Skip to main content

Table 4 Detail of the lasers and parameters

From: Does low level laser therapy relieve the pain caused by the placement of the orthodontic separators? ----a meta-analysis

Study ID

Laser type

Wave length (nm)

Output power (mW)

Number of irradiated points or area (cm2)

Irradiation time

Frequency

Dose (J/cm2)

Field diameter

Celestino No´brega 2013

aluminum gallium arsenide diode laser

830

40.6

4 points

25 s per each 1 J/cm2,

totally 125 s

after placing the separator

root apex 2 J/cm2,the other three points was 1 J/cm2, totally 5 J/cm2

2 mm

Won Tae Kim 2012

semiconductor laser device with an AlGaInP diode

635

6

4

30 seconds on each area

every 12 h for 1 week

NRa

5.6 mm

Ladan Eslamian 2013

Ga-Al-As laser

810

100

10

20 s

laser was applied immediately and 24 hours later after placing the separators

2

NR

Esper MA 2011

InGaAlP laser

660

30

4

25 s each point

after placing the separator

4 J/cm2 per point, totally 16 J/cm2 per tooth

5 mm

Ida Marini 2013

GaAs diode laser superpulsed wave

910

160

6

totally 340 s

The irradiation started immediately after placing orthodontic separators.

NR

8 mm

Zhang HY 2014

semiconductor laser

650 and

830

30

4

30S each point,totally 120 s per tooth

after placing the separator

NR

3-5 mm

  1. aNR = not report