while a slow increasing in phosphorous content of the deposit. Fluoride of NaF and NiF2would precipitate from the bath due to the accumulation of sodium and fluorine ions during the replenishment. The sediment of NaF and NiF2had a detrimental effect on the EN process and would
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Anderson, Chad J., Gerard Kugel, Yuanshu Zou, Marco Ferrari, and Robert Gerlach. "A randomized, controlled, two-month pilot trial of stannous fluoride dentifrice versus sodium fluoride dentifrice after oxalate treatment for dentinal hypersensitivity." Clinical Oral Investigations 24, no. 11 (2020): 4043–49. http://dx.doi.org/10.1007/s00784-020-03275-8.

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Abstract Objectives To compare the effects of a stannous fluoride dentifrice and a sodium fluoride dentifrice on dentinal hypersensitivity when used with an oxalate-based regimen combining in-office and at-home treatment. Materials and methods In this single-center, randomized, controlled, double-blind, pilot clinical trial, 30 subjects were professionally treated at baseline with a 3% oxalate/potassium salt solution on up to two target teeth, then randomized 1:1 to either 0.454% stannous fluoride or 0.243% sodium fluoride overlabeled dentifrice. Both groups were given 6 sensitivity strips (3.
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35

Panzarini, Sônia Regina, Antônio César Perri de Carvalho, Wilson Roberto Poi, and Celso Koogi Sonoda. "Use of vitamin C in delayed tooth replantation." Brazilian Dental Journal 16, no. 1 (2005): 17–22. http://dx.doi.org/10.1590/s0103-64402005000100003.

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This study evaluated microscopically the effects of root surface treatment with three different solutions in delayed rat teeth replantation. Central incisors from 30 rats (Rattus norvegicus, albinus Wistar) were extracted and left on a bench for 6 h. The pulps were extirpated and root canals were irrigated with 1% sodium hypochlorite. After endodontic treatment, the root surfaces of all teeth were submitted to a 10-min treatment with 1% sodium hypochlorite, changed every 5 min. The teeth were then rinsed with saline for 10 min and assigned to 3 groups with ten specimens each. Groups I, II and
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36

Niu, Bai Jie, Wen Ming Ding, and Dan Dang. "Regeneration Effect of Fluoride-Rich Granular Activated Alumina on Desorption Regent NaOH Solution." Applied Mechanics and Materials 316-317 (April 2013): 653–56. http://dx.doi.org/10.4028/www.scientific.net/amm.316-317.653.

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As an effective adsorbent, granular activated alumina (GAA) has been widely used in defluoridation. In order to reduce cost and operate environment-friendly, the adsorbent should be regenerated. In this paper, column experiment was done to characterize the fluoride removal properties and to develop an optimal method to regenerate fluoride-rich modified activated alumina (MGAA). The MGAA can be regenerated by utilizing sodium hydroxide solution desorption, deionized water washing and ferric sulfate reactivation and then used for futher defluoride operation. The influence of the concentration of
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ten Cate, J. M., M. J. Buijs, C. Chaussain Miller, and R. A. M. Exterkate. "Elevated Fluoride Products Enhance Remineralization of Advanced Enamel Lesions." Journal of Dental Research 87, no. 10 (2008): 943–47. http://dx.doi.org/10.1177/154405910808701019.

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Caries prevention might benefit from the use of toothpastes containing over 1500 ppm F. With few clinical studies available, the aim of this pH-cycling study was to investigate the dose response between 0 and 5000 ppm F of de- and remineralization of advanced (> 150 μm) enamel lesions. Treatments included sodium and amine fluoride, and a fluoride-free control. Mineral uptake and loss were assessed from solution calcium changes and microradiographs. Treatments with 5000 ppm F both significantly enhanced remineralization and inhibited demineralization when compared with treatments with 1500 p
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38

Yen, Yao-Pin, Chia-Lan Chen, Tung-Ming Fu, Chen-Yu Wu, and Chi-Yung Lin. "A Colorimetric Ditopic Receptor Modulated by Fluoride Anion and Sodium Cation Binding." Australian Journal of Chemistry 59, no. 11 (2006): 805. http://dx.doi.org/10.1071/ch06265.

