In vitro investigation on Ho:YAG laser-assisted bone ablation underwater.

Abstract:

:Liquid-assisted hard tissue ablation by infrared lasers has extensive clinical application. However, detailed studies are still needed to explore the underlying mechanism. In the present study, the dynamic process of bubble evolution induced by Ho:YAG laser under water without and with bone tissue at different thickness layer were studied, as well as its effects on hard tissue ablation. The results showed that the Ho:YAG laser was capable of ablating hard bone tissue effectively in underwater conditions. The penetration of Ho:YAG laser can be significantly increased up to about 4 mm with the assistance of bubble. The hydrokinetic forces associated with the bubble not only contributed to reducing the thermal injury to peripheral tissue, but also enhanced the ablation efficiency and improve the ablation crater morphology. The data also presented some clues to optimal selection of irradiation parameters and provided additional knowledge of the bubble-assisted hard tissue ablation mechanism.

journal_name

Lasers Med Sci

authors

Zhang X,Chen C,Chen F,Zhan Z,Xie S,Ye Q

doi

10.1007/s10103-016-1931-x

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

891-8

issue

5

eissn

0268-8921

issn

1435-604X

pii

10.1007/s10103-016-1931-x

journal_volume

31

pub_type

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