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Laser Dentistry, The Next Generation of Dental Surgery

Laser is an acronym for Light Amplification by Stimulated Emission of Radiation. The first known application in dentistry is reported in 1960, by Miaman. In the past few years, the laser has had both hard, and soft tissue applications.
The soft tissue application includes:

Hard Tissue Application

Argon laser radiation is effective in restorative removal. It alters the surface chemistry of both the enamel, and the root surface dentine. This prevents recurrent caries. The argon laser produces high intensity visible blue light (488 nm or nanometres). Laser etching has been used in place of acid etching of enamel, and dentine.


Other than dental surgery, laser is used for diagnosis as well. Laser fluorescence detection of dental caries can be done by Argon 488 nm, and Diode 655 nm. Diode 655 nm helps to detect subgingival calculus. Laser Doppler flowmetry assesses pulpal blood flow with the help of Diode 633 nm and 655 nm. CO2 10600 nm is used to detect fissure caries lesions by optic changes.

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