Assessment of atmospheric microbial contamination in a mobile dental unit.
Identifieur interne : 000400 ( Main/Exploration ); précédent : 000399; suivant : 000401Assessment of atmospheric microbial contamination in a mobile dental unit.
Auteurs : K M Shivakumar [Inde] ; G M Prashant ; G S Madhu Shankari ; V V Subba Reddy ; G N ChanduSource :
- Indian journal of dental research : official publication of Indian Society for Dental Research [ 0970-9290 ]
Descripteurs français
- KwdFr :
- Anaérobiose (MeSH), Aérobiose (MeSH), Aérosols (MeSH), Désinfection (MeSH), Humains (MeSH), Microbiologie de l'air (MeSH), Milieux de culture (MeSH), Numération de colonies microbiennes (MeSH), Polluants atmosphériques d'origine professionnelle (MeSH), Pollution de l'air intérieur (MeSH), Unités sanitaires mobiles (MeSH), Établissements de soins dentaires (MeSH).
- MESH :
English descriptors
- KwdEn :
- MESH :
Abstract
INTRODUCTION
Bioaerosols are important considerations in infection control as well as in occupational health. Bioaerosols may carry potentially hazardous microbes, viruses, fungi, allergens, and other toxic substances that may harm the dental operator, patient, and the dental assistant by causing nosocomial infections.
OBJECTIVE
To assess the level of atmospheric microbial contamination before, during, and after dental treatment procedures in the dental operatory of a mobile dental unit (MDU).
MATERIALS AND METHODS
The study included three treatment sessions on different working days, with an interval of one month. The MDU was fumigated before the start of the study. Brain Heart Infusion Agar with 5% sheep blood was used to collect the gravitometric settling of aerosols produced before, during, and after dental treatment procedures. The agar plates were sent for aerobic and anaerobic culture.
RESULTS
The results showed that atmospheric microbial contamination (CFUs/plate) was 4 times higher during working sessions as compared to the levels before the working sessions. At the end of the working day, aerosols decreased by almost 3 times that seen during work.
CONCLUSION
The aerosols increased during and after work sessions. This shows the increased risk of transmission of infectious agents to the dentists who work in the MDU. Hence, all necessary preventive measures should be advised and need to be followed strictly.
DOI: 10.4103/0970-9290.35828
PubMed: 17938494
Affiliations:
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577 004, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Community Dentistry, College of Dental Sciences, Davangere, Karnataka - 577 004</wicri:regionArea><wicri:noRegion>Karnataka - 577 004</wicri:noRegion></affiliation></author><author><name sortKey="Prashant, G M" sort="Prashant, G M" uniqKey="Prashant G" first="G M" last="Prashant">G M Prashant</name></author><author><name sortKey="Madhu Shankari, G S" sort="Madhu Shankari, G S" uniqKey="Madhu Shankari G" first="G S" last="Madhu Shankari">G S Madhu Shankari</name></author><author><name sortKey="Subba Reddy, V V" sort="Subba Reddy, V V" uniqKey="Subba Reddy V" first="V V" last="Subba Reddy">V V Subba Reddy</name></author><author><name sortKey="Chandu, G N" sort="Chandu, G N" uniqKey="Chandu G" first="G N" last="Chandu">G N Chandu</name></author></analytic><series><title level="j">Indian journal of dental research : official publication of Indian Society for Dental Research</title><idno type="ISSN">0970-9290</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aerobiosis (MeSH)</term><term>Aerosols (MeSH)</term><term>Air Microbiology (MeSH)</term><term>Air Pollutants, Occupational (MeSH)</term><term>Air Pollution, Indoor (MeSH)</term><term>Anaerobiosis (MeSH)</term><term>Colony Count, Microbial (MeSH)</term><term>Culture Media (MeSH)</term><term>Dental Clinics (MeSH)</term><term>Disinfection (MeSH)</term><term>Humans (MeSH)</term><term>Mobile Health Units (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Anaérobiose (MeSH)</term><term>Aérobiose (MeSH)</term><term>Aérosols (MeSH)</term><term>Désinfection (MeSH)</term><term>Humains (MeSH)</term><term>Microbiologie de l'air (MeSH)</term><term>Milieux de culture (MeSH)</term><term>Numération de colonies microbiennes (MeSH)</term><term>Polluants atmosphériques d'origine professionnelle (MeSH)</term><term>Pollution de l'air intérieur (MeSH)</term><term>Unités sanitaires mobiles (MeSH)</term><term>Établissements de soins dentaires (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Aerosols</term><term>Air Pollutants, Occupational</term><term>Culture Media</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aerobiosis</term><term>Air Microbiology</term><term>Air Pollution, Indoor</term><term>Anaerobiosis</term><term>Colony