Dental unit waterlines disinfection using hypochlorous acid-based disinfectant

Shajahan, Irfana Fathima; Kandaswamy, Deivanayagam; Srikanth, Padma; Narayana, L Lakshmi; Selvarajan, R.

doi:10.4103/0972-0707.186441

Cited by 18 publications

(19 citation statements)

References 17 publications

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“…This follow-up study highlights the importance of using biocides (Alpron and ICX) to clean DUWLs. In literature, the use of various biocides (Hypochlorous acid, Alpron, Sterilox, Bio 2000, Dentosept, Oxygenal and sodium hypochlorite) have been suggested to disinfect DUWLs [35][36][37][38]. However, to meet the CDC/EPA recommended standards (≤500 CFU/mL), dentists should follow the specified protocols for using biocides as suggested by manufacturers of biocides/dental unit.…”

Section: Discussionmentioning

confidence: 99%

Detection of Bacterial Contamination in Dental Unit Water Lines and Testing the Effectiveness of Disinfectants against these Contaminants

Lal

Kumar

Sapna

et al. 2021

JPRI

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Aim: Contaminated dental unit water lines (DUWLs) are a possible source for spreading microorganisms in dental practices. The aim of this study was to detect the bacterial contamination of dental unit water and investigate the effectiveness of the disinfectants. Methodology: Bacterial contamination was detected by a) using bacterial culture of heterotrophic bacteria, total coliforms and Pseudomonas aeruginosa and b) Scanning electron microscopy (SEM) of DUWLs tube. Subsequently, dentists were suggested to treat the DUWLs with disinfectants to eradicate bacterial contaminants and its effectiveness was tested after three months. Results: Bacterial contamination of the water samples ranged from not detected to 2.38×106 CFU/mL. Out of 34 DUWLs water samples tested, 30 (88.24%) samples exceeded the Centers for Disease Control and Prevention (CDC) and Environmental Protection Agency (EPA) recommended threshold of ≤500 CFU /mL, whereas only 4 (11.76%) samples met the standards. Contamination by total coliforms and P. aeruginosa was detected in 52.94% and 64.7% of samples respectively. SEM displayed a dense biofilm on DUWLs tubing confirming the bacterial contamination. The intervention for disinfection of DUWLs resulted more than 50% samples with acceptable bacterial count in test performed after three months. Conclusion: The high rate of bacterial contamination of dental unit water highlights the need to disinfect and monitor the quality of DUWLs periodically.

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Section: Discussionmentioning

confidence: 99%

Detection of Bacterial Contamination in Dental Unit Water Lines and Testing the Effectiveness of Disinfectants against these Contaminants

Lal

Kumar

Sapna

et al. 2021

JPRI

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“…Based on the result obtained from SEM, it was concluded that usage of disinfectant was found to be effective in the removal of biofilm. Various other disinfectant solutions that are used include hydrogen peroxide, chlorhexidine gluconate, Listerine mouthwash, povidone-iodine and electrochemically activated water [29].…”

Section: Dental Unit Waterline (Duwl) Sterilizationmentioning

confidence: 99%

Untitled

2021

IJCMCR

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Patient safety and health worker safety from infectious diseases as well as occupational hazards is of utmost importance in every field of medicine. Bioaerosols and splatters generated by air syringes, ultrasonic scalers and high-speed turbine handpieces during dental treatment pose a potential hazard of infection not only to the patients but, to the dentists, dental hygienists, dental assistants as well as other healthcare workers. Severe infectious diseases such as Severe Acute Respiratory Syndrome (SARS), influenza, measles, tuberculosis, hepatitis, HIV AIDS can be transmitted through aerosols. With the emergence of β-coronavirus (COVID-19), questions concerning the protection from such viral transmission in dental hospital setting have arisen due to close contact and its transmission through the exposure of saliva, blood and other body fluids. Guidelines from regulatory organizations such as CDC regarding infection control in healthcare settings and infection prevention practices should be strictly followed. A systematic electronic search with relevant key terms viz. Aerosol Management, Dental Aerosols, Dentistry and COVID-19, Dental Unit Waterlines, Preprocedural Mouth rinsing, High Volume Suction Evacuators (HVE) and CDC Guidelines was executed in PubMed and Medline databases for literature extraction and data has been interpreted by including articles based on predefined inclusion criteria .In this review article, we address the importance of understanding and implementation of dental safety by following various systems for management of dental aerosols.

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“…handpieces and triple syringe) after every patient use, and flushing them at the start of the day to reduce overnight or weekend biofilm accumulation. 18…”

Section: Patient Precautions Before Starting Dental Treatment On the Chairmentioning

confidence: 99%

Orthodontics - during and after COVID-19 pandemic

Kalia¹,

Kale²,

Kashmiri³

et al. 2021

IJOHD

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The rapid outbreak of coronavirus syndrome 2 (SARS-CoV-2) has engulfed the entire international community and triggered serious public health issues. Orthodontists may encounter patients with suspected or confirmed SARS-CoV-2 infection and may need to work vigilantly to avoid the spread of infection, consecutively provide care and emergency treatment. The objective of this review is to provide a brief overview of the effects of SARS-CoV-2 and COVID-19 on orthodontic treatment, and to address risk management and the facilitation of orthodontic emergency care and post-pandemic orthodontic practice, using data and literature currently available.

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Dental unit waterlines disinfection using hypochlorous acid-based disinfectant

Cited by 18 publications

References 17 publications

Detection of Bacterial Contamination in Dental Unit Water Lines and Testing the Effectiveness of Disinfectants against these Contaminants

Detection of Bacterial Contamination in Dental Unit Water Lines and Testing the Effectiveness of Disinfectants against these Contaminants

Untitled

Orthodontics - during and after COVID-19 pandemic

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