Wound healing, analyses for time and irradiation parameters. A. Red visible light wavelengths, soft tissue, 660 nm. B. Near-infrared wavelengths, soft tissue, 808 through 830 nm. C. Near-infrared wavelengths, bone tissue, 808 nm. C: Contact. E: Extraoral. GaAlAs: Gallium aluminum arsenide. I: Intraoral. NC: Noncontact. * –: A value that cannot be derived from other reported values. † Indicates value that was initially misreported and corrected by the authors’ calculations.