نتایج جستجو برای: hypochlorite solution
تعداد نتایج: 467392 فیلتر نتایج به سال:
The present study evaluated the influence of 2% chlorhexidine and 2.5% sodium hypochlorite on the resin sealer/dentin interface bond strength of AH Plus/gutta-percha and Epiphany/Resilon. Seventy-two extracted bovine incisors were randomly distributed into 6 groups according to irrigant and sealers: G(S+AH)=physiologic saline solution+AH Plus/gutta-percha; G(S+Ep)=physiologic saline solution+Ep...
Although sodium hypochlorite is the most frequently used canal irrigant during endodontic treatment, its complications are not as well recognized as its effectiveness. This report demonstrates that sodium hypochlorite extrusion during endodontic treatment can cause severe complications. A 5-year-old boy experienced immediate pain and swelling, ecchymosis in surrounding tissues, and profuse blee...
Antibacterial and substantivity evaluation of 2.5% sodium hypochlorite, 0.2% cholorhexidine and distilled water as root canal irrigants (In - vitro) Dr. S.M. Hasheminiya* - Dr. S.A. Havaee** - Dr. M. Rajabi*** * - Assistant Professor of Endodontics Dept. - Faculty of Dentistry – Isfahan University of Medical Sciences. **- Assistant Professor of Microbiology Dept. - Faculty of Medicine – Isfahan...
Background and Aim: The efficiency of disinfecting materials and procedures in removal of contamination from dental surfaces and equipments is essential. In authors' previous study, daily use of 2:100 dilution of 5% sodium hypochlorite in water and disposable covers were recommended since HBV contamination was found on semi-critical parts of the operative dentistry department. The aim of this s...
The cytotoxic effects of electrolyzed strong acid water and acidic hypochlorite solution, as well as these solutions after isotonization, against cultivated L cells were compared along with their microbicidal activities. Isotonization was accompanied by a reduction in the cytotoxic effects of these solutions against L cells. Microbicidal activity was also reduced somewhat but was still retained...
Methods: Eighty bovine pulp fragments were prepared, and their weight was determined using a precision balance. Each pulp fragment was immersed for 2 hours in a solution/mixture that was based on the following groups: G1 – saline solution; G2 – 0.5% NaOCl; G3 – 1.0% NaOCl; G4 – 2.5% NaOCl; G5 – 17% EDTA; G6 – 0.5% NaOCl+17% EDTA; G7 – 1.0% NaOCl+ 17% EDTA; and G8 – 2.5% NaOCl+17% EDTA. The fina...
This study determined if any of four endodontic solutions would have a softening effect on resorcinol-formalin paste and if there were any differences in the solvent action between these solutions. Resorcinol, formalin, and zinc oxide were mixed and allowed to set for 30 days. The solutions tested were 0.9% sodium chloride, 5.25% sodium hypochlorite, chloroform, and Endosolv R. Seven samples pe...
Objective: Previous studies have demonstrated that dental stone casts can be disinfected by replacing 10v% of required water with 5.25% sodium hypochlorite solution. This comparative study evaluated physical properties of dental stone models produced by replacing distilled water with sodium hypochlorite. Methods: In this in-vitro experimental study, a total of 45 dental stone models were pr...
i he use ot injections of 2 per cent, solutions of hypochlorite of lime and calcium hypochlorite has been recommended by Calmette for immediate treatment in snake bite. He states that those solutions are effective and possess the advantage of not producing severe local destructive effects. It was suggested that outfits of ampoules containing hypochlorite solution might be useful for those expos...
The solvent effect of 4 concentrations of sodium hypochlorite (0.5, 1.0, 2.5, and 5.0%) on bovine pulp tissue and the level of residual chlorine, pH and surface tension before and after dissolution were studied in vitro. A fragment of bovine pulp was submersed in sodium hypochlorite that circulated in an apparatus with a peristaltic pump and Luer Lok syringe. The higher the concentration of sod...
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