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Powerful spray mist suction

The hidden danger: spray mist

Certain activities, such as preparing teeth, removing fillings, crowns and bridges, or removing plaque, require the use of high-speed instruments. However, these instruments not only make work easier, but also entail risks: effective cooling with water is necessary to prevent damage to the pulp-dentine area. In the process, spraymist is formed, which is not homogeneous, but consists of particles, powder as well as splashes and droplets if different sizes containing cooling water, saliva, blood and microorganisms. This mixture presents a high risk of infection.

Dangers caused by spray mist:

  • Deposition of a contaminated aerosol cloud over a radius of several meters (Source: Drisko et al., 2000, Bennet et al., 2000)
  • Door handles, armrests, lights and other surfaces are contaminated (Source: Graetz et al,. 2014)
  • High risk of infection for patients due to cross contaminations
  • Over 600 different types of bacteria can be detected in the human oral cavity (Source: Genome Research (2009), DOI: 10.1101/gr.084616.108)
  • 1 ml saliva contains about 10 million bacteria (Source: Genome Research (2009), DOI: 10.1101/gr.084616.108)
  • During a 15-minute treatment without protective measures, approx. 0.014–0.12 µl of saliva is inhaled via the aerosol (Source: Bennet et al. British Dental Journal, Vol. 189 No. 12 (2000))

Video: Preventing aerosols by high volume spray mist suction

More information: Hygiene saves lives

The safe solution: intraoral spray mist suction

Without spray mist suction, cooling spray from fast-running and ultrasonic instruments can cause an aerosol cloud to spread throughout the entire treatment room. Thanks to intraoral suction systems with a suction performance of around 300 l/min, the resulting risk of infection is efficiently reduced. It is important that the spray mist is aspirated within the patient's mouth, so that no aerosol can be emitted in the first place. Because what does not leave the mouth does not have to be eliminated afterwards. Thus, using the correct intraoral suction with spray mist cannula makes an important contribution to infection protection for the dentist, the practice team and the patient.

Best protection for the practice team

What counts:

  • High suction volume of around 300 l/min per therapist (Source: Barnes, J. B., Harrel, S. K., Rivera-Hidalgo, F. (1998))
  • Working with a large suction cannula for maximum suction volume at the cannula
  • Use of suction cannulas with secondary air inlet to avoid reflux
  • Robust suction units for reliable, continuous operation
  • Venturi systems or working with a saliva ejector only is not sufficient to reduce aerosols
  • Proper and regular cleaning and disinfection of the suction system with Orotol® plus and MD 555 cleaner
  • Regular inspection of the suction volume by a service technician

More information: Suction

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