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Table 4 Comparing average amount of aerosol and splatter produced at 30 cm and 60 cm around the manikin

From: Precise control of digital dental unit to reduce aerosol and splatter production: new challenges for future epidemics

Setting

30 cm

60 cm

St. Error Difference

p-Value

10,000 rpm & 20% water

6.9

–

3.036

0.018

10,000 rpm & 30% water

7.5

0.1

4.588

0.022

10,000 rpm & 40% water

20.4

0.1

10.370

0.049

20,000 rpm & 20% water

7.4

–

4.153

0.048

20,000 rpm & 30% water

13.4

–

8.394

0.049

20,000 rpm & 40% water

13.7

0.4

11.140

0.048

30,000 rpm & 20% water

16.8

–

6.895

0.013

30,000 rpm & 30% water

13.6

–

7.580

0.039

30,000 rpm & 40% water

41.3

0.1

21.480

0.037

40,000 rpm & 20% water

16.8

–

5.008

0.002

40,000 rpm & 30% water

49.8

0.1

22.760

0.010

40,000 rpm & 40% water

53.2

0.3

18.280

0.005