THE PREVALENCE OF CONTAMINATION WITH GRAM POSITIVE COCCI IN THE WATER SUPPLIES OF DENTISTRY UNITS AT SHAHED UNIVERSITY COMPARED TO THE LOCAL WATER SUPPLIES

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ABBASI FARID; OULIA P.

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Journal: DANESHVAR MEDICINE Year:2006 | Volume:14 | Issue:65 Page(s): 39-44

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Title

THE PREVALENCE OF CONTAMINATION WITH GRAM POSITIVE COCCI IN THE WATER SUPPLIES OF DENTISTRY UNITS AT SHAHED UNIVERSITY COMPARED TO THE LOCAL WATER SUPPLIES

Author(s)

ABBASI FARID | OULIA P. | Issue Writer Certificate

Keywords

GRAM POSITIVE COCCIQ3

COLONY FORMING UNITQ3

BIO FILMQ2

Abstract

Introduction: The contamination of dental unit water lines is an important source of serious microbial infection that might be dangerous for immunosuppressive patients such as: old people, patients who suffer from AIDS or those receiving organ transplants.Materials & Methods: This descriptive study was carried out with 15 samples of water from dental units at shahed dentistry school compared to samples obtained from drinking water supplies in the local area. The research was performed at two stages during 2 different periods of time to investigate the contamination with GRAM POSITIVE COCCI. The contamination was detected by collecting samples before beginning of daily work and after flushing water lines for 10 minutes, and then all samples were transferred into microbiology laboratory in sterilized conditions. The samples were carried into transport cultural media colony count and biochemical tests for the identification of micro organisms, after the colonies were cultured. Results: There was no contamination in 15 samples from local area water supplies but there were GRAM POSITIVE COCCI among 15 units in different departments of dental school (surgery, orthodontic and periodontal departments), these samples were contaminated with gram positive bacillus, gram negative bacillus and gram negative cocci. The highest range of contamination was related to gram positive bacillus.Conclusion: The contamination with GRAM POSITIVE COCCI and gram negative bacillus were observed in dental unit water lines at shahed dental school. The maximum range of contamination is present on 4th and 5th floors. The existence of gram negative bacillus and GRAM POSITIVE COCCI is probably due to the contamination of water by feces and contamination with GRAM POSITIVE COCCI can also be related to the back flow of saliva via dental unit suctions or through the head of hand pieces.

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APA: Copy

ABBASI, FARID, & OULIA, P.. (2006). THE PREVALENCE OF CONTAMINATION WITH GRAM POSITIVE COCCI IN THE WATER SUPPLIES OF DENTISTRY UNITS AT SHAHED UNIVERSITY COMPARED TO THE LOCAL WATER SUPPLIES. DANESHVAR MEDICINE, 14(65), 39-44. SID. https://sid.ir/paper/30469/en

Vancouver: Copy

ABBASI FARID, OULIA P.. THE PREVALENCE OF CONTAMINATION WITH GRAM POSITIVE COCCI IN THE WATER SUPPLIES OF DENTISTRY UNITS AT SHAHED UNIVERSITY COMPARED TO THE LOCAL WATER SUPPLIES. DANESHVAR MEDICINE[Internet]. 2006;14(65):39-44. Available from: https://sid.ir/paper/30469/en

IEEE: Copy

FARID ABBASI, and P. OULIA, “THE PREVALENCE OF CONTAMINATION WITH GRAM POSITIVE COCCI IN THE WATER SUPPLIES OF DENTISTRY UNITS AT SHAHED UNIVERSITY COMPARED TO THE LOCAL WATER SUPPLIES,” DANESHVAR MEDICINE, vol. 14, no. 65, pp. 39–44, 2006, [Online]. Available: https://sid.ir/paper/30469/en

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