pumice powder contamination

pumice powder contamination

Microbial Contamination of Pumice Powder and Slurry in ...

pumice powder samples and 100% of pumice solution were contaminated. The identified bacteria in pumice powder were as follows: 70.5% S. epidermidis, 23.6% E. coli, 11.8% Acinetobacter and B. cereus, Enterobacterrand diphthe - roids each 5.9% (Figure 1). The detected bacteria in pumice powder were 68% Gram-positive and 32% Gram-negative.

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Microbial Contamination of Pumice Powder and Slurry

Isolated fungi and bacteria were identified using Gram-stain and deferential diagnostic tests. Results: Results of this study showed 85% contamination rate for pumice powders and 100% for pumice slurries. Frequencies of Grampositive and Gram-negative bacteria isolated from the powders

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(PDF) Microbial contamination of pumice used in

This study showed that polishing pumices in the form of powder or slurry were contaminated with different oral and non-oral bacteria and also fungi. Therefore, the

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Evaluation of Presence and Levels of Contamination in ...

pumice powder cfu gg pumice slurry dental laboratory clinical dental laboratory fungal contamination dental prosthesis potential source bacterial contamination selective fungal harmful cycle contaminated pumice laboratory technician ten sample possible microbial infection total colony-forming unit pumice powder1 bacterial medium auxiliary personnel significant difference wide range microbial contaminant

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[PDF] MICROBIAL CONTAMINATION OF PUMICE

In pumice slurry 100% Pseudomonas and 60% Aspergillus species were identified. The results of this study showed considerable bacterial and fungal contamination particularly in pumice slurry may be due to the use of non-sterile water to mix the pumice powder, Gram-positive bacilli and fungi were present in the samples of pumice powder, rag wheel ...

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Microbial contamination of pumice used in dental ... -

This study showed that polishing pumices in the form of powder or slurry were contaminated with different oral and non-oral bacteria and also fungi. Therefore, the chance of cross-contamination still severely exists, and measures should be conducted to prevent the contamination of predisposed people such as technicians, dentists and patients

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Microbial Contamination in Dental Settings : A Systematic ...

2019-9-26  Pumice powder : Pumice slurry. Microbial contaminations were detected in the pumice powder and pumice slurry in dental laboratories: Gram-positive bacteria, and Gram -negative bacteria were found. Good. Victor Hugo et.al : 2016 . Staphylococcus aureus : Klebsiella pneumoniae . Escherichia coli . Acinetobacter spp. Enterobacter spp. Dental Chair ...

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Figure 1 from MICROBIAL CONTAMINATION OF

Figure 1: Microbial culture of (a) pumice Slurry, (b) pumice Powder, (c) rag wheel buff and (d) polished denture swab. - "MICROBIAL CONTAMINATION OF PUMICE SLURRY , PUMICE POWDERS AND ACRYLIC DENTURES CONSTRUCTED IN DENTAL LABORATORIES OF LAHORE"

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Microbial contamination of pumice used in dental ...

Microbial contamination of pumice used in dental laboratories Farzaneh Firoozeh, Mohammad Zibaei, Abolfazl Zendedel, Hushang Rashidipour, Aziz Kamran; Affiliations Farzaneh Firoozeh Department of Microbiology and Immunology, School of Medicine, Kashan University of Medical Sciences, Kashan, ...

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SAFETY DATA SHEET - Keystone Industries

2015-7-8  Pumice Powder Section 5. Fire-fighting measures Promptly isolate the scene by removing all persons from the vicinity of the incident if there is a fire. No action shall be taken involving any personal risk or without suitable training. Hazardous thermal decomposition products Specific hazards arising from the chemical No specific data.

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Microbial Contamination of Pumice Powder and Slurry

Background: Using contaminated pumice in polishing process of dental prostheses may result in cross-contamination of dentists, laboratory technicians, and patients. Objectives: This study aimed to determine the presence and level of microbial contaminants in pumice powder and slurry used in dental laboratories of Hamadan city. Materials and Methods: Forty specimens, including 20 pumice powders ...

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DENTAL PUMICE AS A SOURCE OF CROSS

2017-9-4  contamination present in pumice powder and slurry used in Dental laboratories and to evaluate the role of pumice in the cross contamination of Dental laboratories. MATERIALS AND METHODS: Survey area The study area were Dental laboratories of Vellore; a district of Tamilnadu state of India included both rural and urban areas. Sample collection

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Dental Pumice As A Source Of Cross Contamination In ...

DENTAL PUMICE AS A SOURCE OF CROSS CONTAMINATION IN LABORATORIES: A MICROBIOLOGICAL STUDY. Dr. K. Srinivasan, Dr. Chitra. Abstract : Aim and objective: This study aimed to determine the presence and level of microbial contaminants in pumice powder and slurry used in Dental laboratories.

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Microbial contamination of pumice used in dental ... -

Microbial contamination of pumice used in dental laboratories . By Hushang Rashidipour, Abolfazl Zendedel, Farzaneh Firoozeh, ... This study was conducted to determine the types of the microorganisms in pumice powder and pumice slurry used in dental laboratory in order to evaluate necessary disinfection control procedure in the dental settings ...

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Evaluation of Presence and Levels of Contamination in ...