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A new colorimetric ditopic receptor (1) was synthesized and characterized. Upon investigation of a series of anions, the appearance of the solution of receptor 1 with F– showed a colour change from light-yellowish to orange-red which can be detected by the naked eye. Upon subsequent addition of Na+ or Li+ to the solution, the orange-red colour was no longer observable. The remarkable colour switching (ON and OFF) is thus controlled by the anion and cation recognition.
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Yegorov, V. V., O. Yu Makovskaya, S. V. Mamyachenkov, and P. A. Kozlov. "SORPTION OF FLUORIDE IONS BY IRON OXYHYDRATE FIXED ON THE CARRIERS. Part 1. Organic carriers." Izvestiya Vuzov Tsvetnaya Metallurgiya (Proceedings of Higher Schools Nonferrous Metallurgy, no. 4 (August 16, 2018): 15–23. http://dx.doi.org/10.17073/0021-3438-2018-4-15-23.

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The article considers possibility of using inorganic sorbent – iron oxyhydrate (IOH) – to remove F– ions from process solutions of zinc production. The method of IOH synthesis is chosen. The results of scanning electron microscopy and X-ray phase analysis are presented. The principal possibility of using ion-exchange resins as IOH-modified carriers is considered. The paper studies active substance formation on anion and cation exchange resins. It is shown that the most durable composite sorbents are obtained using strongly acidic cation exchange resins with SO3– groups. A method for introducin
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Chu, C. H., E. C. M. Lo, and H. C. Lin. "Effectiveness of Silver Diamine Fluoride and Sodium Fluoride Varnish in Arresting Dentin Caries in Chinese Pre-school Children." Journal of Dental Research 81, no. 11 (2002): 767–70. http://dx.doi.org/10.1177/0810767.

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Untreated dental caries in Chinese pre-school children is common. This prospective controlled clinical trial investigated the effectiveness of topical fluoride applications in arresting dentin caries. Three hundred seventy-five children, aged 3-5 years, with carious upper anterior teeth were divided into five groups. Children in the first and second groups received annual applications of silver diamine fluoride solution (44,800 ppm F). Sodium fluoride varnish (22,600 ppm F) was applied every three months to the lesions of children in the third and fourth groups. For children in the first and t
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Li, Yu Sheng, Gui Bao Guo, and Sheng Li An. "Studies on Preparation and Properties of PVDF-g-PAMPS Membrane." Advanced Materials Research 311-313 (August 2011): 244–47. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.244.

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A proton exchange membrane of poly (vinylidene fluoride) grafted onto poly (2-acrylamido-2-methylpropane sulfonic acid) (PVDF-g-PAMPS) was prepared as follows: acrylamido-2-methylpropane sulfonic acid (AMPS) was first added to a N-Methyl pyrrolidone (NMP) solution containing poly (vinylidene fluoride) (PVDF) that was modified with plain sodium silicate. Ammonium persulfate was then added as an evocating agent and PAMPS was directly grafted onto the PVDF that was modified with plain sodium silicate. The influences of AMPS contents on the proton conductivity and mechanical properties were studie
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Xu, Jia, and Gui Bao Guo. "Studies on Preparation and Methanol Permeability of PVDF-g-PAMPS Membrane." Advanced Materials Research 335-336 (September 2011): 157–60. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.157.

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A proton exchange membrane of poly (vinylidene fluoride) grafted onto poly (2-acrylamido-2-methylpropane sulfonic acid) (PVDF-g-PAMPS) was prepared as follows: acrylamido-2-methylpropane sulfonic acid (AMPS) was first added to a N-Methyl pyrrolidone (NMP) solution containing poly (vinylidene fluoride) (PVDF) that was modified with plain sodium silicate. Ammonium persulfate was then added as an evocating agent and PAMPS was directly grafted onto the PVDF that was modified with plain sodium silicate. The influences of AMPS contents on the proton conductivity and methanol permeability were studie
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Santos, Rogério Lacerda dos, Matheus Melo Pithon, Júlia Barbosa Pereira Leonardo, Edna Lúcia Couto Oberosler, Delmo Santiago Vaitsman, and Antônio Carlos de Oliveira Ruellas. "Orthodontic cements: immediate protection and fluoride release." Dental Press Journal of Orthodontics 17, no. 4 (2012): e1-e5. http://dx.doi.org/10.1590/s2176-94512012000400010.

