Selective removal of dental calculus with a diode-pumped Er:YAG laser

William A. Fried; Kenneth H. Chan; Cynthia L. Darling; Daniel Fried

doi:10.1117/12.2512937

28 February 2019 Selective removal of dental calculus with a diode-pumped Er:YAG laser

William A. Fried, Kenneth H. Chan, Cynthia L. Darling, Daniel Fried

Proceedings Volume 10857, Lasers in Dentistry XXV; 108570M (2019) https://doi.org/10.1117/12.2512937
Event: SPIE BiOS, 2019, San Francisco, California, United States

Abstract

Selective removal of dental calculus with high precision is best accomplished using lasers operating at high pulse repetition rates focused to a small spot size to limit damage to sound tissues. Conventional flashlamp pumped Er:YAG lasers are poorly suited for this purpose, but new diode-pumped solid state (DPSS) Er:YAG lasers have become available operating at high pulse repetition rates. The purpose of this study was to determine if image-guided laser ablation can be used to selectively remove calculus from tooth surfaces with minimal damage to the underlying sound cementum and dentin. A DPSS Er:YAG laser system was used to selectively remove calculus from ten extracted teeth using sequential SWIR images at 1500-1750-nm. The selectivity of removal was assessed using digital microscopy and optical coherence tomography. Calculus was removed with minimal damage to the underlying sound cementum and dentin.

Citation Download Citation

William A. Fried, Kenneth H. Chan, Cynthia L. Darling, and Daniel Fried "Selective removal of dental calculus with a diode-pumped Er:YAG laser", Proc. SPIE 10857, Lasers in Dentistry XXV, 108570M (28 February 2019); https://doi.org/10.1117/12.2512937

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