Research Papers: General

Peroxide dental bleaching via laser microchannels and tooth color measurements

[+] Author Affiliations
Gregory Altshuler

IPG Medical Corporation, 377 Simarano Drive, Marlborough, Massachusetts 01752, United States

Andrey Belikov, Alexei Skrypnik, Alexandra Pushkareva, Ksenia Shatilova

Saint Petersburg National Research University of Information Technologies, Mechanics and Optics, Faculty of Laser and Light Engineering, Department of Laser Technologies and Systems, 49 Kronverksky Avenue, Saint-Petersburg 197101, Russia

Felix Feldchtein

Medical Device Consultant, 28 Lebeaux Drive, Shrewsbury, Massachusetts 01545, United States

Igor Cernavin

University of Melbourne, School of Dentistry, Faculty of Medicine, Dentistry and Health Sciences, 42 The Eyrie, Eaglemont, Victoria 3084, Australia

Valery Tuchin

Saratov National Research State University, Research-Education Institute of Optics and Biophotonics, 83 Astrakhanskaya Street, Saratov 410012, Russia

Institute of Precision Mechanics and Control of Russian Academy of Sciences, 24 Rabochaya Street, Saratov 410028, Russia

National Research Tomsk State University, Laboratory of Biophotonics, 36 Lenin’s Avenue, Tomsk 634050, Russia

J. Biomed. Opt. 21(12), 125001 (Dec 07, 2016). doi:10.1117/1.JBO.21.12.125001
History: Received August 29, 2016; Accepted November 10, 2016
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Abstract.  The aim of this study was to use microchannels drilled by an Er:YAG laser into a human tooth through the enamel into the dentin for direct injection of hydrogen peroxide (HP) to produce a minimally invasive, rapid, tooth bleaching effect. The experiments were conducted in vitro. Five microchannels with a diameter of 200  μm and a depth of 2  mm were drilled through the palatal side of a human tooth crown using the microbeam of an Er:YAG-laser with a wavelength of 2.94  μm. After injection of an aqueous solution of 31%-HP through the microchannels, the tooth color was evaluated using a VITA shade guide and International Commission on Illumination L*ab color parameters. A tooth model used for the evaluation of the distribution of HP concentration was created and the amount of HP which can be injected into tooth dentin to bleach it safely was estimated. Injection of 1.5±0.1  mm3 of 31%-HP into the tooth led to noticeable bleaching within 3 h and significant improvement of tooth color within 24 h.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Gregory Altshuler ; Andrey Belikov ; Alexei Skrypnik ; Felix Feldchtein ; Alexandra Pushkareva, et al.
"Peroxide dental bleaching via laser microchannels and tooth color measurements", J. Biomed. Opt. 21(12), 125001 (Dec 07, 2016). ; http://dx.doi.org/10.1117/1.JBO.21.12.125001


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