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| ORIGINAL ARTICLE |
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| Year : 2016 |
Volume
: 20 | Issue : 1 | Page
: 59-65 |
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Role of preprocedural rinse and high volume evacuator in reducing bacterial contamination in bioaerosols
TV Narayana1, Leeky Mohanty2, G Sreenath3, Pavani Vidhyadhari3
1 Head of Oral and Maxillofacial Pathology, Independent Dental Practitioner, Impressions Dental Car, Elegant Desire Building No 1, Coles Road, Frazer Town, Bangalore, India
2 Department of Oral and Maxillofacial Pathology, The Oxford Dental College, Bangalore, India
3 Department of Oral and Maxillofacial Pathology, G Pulla Reddy Dental College, Kurnool, Andhra Pradesh, India
Correspondence Address:
G Sreenath
Department of Oral and Maxillofacial Pathology, G Pulla Reddy Dental College, Kurnool, Andhra Pradesh
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0973-029X.180931
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Context: Microbial contamination, which occurs during dental procedures, has been a potential threat to dental professionals and individuals. There has been a growing concern over the role of bioaerosols in spread of various airborne infections and also to reduce the risk of bioaerosol contamination. Aims: This study was to analyze the number of colony forming units (CFUs) in bioaerosols generated during ultrasonic scaling procedure as well as to evaluate the efficacy of chlorhexidine 0.12% (CHX) preprocedural mouth rinse and high volume evacuator (HVE) in minimizing the bioaerosol contamination.
Methods: About 45 individuals were divided into three Groups A, B and C. These groups underwent ultrasonic scaling before and after the use of CHX (0.12%), HVE and combination of CHX (0.12%) and HVE. Bioaerosols were collected on blood agar plates which were incubated at 37°C for 48 h, and the CFUs were counted with manual colony counting device. A comparison was also done between A versus B, B versus C and A versus C groups. Statistical Analysis Used: Student's t-test. Results: We found a significant reduction in the CFUs when CHX (0.12%) preprocedural rinse (P < 0), or HVE (P < 0.001) or combination of both CHX (0.12%) and HVE were employed (P < 0.001). Maximum reduction in CFUs was observed when CHX (0.12%) and HVE were used in combination as compared to their individual use. A moderate significance was seen between A versus C groups but not with B versus C groups and A versus B groups. Conclusion: From our study, we conclude that individual methods such as CHX (0.12%) and HVE were useful to reduce the dental bioaerosols; however, combination of both CHX (0.12%) and HVE is more efficient to reduce dental bioaerosols than individual method. |
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