Tooth bleaching by using a helium-based low-temperature atmospheric pressure plasma jet with saline solution

Yun-Chien Cheng, Chia Hua Wu, Chih Tung Liu, Chia Yung Lin, Hsuan Ping Chiang, Tsung Wen Chen, Chao Yu Chen, Jong-Shinn Wu*

*Corresponding author for this work

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

In this study, tooth bleaching was performed by using a helium-based low temperature atmospheric-pressure plasma jet (He-APPJ) with saline solution to avoid ozone and hydrogen peroxide (H2O2) harm. In this study, tooth samples were treated through three approaches, namely a helium flow with saline, H2O2 gel, and He-APPJ with saline. The bleaching efficacy of the He-APPJ treatment was the highest among the three groups. Furthermore, scanning electron microscopy images showed that enamel treated with He-APPJ was much less damaged than that treated with H2O2 gel. In addition, ozone tests showed that APPJ produced little ozone (<0.35 ppm). In conclusion, He-APPJ with saline solution achieves higher bleaching efficacy and is less harmful than methods that use H2O2 gel.

Original languageEnglish
Article number1600235
JournalPlasma Processes and Polymers
Volume14
Issue number11
DOIs
StatePublished - 1 Nov 2017

Keywords

  • atmospheric-pressure plasma jet (APPJ)
  • helium
  • hydroxyl radical (OH)
  • saline
  • tooth bleaching

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