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During normal day to day procedures dentists, dental hygienists, assistants and patients find themselves exposed to high levels of chemicals and airborne contaminants such as mercury amalgam, aerosols, bacteria and toxic compounds. Typically there are two distinct air quality issues arising in dental environments:
1) exposure to chemical pollutants, such as mercury vapours during placement and removal of amalgam fillings
2) exposure to infectious microorganisms which are generated and aerosolised during routine dental procedures
The IQAir Dental System consistes of two components: the IQAir Dental Hg air purifier plus the FlexVac mobile source capture kit for the removal of dental amalgam vapours and infectious aerosols at the actual site of oral dental procedures.
The IQAir Dental series air purifiers have been developed to enable dentists to specifically deal with the gases, odours, bacterias’ and viruses they come into contact daily. Exposure to even small levels of harmful and toxic chemicals can have serious and potentially result in long-term health complications.
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Medical Medical grade air filtration is often misleadingly quoted at being at the standard HEPA 0.3 microns, when in fact the HEPA standard is today barely sufficient as an air filtration standard. The fact is that the majority of harmful airborne pollutants such as bacteria and virus are 0.1 microns and even smaller, meaning a so called "medical-grade HEPA filter" can never capture these dangerous pollutants. True medical grade air purifier solutions capture the ultrafine particles in the air down to 0.003 microns. That is up to 100x more filtration than a standard 0.3 microns HEPA system. IQAir’s medical grade units are proven and tested to remove particles as small as .003 microns. They are thus used in a wide range of medical facilities to control airborne microbe and other particle contaminants. Amongst these is the Monash Hospital Melbourne who chose only IQAir systems in their lung wards to control cross infection. Please contact us to discuss your medical air filtration needs and we will provide no obligation solutions.
Exposure to Aerosolised Coronavirus in Dental Practices
IQAir is acutely aware that dentist are one particular profession that is greatly affected by the Covid-19 pandemic, because dental staff are exposed to an elevated risk of infection due to the potential of the novel coronavirus SARS-CoV-2 becoming aerosolised during normal dental procedures.
That the dental profession is exposed to an increased risk is supported by a research study published on March 17, 2020 in The New England Journal of Medicine N Engl J Med. 2020 Mar 17. doi: 10.1056/NEJMc2004973 (link). The research indicates that the novel coronavirus can remain viable in aerosolised form for up to 3 hours. The scientists also found that virus remained viable on surfaces for up to 72 hours. The results indicate that aerosol and fomite transmission of the coronavirus is plausible, since it can remain viable and infectious in aerosols for hours and on surfaces up to days.
As various dental procedures can generate substantial amounts of aerosols that may contain infectious microorganisms, it is advisable to capture these aerosols as close to the source as possible to curb the proliferation and effectively reduce the microbial load in the ambient air.
IQAir Complete Dental Systems
With the IQAir Dental Series of high-efficiency air cleaning systems, IQAir has offered solutions for the effective source capture of microorganisms and chemical substances for over 20 years. The IQAir Dental Series features two distinct models for the filtration of chemical pollutants and microbiological aerosols found in dental environments – Dental Hg/FlexVac combination (see attached brochures).
Mercury (Hg) and Disinfectants
Regular exposure to mercury vapour from dental amalgam removal and placement and possible toxic effects from prolonged exposure to chemicals like Phenols and Aldehydes (formaldehyde and glutaraldehyde) from disinfectant use are serious consideration for any dental surgery.
Airborne Microorganism contaminants
Bacteria and viruses are easily spread through a dental practice, from standard procedures such as drilling and scaling. As ultra fine aerosols are generated from normal dental procedures, the resulting moisture droplets containing blood, saliva and filling particles that can be captured by the IQAir unit, stay airborne for many hours, presenting a high risk of infectious disease transmission.
To arm the dental industry IQAir developed specially impregnated media to combat the airborne issues they constantly face:
1. IQAir Dental HG – Is specifically designed to deal with mercury vapour generated from drilling and placement of dental amalgams.
This unit has four cartridges of Hg media specifically to control mercury vapour and also remove microscopic particle matter such as aerosols and other redidue.
2. IQAir FlexVac
To capture mercury vapours directly at the operating site the air purifier unit is coupled with a flexible hosed vacuum system. The suction hose is placed on the patients chest for maximum effect, with a suction force of 20km/h ensuring total capture without leakage. The FlexiVac turns the Dental Pro into a direct extraction unit.
The FlexVac is usually installed as a moveable floor kit - mobile FlexVac . (A wall mounted version is also available VM FlexVac but offers less flexibility. )
wall mounted unit
Mobile Unit
Proven Effectiveness
The effectiveness of IQAir Dental systems has been verified in a study published in the British Dental Journal (link). The study concluded that the IQAir Dental air cleaning system with FlexVac can significantly reduce the bioaerosol load during dental procedures.
The International Academy of Oral Medicine and Toxicology (IAOMT) also recommends the IQAir Dental Hg with FlexVac as “an important adjunct for those professionals concerned with optimal protection for the patient, doctor and staff while removing mercury amalgam fillings”. Here is a link to the relevant approval document of the IAOMT.
Individually Tested and Certified
All IQAir Dental models are individually tested at the factory to ensure that each system actually achieves a minimum filtration efficiency of 99% for airborne particulates ≥ 0.3 µm.
• Helps to protect dentists, dental staff and patients from airborne infections
• Filters toxic mercury vapour
• Removes unpleasant odours
• Helps to implement infection control measures by controlling airborne bacteria, viruses and drill aerosols
• Reduces exposure to disinfectant compounds
• Controls airborne allergens
