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Table 5 Bactericidal effect of HOCl solution passed through the DUWL

From: Hypochlorous acid inactivates oral pathogens and a SARS-CoV-2-surrogate

Bacteria

HOCl

Saliva

Mixing volume ratio (HOCl: bacterial suspension)

0.25: 1

0.5: 1

1: 1

2: 1

4: 1

8: 1

16: 1

F. nucleatum

DUWL-HOCl

Absent

 + 

 + 

 + 

 + 

 + 

−

−

P. intermedia

DUWL-HOCl

Absent

 + 

 + 

 + 

 + 

−

−

−

P. micra

DUWL-HOCl

Absent

 + 

 + 

 + 

 + 

−

−

−

S. intermedius

DUWL-HOCl

Absent

 + 

 + 

 + 

 + 

−

−

−

F. nucleatum

DUWL-HOCl

Present

 + 

 + 

 + 

 + 

 + 

−

−

P. intermedia

DUWL-HOCl

Present

 + 

 + 

 + 

 + 

 + 

−

−

P. micra

DUWL-HOCl

Present

 + 

 + 

 + 

 + 

 + 

−

−

S. intermedius

DUWL-HOCl

Present

 + 

 + 

 + 

 + 

 + 

−

−

  1. DUWL-HOCl: HOCl passed through dental unit water line
  2.  + : Growth was positive. −: No growth was observed