Effects of different lasers on organic/inorganic ratio of radicular dentin

The aim of this study was to evaluate the chemical stability of endodontic-treated root dentin after different laser irradiations through Raman spectroscopy. Fifty maxillary canines were selected and prepared with K3 system. Roots were randomly distributed into five groups ( n  = 10) according to th...

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Bibliographic Details
Published in:Lasers in medical science 2016-04, Vol.31 (3), p.415-420
Main Authors: Lopes, F. C., Roperto, R., Akkus, A., Akkus, O., Souza-Gabriel, A. E., Sousa-Neto, M. D.
Format: Article
Language:English
Subjects:
Analysis of variance
Collagens
Cuspid - chemistry
Cuspid - radiation effects
Dentin
Dentin - chemistry
Dentin - radiation effects
Dentistry
Humans
Hydrocarbons - chemistry
Irradiation
Lasers
Lasers, Semiconductor
Lasers, Solid-State
Medicine
Medicine & Public Health
Optical Devices
Optics
Original Article
Phosphates - chemistry
Photonics
Quantum Optics
Raman spectroscopy
Roots
Spectrum analysis
Spectrum Analysis, Raman
Surface treatment
Teeth
Tooth Root - chemistry
Tooth Root - radiation effects
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Summary:The aim of this study was to evaluate the chemical stability of endodontic-treated root dentin after different laser irradiations through Raman spectroscopy. Fifty maxillary canines were selected and prepared with K3 system. Roots were randomly distributed into five groups ( n  = 10) according to the surface treatment: GI (water), GII (NaOCl + EDTA), GIII (NaOCl + EDTA + 980 nm Diode laser), GIV (NaOCl + EDTA+ 1064 nm Nd: YAG laser) and GV (NaOCl + EDTA+ 2780 nm Er,Cr: YSGG laser). Lasers were applied for 20 s. Samples were bisected, and the organic and inorganic content of dentin was analyzed by Raman spectroscopy. Data were submitted to ANOVA and Tukey tests ( p  
ISSN:0268-8921
1435-604X
DOI:10.1007/s10103-015-1862-y