2012-5-16  pumice powder and pumice slurry using in Yazd dental laboratories to show the role of pumice for cross contamination in dental laboratories. MATERIALS AND METHODS Sample collection: Ten pumice powders and ten pumice slurry samples were collected from 10 randomly selected dental laboratories in Yazd, using sterile spatula and

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Acinetobacter Contamination of Laboratory Dental

2018-2-21  Micro-organisms of the genus Acinetobacter, implicated as opportunistic pathogens, have been recovered from dentures after laboratory repair. A study was undertaken to determine if Acinetobacter co...

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Disinfection of pumice - ScienceDirect

1996-10-1  Pumice is a potential source of infection for the dental technician and of cross-contamination between different dentures and patients. In this study, the number of microorganisms in two different combinations of pumice and disinfectant was compared with a conventional mixture of pumice and water.

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SAFETY DATA SHEET - Keystone Industries

2015-7-8  Pumice Powder Section 5. Fire-fighting measures Promptly isolate the scene by removing all persons from the vicinity of the incident if there is a fire. No action shall be taken involving any personal risk or without suitable training. Hazardous thermal decomposition products Specific hazards arising from the chemical No specific data.

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SID.ir BACTERIAL CONTAMINATION OF FOUR

The aim of this study was to examine bacterial contamination of four dental materials. Materials and Methods: In this analytic-descriptive study, flour of pumice, zinc oxide powder, prophylaxis paste and wooden wedges of available commercial brands were tested. To assure an examiner-blind study, the samples were coded in the microbiology ...

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Rag wheel - definition of Rag wheel by The Free

Table 1: Bacterial and fungal contamination of pumice, pumice powder, slurry rag wheel and polished dentures collected from different dental laboratories (MSSA). Table 1 show the results of microbial contamination of sample and suggest that both pumice powder and rag wheel specimens were contaminated by 80% of gram positive bacilli and 40% of ...

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DENTAL PUMICE AS A SOURCE OF CROSS

2017-9-4  contamination present in pumice powder and slurry used in Dental laboratories and to evaluate the role of pumice in the cross contamination of Dental laboratories. MATERIALS AND METHODS: Survey area The study area were Dental laboratories of Vellore; a district of Tamilnadu state of India included both rural and urban areas. Sample collection

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Acinetobacter Contamination of Laboratory Dental

2018-2-21  Micro-organisms of the genus Acinetobacter, implicated as opportunistic pathogens, have been recovered from dentures after laboratory repair. A study was undertaken to determine if Acinetobacter co...

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SAFETY DATA SHEET - Keystone Industries

2015-7-8  Pumice Powder Section 5. Fire-fighting measures Promptly isolate the scene by removing all persons from the vicinity of the incident if there is a fire. No action shall be taken involving any personal risk or without suitable training. Hazardous thermal decomposition products Specific hazards arising from the chemical No specific data.

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SID.ir BACTERIAL CONTAMINATION OF FOUR

The aim of this study was to examine bacterial contamination of four dental materials. Materials and Methods: In this analytic-descriptive study, flour of pumice, zinc oxide powder, prophylaxis paste and wooden wedges of available commercial brands were tested. To assure an examiner-blind study, the samples were coded in the microbiology ...

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Potential Use of Alkaline-Activated Indonesian Pumice ...

Equilibrium isotherms and kinetic studies of lead removal from aqueous solution by pumice powder. Technical Journal of Engineering and Applied Science, 5(1), 69–79. Paundanan, M., Riani, E., Anwar, S. (2015). Heavy metals contamination mercury (Hg) and lead (Pb) in water, sediment, and torpedo scad fish (Megalaspis cordyla L) in Palu Bay ...

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Pumice Spectrum

P1447 1332-09-8. Pumice, Powder, Technical, also known as pumicite, is used as an additive for cement. Technical grade products supplied by Spectrum

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Pumice Powder Etsy

2021-4-17  The pumice powder was delivered fast and worked out well for my project-thank you! Purchased item: Pumice Powder. Felicia Jul 1, 2020 4 out of 5 stars. I like it and i will reorder ... Once items leave our lab, we cannot accept refunds due to possible contamination of containers and ingredients. We offer sample sizes by request to make sure you ...

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Surface Cleaning Supplies - Datasheet

2015-11-23  Pumice Powder: Produces a dull, matte finish. Recommended for minimal removal of surface material. 1/2 oz (15 ml) bottle. SPECIAL-PURPOSE MATERIALS MODEL/PART NO. TYPE/DESCRIPTION TEC-1 Tetra-Etch® Compound: Used for etching Teflon® to render the surface bondable. Shelf life 3 months at +32°F (0°C). 2 oz (60 ml) can. CSP-1 Cotton Tip ...

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Contamination financial definition of contamination

The results of this study showed considerable bacterial and fungal contamination particularly in pumice slurry may be due to the use of non-sterile water to mix the pumice powder, Gram-positive bacilli and fungi were present in the samples of pumice powder, rag wheel and polished dentures.

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Pumice Kerr Dental

2021-5-13  An industry standard, Kerr's Lab Pumice is refined from first grade volcanic rock, resulting in the finest light and porous abrasive available. Available in 2.5 and 25 lb packaging, in Coarse, Medium, Medium/Coarse and Fine grits.

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