Identification of Infectious Bacteria in Dental Units

Aim: The aim of this study was to determine the bacterial contamination of surfaces and water of dental units of Qazvin University of Medical Sciences. Methods: This cross-sectional descriptive study was conducted on the surgery and periodontal units at the Faculty of Dentistry, Qazvin University of...

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Main Authors: Maryam Moradnia, Shaghayegh Mousavi, Mohammad Darvishmotevalli, Hossein Karimi, Fatemeh Fotoohi Qazvini
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2024-12-01
Series:International Journal of Environmental Health Engineering
Subjects:
Online Access:https://journals.lww.com/10.4103/ijehe.ijehe_37_20
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author Maryam Moradnia
Shaghayegh Mousavi
Mohammad Darvishmotevalli
Hossein Karimi
Fatemeh Fotoohi Qazvini
author_facet Maryam Moradnia
Shaghayegh Mousavi
Mohammad Darvishmotevalli
Hossein Karimi
Fatemeh Fotoohi Qazvini
author_sort Maryam Moradnia
collection DOAJ
description Aim: The aim of this study was to determine the bacterial contamination of surfaces and water of dental units of Qazvin University of Medical Sciences. Methods: This cross-sectional descriptive study was conducted on the surgery and periodontal units at the Faculty of Dentistry, Qazvin University of Medical Sciences in 2017. Totally, 108 samples were collected from different parts of the dental units. Total Staphylococcus aureus, Pseudomonas aeruginosa, Legionella pneumophila, and Escherichia coli were counted before and after disinfection by deconex. Results: The results of this study showed that before and after disinfection, S. aureus, P. aeruginosa, and Coliforms were the most frequent bacteria in periodontal (100%, 100%, and 100%, respectively) and surgery wards (100%, 100%, and >83%, respectively). There was no significant relationship between pre and postdisinfection in terms of S. aureus and P. aeruginosa for other parts of the surgery and periodontics units (p >0.05). Furthermore, the statistical results indicated that all parts of the surgery and periodontics surfaces were statically significant pre and postdisinfection in term of Coliforms (p < 0.05). Conclusion: It can be concluded that the rate of microbial pollution in water lines and surfaces of the dental units is high. Furthermore, since a significant number of bacteria were identified after disinfection, it indicates the improper use of disinfectants.
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spelling doaj-art-039277cbf674450682a17adc89498be42025-01-09T11:38:18ZengWolters Kluwer Medknow PublicationsInternational Journal of Environmental Health Engineering2277-91832024-12-01131282810.4103/ijehe.ijehe_37_20Identification of Infectious Bacteria in Dental UnitsMaryam MoradniaShaghayegh MousaviMohammad DarvishmotevalliHossein KarimiFatemeh Fotoohi QazviniAim: The aim of this study was to determine the bacterial contamination of surfaces and water of dental units of Qazvin University of Medical Sciences. Methods: This cross-sectional descriptive study was conducted on the surgery and periodontal units at the Faculty of Dentistry, Qazvin University of Medical Sciences in 2017. Totally, 108 samples were collected from different parts of the dental units. Total Staphylococcus aureus, Pseudomonas aeruginosa, Legionella pneumophila, and Escherichia coli were counted before and after disinfection by deconex. Results: The results of this study showed that before and after disinfection, S. aureus, P. aeruginosa, and Coliforms were the most frequent bacteria in periodontal (100%, 100%, and 100%, respectively) and surgery wards (100%, 100%, and >83%, respectively). There was no significant relationship between pre and postdisinfection in terms of S. aureus and P. aeruginosa for other parts of the surgery and periodontics units (p >0.05). Furthermore, the statistical results indicated that all parts of the surgery and periodontics surfaces were statically significant pre and postdisinfection in term of Coliforms (p < 0.05). Conclusion: It can be concluded that the rate of microbial pollution in water lines and surfaces of the dental units is high. Furthermore, since a significant number of bacteria were identified after disinfection, it indicates the improper use of disinfectants.https://journals.lww.com/10.4103/ijehe.ijehe_37_20bacteriacontaminationdentistryescherichia colilegionella pneumophilapseudomonas aeruginosastaphylococcus aureus
spellingShingle Maryam Moradnia
Shaghayegh Mousavi
Mohammad Darvishmotevalli
Hossein Karimi
Fatemeh Fotoohi Qazvini
Identification of Infectious Bacteria in Dental Units
International Journal of Environmental Health Engineering
bacteria
contamination
dentistry
escherichia coli
legionella pneumophila
pseudomonas aeruginosa
staphylococcus aureus
title Identification of Infectious Bacteria in Dental Units
title_full Identification of Infectious Bacteria in Dental Units
title_fullStr Identification of Infectious Bacteria in Dental Units
title_full_unstemmed Identification of Infectious Bacteria in Dental Units
title_short Identification of Infectious Bacteria in Dental Units
title_sort identification of infectious bacteria in dental units
topic bacteria
contamination
dentistry
escherichia coli
legionella pneumophila
pseudomonas aeruginosa
staphylococcus aureus
url https://journals.lww.com/10.4103/ijehe.ijehe_37_20
work_keys_str_mv AT maryammoradnia identificationofinfectiousbacteriaindentalunits
AT shaghayeghmousavi identificationofinfectiousbacteriaindentalunits
AT mohammaddarvishmotevalli identificationofinfectiousbacteriaindentalunits
AT hosseinkarimi identificationofinfectiousbacteriaindentalunits
AT fatemehfotoohiqazvini identificationofinfectiousbacteriaindentalunits