Count, Microbial</term><term>Dental Clinics</term><term>Disinfection</term><term>Humans</term><term>Mobile Health Units</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Anaérobiose</term><term>Aérobiose</term><term>Aérosols</term><term>Désinfection</term><term>Humains</term><term>Microbiologie de l'air</term><term>Milieux de culture</term><term>Numération de colonies microbiennes</term><term>Polluants atmosphériques d'origine professionnelle</term><term>Pollution de l'air intérieur</term><term>Unités sanitaires mobiles</term><term>Établissements de soins dentaires</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>INTRODUCTION</b></p><p>Bioaerosols are important considerations in infection control as well as in occupational health. Bioaerosols may carry potentially hazardous microbes, viruses, fungi, allergens, and other toxic substances that may harm the dental operator, patient, and the dental assistant by causing nosocomial infections.</p></div><div type="abstract" xml:lang="en"><p><b>OBJECTIVE</b></p><p>To assess the level of atmospheric microbial contamination before, during, and after dental treatment procedures in the dental operatory of a mobile dental unit (MDU).</p></div><div type="abstract" xml:lang="en"><p><b>MATERIALS AND METHODS</b></p><p>The study included three treatment sessions on different working days, with an interval of one month. The MDU was fumigated before the start of the study. Brain Heart Infusion Agar with 5% sheep blood was used to collect the gravitometric settling of aerosols produced before, during, and after dental treatment procedures. The agar plates were sent for aerobic and anaerobic culture.</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>The results showed that atmospheric microbial contamination (CFUs/plate) was 4 times higher during working sessions as compared to the levels before the working sessions. At the end of the working day, aerosols decreased by almost 3 times that seen during work.</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSION</b></p><p>The aerosols increased during and after work sessions. This shows the increased risk of transmission of infectious agents to the dentists who work in the MDU. Hence, all necessary preventive measures should be advised and need to be followed strictly.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17938494</PMID><DateCompleted><Year>2008</Year><Month>02</Month><Day>05</Day></DateCompleted><DateRevised><Year>2019</Year><Month>11</Month><Day>10</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0970-9290</ISSN><JournalIssue CitedMedium="Print"><Volume>18</Volume><Issue>4</Issue><PubDate><MedlineDate>2007 Oct-Dec</MedlineDate></PubDate></JournalIssue><Title>Indian journal of dental research : official publication of Indian Society for Dental Research</Title><ISOAbbreviation>Indian J Dent Res</ISOAbbreviation></Journal><ArticleTitle>Assessment of atmospheric microbial contamination in a mobile dental unit.</ArticleTitle><Pagination><MedlinePgn>177-80</MedlinePgn></Pagination><Abstract><AbstractText Label="INTRODUCTION" NlmCategory="BACKGROUND">Bioaerosols are important considerations in infection control as well as in occupational health. Bioaerosols may carry potentially hazardous microbes, viruses, fungi, allergens, and other toxic substances that may harm the dental operator, patient, and the dental assistant by causing nosocomial infections.</AbstractText><AbstractText Label="OBJECTIVE" NlmCategory="OBJECTIVE">To assess the level of atmospheric microbial contamination before, during, and after dental treatment procedures in the dental operatory of a mobile dental unit (MDU).</AbstractText><AbstractText Label="MATERIALS AND METHODS" NlmCategory="METHODS">The study included three treatment sessions on different working days, with an interval of one month. The MDU was fumigated before the start of the study. Brain Heart Infusion Agar with 5% sheep blood was used to collect the gravitometric settling of aerosols produced before, during, and after dental treatment procedures. The agar plates were sent for aerobic and anaerobic culture.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The results showed that atmospheric microbial contamination (CFUs/plate) was 4 times higher during working sessions as compared to the levels before the working sessions. At the end of the working day, aerosols decreased by almost 3 times that seen during work.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">The aerosols increased during and after work sessions. This shows the increased risk of transmission of infectious agents to the dentists who work in the MDU. 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