Promising role of calcium hypochlorite as a disinfectant: an in vitro evaluation regarding its effect on type V dental stone

The current study has been chosen to evaluate the efficacy of calcium hypochlorite as a disinfecting additive for the gypsum products and its effect on compressive and tensile strength of the set material. It is hypothesized that, the addition of calcium hypochlorite to type V dental stone in suffic...

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Veröffentlicht in:The journal of contemporary dental practice 2012-11, Vol.13 (6), p.856-866
Hauptverfasser: Swain, Prasanta Kumar, Nagaral, Sharanbasappa C, Kamalapurker, Pawan Kumar, Damineni, Ravishankar
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container_issue 6
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container_title The journal of contemporary dental practice
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creator Swain, Prasanta Kumar
Nagaral, Sharanbasappa C
Kamalapurker, Pawan Kumar
Damineni, Ravishankar
description The current study has been chosen to evaluate the efficacy of calcium hypochlorite as a disinfecting additive for the gypsum products and its effect on compressive and tensile strength of the set material. It is hypothesized that, the addition of calcium hypochlorite to type V dental stone in sufficient quantity to disinfect the material would have no deleterious effect on compressive or tensile strength. Total of 160 samples made up of type V dental stone were divided broadly into two groups of 80 samples each for the sake of compressive and tensile strength testing in dry and wet conditions: Out of each group, 10 samples without addition of any disinfectant (0% calcium hypochlorite) was compared with other group of 30 samples after adding disinfectant, i.e. each subgroup containing 10 samples each (0.5, 1.0 and 1.5% calcium hypochlorite). Within limitations of this in vitro study it is assumed to prepare type V dental stone that contains a disinfectant, has adequate compressive strength and tensile strength, and can significantly act against a resistant species like Bacillus subtilis. When calcium hypochlorite was added to dental stone, extra mixing water was required to produce a material of nearly same pouring consistency. The samples, which were put to microbiological tests, showed effective action of disinfectant on Bacillus subtilis. No deleterious effect on compressive or tensile strength could be found after putting the selected samples with calcium hypochlorite.
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When calcium hypochlorite was added to dental stone, extra mixing water was required to produce a material of nearly same pouring consistency. The samples, which were put to microbiological tests, showed effective action of disinfectant on Bacillus subtilis. 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When calcium hypochlorite was added to dental stone, extra mixing water was required to produce a material of nearly same pouring consistency. The samples, which were put to microbiological tests, showed effective action of disinfectant on Bacillus subtilis. 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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Bacillus subtilis - drug effects
Bacteriological Techniques
Calcium Compounds - chemistry
Calcium Compounds - pharmacology
Calcium Sulfate - chemistry
Compressive Strength
Dental Disinfectants - chemistry
Dental Disinfectants - pharmacology
Dental Materials - chemistry
Dentistry
Humans
Humidity
Materials Testing
Stress, Mechanical
Surface Properties
Temperature
Tensile Strength
Time Factors
Water - chemistry
title Promising role of calcium hypochlorite as a disinfectant: an in vitro evaluation regarding its effect on type V dental stone
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