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Table 1 LED parameters to be used in this study

From: Photodynamic therapy with Bixa orellana extract and LED for the reduction of halitosis: study protocol for a randomized, microbiological and clinical trial

Wavelength (nm)

395–480

Operating mode

Continuous wave

Average radiant power (mW)

480

Polarization

Random

Aperture diameter (cm)

0.9

Irradiance at aperture (mW/cm2)

762

Beam profile

Top hat

Beam spot size at target (cm2)

3.14

Irradiance at target (mW/cm2)

153

Exposure duration (s)

20

Radiant exposure (J/cm2)

6.37

Radiant energy (J)

9.6

Number of points irradiated

6

Area irradiated (cm2)

18.8

Application technique

Contact

Number and frequency of treatment sessions

1

Total radiant energy (J)

57.6