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Acoustic differentiation of dental soft and hard tissues using remote speckle-analysis during Er:YAG ablation
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Paper Abstract

The Er:YAG laser has gained significant interest in the field of oral surgery due to its high water absorptivity, precision and patient acceptance. However, its application is limited by the lack of a contact-free feedback system which would enable safe laser guidance. In this work, a potential new, robust feedback modality based on speckle-analysis is presented which detects the acoustic signals produced during laser surgery. Oral soft- and hard tissue samples are investigated ex-vivo for its differentiation capability using the speckle modality. This technique might help to broaden the clinical application of Er:YAG lasers.

Paper Details

Date Published: 19 July 2019
PDF: 3 pages
Proc. SPIE 11077, Opto-Acoustic Methods and Applications in Biophotonics IV, 110771L (19 July 2019); doi: 10.1117/12.2526578
Show Author Affiliations
Benjamin Lengenfelder, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Karen Schwarzkopf, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Nicolai Oetter, Erlangen Graduate School in Advanced Optical Technologies (Germany)
Univ. Hospital Erlangen (Germany)
Fanuel Mehari, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Eric Eschner, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Florian Klämpfl, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)
Florian Stelzle, Erlangen Graduate School in Advanced Optical Technologies (Germany)
Univ. Hospital Erlangen (Germany)
Marco Kesting, Erlangen Graduate School in Advanced Optical Technologies (Germany)
Univ. Hospital Erlangen (Germany)
Zeev Zalevsky, Erlangen Graduate School in Advanced Optical Technologies (Germany)
Bar-Ilan Univ. (Israel)
Michael Schmidt, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Erlangen Graduate School in Advanced Optical Technologies (Germany)


Published in SPIE Proceedings Vol. 11077:
Opto-Acoustic Methods and Applications in Biophotonics IV
Vasilis Ntziachristos; Roger Zemp, Editor(s)

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