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Year : 2015  |  Volume : 6  |  Issue : 1  |  Page : 53-56

Low-level laser therapy: A biostimulation therapy in periodontics

Department of Periodontics, Thaimoogambigai Dental College, Chennai, Tamil Nadu, India

Correspondence Address:
Snophia Suresh
Department of Periodontics Thaimoogambigai Dental College, Golden George Nager, Chennai, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-433X.149595

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Low-level laser therapy (LLLT) is a light source treatment that generates light of a single wavelength. The low-level lasers do not cause temperature elevation within the tissue, but rather produce their effects from photobiostimulation effect within the tissues. Low-level lasers do not cut or ablate the tissue. The therapy performed with low-level lasers ia called as LLLT. LLLT devices include the gallium arsenide, gallium aluminum arsenide infrared semiconductor (gallium-aluminum-arsenide), and helium-neon lasers. The output powers range from 50 to 500 mW with wavelengths in the red and near infrared of the electromagnetic spectrum, from 630 to 980 nm with pulsed or continuous-wave emission. The application of LLLT has become popular in a variety of clinical applications in periodontics including promotion of wound healing and reduction of pain following nonsurgical and surgical procedures.

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