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

Benjamin Lengenfelder; Karen Schwarzkopf; Nicolai Oetter; Fanuel Mehari; Eric Eschner; Florian Klämpfl; Florian Stelzle; Marco Kesting; Zeev Zalevsky; Michael Schmidt

doi:10.1117/12.2526578

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

Benjamin Lengenfelder, Karen Schwarzkopf, Nicolai Oetter, Fanuel Mehari, Eric Eschner, Florian Klämpfl, Florian Stelzle, Marco Kesting, Zeev Zalevsky, Michael Schmidt

Friedrich-Alexander University Erlangen-Nürnberg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

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.

Original language	English
Title of host publication	Opto-Acoustic Methods and Applications in Biophotonics IV
Editors	Vasilis Ntziachristos, Roger Zemp
Publisher	SPIE
ISBN (Electronic)	9781510628472
DOIs	https://doi.org/10.1117/12.2526578
State	Published - 2019
Event	Opto-Acoustic Methods and Applications in Biophotonics IV 2019 - Munich, Germany Duration: 24 Jun 2019 → 25 Jun 2019

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	11077
ISSN (Print)	1605-7422

Conference

Conference	Opto-Acoustic Methods and Applications in Biophotonics IV 2019
Country/Territory	Germany
City	Munich
Period	24/06/19 → 25/06/19

Bibliographical note

Publisher Copyright:
© 2019 SPIE-OSA.

Funding

The authors gratefully acknowledge funding of the Erlangen Graduate School in Advanced Optical Technologies (SAOT) by the German Research Foundation (DFG) in the framework of the German excellence initiative.

Funders	Funder number
Deutsche Forschungsgemeinschaft
German-Israeli Foundation for Scientific Research and Development
Erlangen Graduate School of Advanced Optical Technologies

Keywords

Er:YAG laser
Laser surgery
Tissue differentiation

Access to Document

10.1117/12.2526578

Cite this

Lengenfelder, B., Schwarzkopf, K., Oetter, N., Mehari, F., Eschner, E., Klämpfl, F., Stelzle, F., Kesting, M., Zalevsky, Z., & Schmidt, M. (2019). Acoustic differentiation of dental soft and hard tissues using remote speckle-analysis during Er:YAG ablation. In V. Ntziachristos, & R. Zemp (Eds.), Opto-Acoustic Methods and Applications in Biophotonics IV Article 110771L (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 11077). SPIE. https://doi.org/10.1117/12.2526578

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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.",

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Lengenfelder, B, Schwarzkopf, K, Oetter, N, Mehari, F, Eschner, E, Klämpfl, F, Stelzle, F, Kesting, M, Zalevsky, Z & Schmidt, M 2019, Acoustic differentiation of dental soft and hard tissues using remote speckle-analysis during Er:YAG ablation. in V Ntziachristos & R Zemp (eds), Opto-Acoustic Methods and Applications in Biophotonics IV., 110771L, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 11077, SPIE, Opto-Acoustic Methods and Applications in Biophotonics IV 2019, Munich, Germany, 24/06/19. https://doi.org/10.1117/12.2526578

Acoustic differentiation of dental soft and hard tissues using remote speckle-analysis during Er:YAG ablation. / Lengenfelder, Benjamin; Schwarzkopf, Karen; Oetter, Nicolai et al.
Opto-Acoustic Methods and Applications in Biophotonics IV. ed. / Vasilis Ntziachristos; Roger Zemp. SPIE, 2019. 110771L (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 11077).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - 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.

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Lengenfelder B, Schwarzkopf K, Oetter N, Mehari F, Eschner E, Klämpfl F et al. Acoustic differentiation of dental soft and hard tissues using remote speckle-analysis during Er:YAG ablation. In Ntziachristos V, Zemp R, editors, Opto-Acoustic Methods and Applications in Biophotonics IV. SPIE. 2019. 110771L. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE). doi: 10.1117/12.2526578

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

Abstract

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Bibliographical note

Funding

Keywords

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