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Table 3 Main characteristics of the included studies

From: Concern about the risk of aerosol contamination from ultrasonic scaler: a systematic review and meta-analysis

 

Country

Type of clinic

Patient involved

Type of sucton device

Collected distances

Type of incubation

Outcome measure

 

Result

Baseline

While using ultrasonic scaler

Randomized controlled trials

Desarda, 2014

India

Single chair

Periodontal disease

High-volume evacuation

12 e 20 inches (30 e 50 cm)

Aerobics

CFU

Uninformed

LVE

11,08 ± 2,25

 

HVE

12,14 ± 1,93

 

Holloman, 2015

USA

Single chair

Healthy

Isolite with high-volume and low-volume evacuations

6 inches (15,24 cm)

Anaerobic

CFU/mL

0

 

During exposure

After exposure

 

LVE

3,30 ± 0,88

1,65 ± 1,15

 

Combination system

3,61 ± 0,95

2,00 ± 1,17

 

King, 1997

USA

Single chair

Healthy

Modified high-volume evacuation

6 inches (15,24 cm)

Aerobics

CFU

     

0,16 ± 0,23

LVE

45,13 ± 28,95

  
 

HVE

2,63 ± 3,62

  

Suprono, 2021

USA

Multichair

Healthy

High-volume evacuation

<2,0 feet (60 cm); 2–4 feet e > 4 feet (120 cm)

Aerobics

CFU

  

Zone 1

Zone 2

Zone 3

1,84 ± 1,68

HVE

441,61 ± 569,17

4,88 ± 2,96

5,47 ± 3,58

 

Combination system

158,71 ± 331,55

1,94 ± 1,61

3,00 ± 1,77

Timmerman, 2004

Netherlands

Single chair

Periodontal disease

High-volume and low –volume evacuations

40 e 150 cm

Aerobics and anaerobic

CFU

  

40 cm

150 cm

 

0,2 ± 0,4

LVE

4,3 ± 3,5

10,3 ± 9,5

 
 

HVE

2,0 ± 1,4

8,1 ± 11,3