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Safety irradiation parameters of Nd:YAP laser beam for endodontic treatments : an in vitro study

Amaury Namour, Sabine Geerts, Toni Zeinoun, Roeland De Moor UGent and Samir Namour (2016) BIOMED RESEARCH INTERNATIONAL.
abstract
Objective: Nd:YAP laser has several potentialities of clinical applications in endodontics. The aim of our study is to determine the safety range of irradiation parameters during endodontic application of Nd:YAP laser that can be used without damaging and overheating the periodontal tissue. Material and Methods: Twenty-seven caries-free single-rooted extracted human teeth were used. Crowns were sectioned to obtain 11mmroot canal length. Temperature increases at root surfaces were measured by a thermocouple during Nd:YAP laser irradiation of root canals at different energy densities. Canal irradiation was accomplished with a circular and retrograde movement from the apex until the cervical part of the canal during 10 seconds with an axial speed of 1 mm/s. Each irradiation was done in a canal irrigated continuously with 2.25% NaOCl solution. Results: Periodontal temperature increase depends on the value of energy density. Means and standard deviations of temperature increases at root surfaces were below 10 degrees C (safe threshold level) when the average energy densities delivered per second were equal to or below 4981 J/cm(2) and 9554 J/cm(2), respectively, for irradiations using a fiber diameter of 320 mu m and 200 mu m. Conclusions: Within the limitations of this study and under specific irradiation conditions, Nd:YAP laser beam may be considered harmless for periodontal tissues during endodontic applications.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ND-YAP LASER, INJURY, DENTIN, BONE, ER
journal title
BIOMED RESEARCH INTERNATIONAL
Biomed Res. Int.
article number
4741516
pages
5 pages
Web of Science type
Article
Web of Science id
000378246600001
JCR category
BIOTECHNOLOGY & APPLIED MICROBIOLOGY
JCR impact factor
2.476 (2016)
JCR rank
65/158 (2016)
JCR quartile
2 (2016)
ISSN
2314-6133
DOI
10.1155/2016/4741516
language
English
UGent publication?
yes
classification
A1
copyright statement
I have retained and own the full copyright for this publication
id
7239323
handle
http://hdl.handle.net/1854/LU-7239323
date created
2016-05-31 15:04:58
date last changed
2017-07-05 10:42:49
@article{7239323,
  abstract     = {Objective: Nd:YAP laser has several potentialities of clinical applications in endodontics. The aim of our study is to determine the safety range of irradiation parameters during endodontic application of Nd:YAP laser that can be used without damaging and overheating the periodontal tissue.
Material and Methods: Twenty-seven caries-free single-rooted extracted human teeth were used. Crowns were sectioned to obtain 11mmroot canal length. Temperature increases at root surfaces were measured by a thermocouple during Nd:YAP laser irradiation of root canals at different energy densities. Canal irradiation was accomplished with a circular and retrograde movement from the apex until the cervical part of the canal during 10 seconds with an axial speed of 1 mm/s. Each irradiation was done in a canal irrigated continuously with 2.25\% NaOCl solution.
Results: Periodontal temperature increase depends on the value of energy density. Means and standard deviations of temperature increases at root surfaces were below 10 degrees C (safe threshold level) when the average energy densities delivered per second were equal to or below 4981 J/cm(2) and 9554 J/cm(2), respectively, for irradiations using a fiber diameter of 320 mu m and 200 mu m.
Conclusions: Within the limitations of this study and under specific irradiation conditions, Nd:YAP laser beam may be considered harmless for periodontal tissues during endodontic applications.},
  articleno    = {4741516},
  author       = {Namour, Amaury and Geerts, Sabine and Zeinoun, Toni and De Moor, Roeland and Namour, Samir},
  issn         = {2314-6133},
  journal      = {BIOMED RESEARCH INTERNATIONAL},
  keyword      = {ND-YAP LASER,INJURY,DENTIN,BONE,ER},
  language     = {eng},
  pages        = {5},
  title        = {Safety irradiation parameters of Nd:YAP laser beam for endodontic treatments : an in vitro study},
  url          = {http://dx.doi.org/10.1155/2016/4741516},
  year         = {2016},
}

Chicago
Namour, Amaury, Sabine Geerts, Toni Zeinoun, Roeland De Moor, and Samir Namour. 2016. “Safety Irradiation Parameters of Nd:YAP Laser Beam for Endodontic Treatments : an in Vitro Study.” Biomed Research International.
APA
Namour, A., Geerts, S., Zeinoun, T., De Moor, R., & Namour, S. (2016). Safety irradiation parameters of Nd:YAP laser beam for endodontic treatments : an in vitro study. BIOMED RESEARCH INTERNATIONAL.
Vancouver
1.
Namour A, Geerts S, Zeinoun T, De Moor R, Namour S. Safety irradiation parameters of Nd:YAP laser beam for endodontic treatments : an in vitro study. BIOMED RESEARCH INTERNATIONAL. 2016;
MLA
Namour, Amaury, Sabine Geerts, Toni Zeinoun, et al. “Safety Irradiation Parameters of Nd:YAP Laser Beam for Endodontic Treatments : an in Vitro Study.” BIOMED RESEARCH INTERNATIONAL (2016): n. pag. Print.