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Effect of Er,Cr:YSGG laser on human dentin fluid flow

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Abstract

The aim of the current investigation was to assess the rate and magnitude of dentin fluid flow of dentinal surfaces irradiated with Er,Cr:YSGG laser. Twenty extracted third molars were sectioned, mounted, and irradiated with Er,Cr:YSGG laser at 3.5 and 4.5 W power settings. Specimens were connected to an automated fluid flow measurement apparatus (Flodec). The rate, magnitude, and direction of dentin fluid flow were recorded at baseline and after irradiation. Nonparametric Wilcoxon signed ranks repeated measure t test revealed a statistically significant reduction in fluid flow for all the power settings. The 4.5-W power output reduced the flow significantly more than the 3.5 W. The samples showed a baseline outward flow followed by inward flow due to irradiation then followed by decreased outward flow. It was concluded that Er,Cr:YSGG laser irradiation at 3.5 and 4.5 W significantly reduced dentinal fluid flow rate. The reduction was directly proportional to power output.

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Acknowledgments

The current study was supported by Jordan University of Science and Technology and the University of Melbourne.

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Authors and Affiliations

  1. Department of Prosthodontics, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, 22110, Jordan

    Wael M. Al-Omari

  2. School of Dental Science, Melbourne Dental School, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, 720 Swanston Street, Melbourne, Victoria, 3010, Australia

    Joseph E. Palamara

Authors
  1. Wael M. Al-Omari
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  2. Joseph E. Palamara
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Correspondence to Wael M. Al-Omari.

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Al-Omari, W.M., Palamara, J.E. Effect of Er,Cr:YSGG laser on human dentin fluid flow. Lasers Med Sci 28, 1445–1451 (2013). https://doi.org/10.1007/s10103-012-1218-9

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  • DOI: https://doi.org/10.1007/s10103-012-1218-9

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