300 is a must

Best protection against aerosols through intraoral spray mist suction

Risk of disease transmission in dentistry

Dental personnel is constantly exposed to a wide variety of microorganisms. Potentially hazardous pathogenic microorganisms include: e.g. HBV, HCV, HIV, staphylococci, streptococci, mycobacterium tuberculosis, herpes simplex virus etc. People working in dentistry have the highest risk of contracting corona (Peng et al., 2020).



From Spray Mist to Aerosols

  • The use of high-speed instruments and powder jet handpieces generates spray mist
  • Spray mist is a mixture of cooling water, particles, powder, splashes, droplets of different sizes, saliva, blood and microorganisms
  • If the spray mist is not correctly aspirated within the patient's mouth, an aerosol cloud will be formed, which spreads over a radius of several meters

The risk

  • Over 600 different types of bacteria can be detected in the human oral cavity *
  • 1 ml of saliva contains about 100 million bacteria *
  • During a 15-minute treatment without protective measures, 0.014 µl - 0.12 µl saliva is inhaled via the aerosol **
  • High risk of infection for patients due to cross contaminations

*Source: Genome Research (2009), DOI: 10.1101/gr.084616.108
**Source: Bennet et al. British Dental Journal, Vol. 189 No. 12 (2000))


The solution

  •  Intraoral high-performance spray mist suction with 300 l/min for up to 100% aerosol reduction*
  •  An intraorally applied flow rate of 300 l/min is the most important factor
  •  To achieve this, a large suction cannula must be used
  •  Optimal suction technique directly at the treatment area improves the effect

*Measurement results from internal study, September 2020, Dürr Dental

This is what matters:
Suction volume

High suction volume of >300 l/min at suction handpiece

Suction device

Robust suction engines for reliable function in continuous operation

Suction cannula

Working with a large suction cannula with secondary air inlets for maximum suction volume at the cannula

Aerosol reduction

Working with a saliva ejector only or venturi system (volume flow < 200 l/min) is not sufficient to reduce aerosols*

Our recommendation

High Performance Spray Mist Suction systems

The best performance for your daily work.

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Mobile Spray Mist Suction unit

Mobile high-performance Spray Mist Suction with 300 l/min at the cannula.

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Large suction cannulas for a maximum suction volume

With the right cannulas, you can effectively reduce germ-laden aerosols.

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*Measurement results from internal study, September 2020, Dürr Dental