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OBJECTIVES: The objective of the authors was to evaluate fluoride release of 3 glass ionomer cements with immediate protection of fluoride varnish (Cavitine, SS White), divided into 3 groups: Group M (Meron, VOCO), Group V (Vidrion C, SS White) and Group KC (Ketac-Cem, 3M ESPE). METHODS: Fluoride release was measured during 60 days by means of an ion-selective electrode connected to an ion analyzer. After 4 weeks, the test specimens were exposed to a solution of 0.221% sodium fluoride (1000 ppm of fluoride). RESULTS: Results showed that the cements reached a maximum peak of fluoride release in
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SEPPÄ, LIISA. "Effects of a sodium fluoride solution and a varnish with different fluoride concentrations on enamel remineralization in vitro." European Journal of Oral Sciences 96, no. 4 (1988): 304–9. http://dx.doi.org/10.1111/j.1600-0722.1988.tb01560.x.

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Manarelli, Michele M., Juliano P. Pessan, Alberto C. B. Delbem, Jackeline G. Amaral, Mayra F. Paiva, and Michele E. Barbour. "Protective Effect of Phosphates and Fluoride on the Dissolution of Hydroxyapatite and Their Interactions with Saliva." Caries Research 51, no. 2 (2017): 96–101. http://dx.doi.org/10.1159/000452716.

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This study aimed to investigate the effect of phosphates and fluoride, alone or in combination, and the influence of salivary pellicle on hydroxyapatite (HA) dissolution. The baseline dissolution rate of HA discs was measured using a pH-stat system (0.3% citric acid, pH 3.2). In the first series of experiments, HA discs (n = 8/group) were treated with: a placebo solution (PLA, deionised water); sodium trimetaphosphate (TMP), sodium tripolyphosphate (TRI) and sodium pyrophosphate (PYRO) at 1 or 8%; 500 ppm F; 1,100 ppm F; 1,100 ppm F/1% TMP; 1,100 ppm F/8% TMP; 1,100 ppm F/1% TRI; 1,100 ppm F/8
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Ohno, Motofumi, Kazunari Kimoto, Toshihisa Toyoda, Kazushige Kawata, and Hirohisa Arakawa. "Fluoride-Treated Bio-Resorbable Synthetic Hydroxyapatite Promotes Proliferation and Differentiation of Human Osteoblastic MG-63 Cells." Journal of Oral Implantology 39, no. 2 (2013): 154–60. http://dx.doi.org/10.1563/aaid-joi-d-10-00175.

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When resorbable hydroxyapatite (HA) granules, which are used as a bone supplement material, were treated in neutral 4% sodium fluoride (NaF) solution, formation of a reactant resembling calcium fluoride was observed on the surface of the granules. Immediate and slow release of fluoride from fluoridated HA (HA+F) granules was observed after immersion in culture fluid, and the concentration increased over time to 1.25 ± 0.05 ppm F at 0.5 hours, 1.57 ± 0.12 ppm F at 24 hours, and 1.73 ± 0.15 ppm F at 48 hours. On invasion assay, migration of human osteoblast-like MG-63 cells exposed to the releas
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Raghu, Jetti, Vasudeva C. Raghuveer, Mallikarjuna C. Rao, Nagabhooshana S. Somayaji, and Prakash B. Babu. "The ameliorative effect of ascorbic acid and Ginkgo biloba on learning and memory deficits associated with fluoride exposure." Interdisciplinary Toxicology 6, no. 4 (2013): 217–21. http://dx.doi.org/10.2478/intox-2013-0032.

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ABSTRACT Chronic exposure to fluoride causes dental and skeletal fluorosis. Fluoride exposure is also detrimental to soft tissues and organs. The present study aimed at evaluation of the effect of Ginkgo biloba and ascorbic acid on learning and memory deficits caused by fluoride exposure. Male Wistar rats were divided into five groups (n=6). Group 1 control. Groups 2 to 5 received 100 ppm of sodium fluoride over 30 days. Groups 3, 4 and 5 were further treated for 15 days receiving respectively 1% gum acacia solution, 100 mg/kg body weight ascorbic acid, and 100mg/kg body weight Ginkgo biloba e
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Song, Mingyue, Leping Dang, and Hongyuan Wei. "Evaluation of Calcium Binding Capacity of Chelating Agents in Calcium Carbonate Suspension and Effects on Calcium Distribution of Calcium Chelating Agents." Australian Journal of Chemistry 74, no. 7 (2021): 557. http://dx.doi.org/10.1071/ch20376.

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In this study, the binding capacity of calcium ions of sodium tripolyphosphate (STPP), tetrasodium pyrophosphate (TSPP), trisodium citrate (TSC), and potassium oxalate (PO) were evaluated, and the calcium distribution in the presence of STPP and TSPP in CaCl2 solutions (50mmolL−1) were investigated. Under conditions simulating industrial toothpaste, the concentration of fluoride in calcium carbonate suspensions (30 g/50 g) was measured by ion chromatography to investigate the effects of chelating agents on calcium ions. Among all the chelating agents, STPP and TSPP have the highest retention r
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Zanela, Nildiceli Leite Melo, Maria Francisca Thereza Borro Bijella, and Odila Pereira da Silva Rosa. "The influence of mouthrinses with antimicrobial solutions on the inhibition of dental plaque and on the levels of mutans streptococci in children." Pesquisa Odontológica Brasileira 16, no. 2 (2002): 101–6. http://dx.doi.org/10.1590/s1517-74912002000200002.

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The effect of daily mouthrinses on dental plaque accumulation and on salivary mutans streptococci was investigated in 200 children. The utilized solutions were: a placebo solution composed of mentholated deionized water (group I); 0.12% chlorhexidine gluconate associated to 0.05% sodium fluoride (group II); 0.2% chlorhexidine digluconate (group III), and 0.5% stevioside mixed with 0.05% sodium fluoride, with pH 3.4 (group IV). In order to verify the effect on plaque formation, the accumulation of plaque was assessed by means of the Löe12 index, at the beginning and at the end of the experiment
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Weller, Frank, Harald Borgholte, Harald Stenger, Stefan Vogler, and Kurt Dehnicke. "Synthesen und Kristallstrukturen der Kronenether-Komplexe (18-Krone-6) · 2CH3CN, [Na-15-Krone-5][ReO4] · CH3CN und [Na-15-Krone-5]PF6 / Syntheses and Crystal Structures of the Crown Ether Complexes (18-Crown-6) · 2 CH3CN, [Na-15-Crown-5][ReO4] · CH3CN, and [Na-15-Crown-5]PF6." Zeitschrift für Naturforschung B 44, no. 12 (1989): 1524–30. http://dx.doi.org/10.1515/znb-1989-1210.

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Single crystals of (18-crown-6) · 2 CH3CN were obtained by cooling a solution of 18-crown-6 in acetonitrile to 4 °C. Space group P21/n, Z = 2, 629 observed independent reflexions, R = 0.062. Lattice dimensions at 19°C: a = 911.7(1), b = 852.0(1), c = 1370.0(2) pm; β = 104.61(1)°. The compound forms a molecular structure with approximate D3d symmetry of the crown ether molecule, and C—H ··· O interactions of the acetonitrile molecules with the crown ether, the Η···Ο distances being 243, 253, and 267 pm, respectively.[Na-15-crown-5][ReO4] · CH3CN is formed as a by-product of the reaction of ReNC
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