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Research Article
- Mineral content analysis of root canal dentin using laser-induced breakdown spectroscopy
- Selen Küçükkaya Eren, Emel Uzunoğlu, Banu Sezer, Zeliha Yılmaz, İsmail Hakkı Boyacı
- Restor Dent Endod 2018;43(1):e11. Published online February 4, 2018
- DOI: https://doi.org/10.5395/rde.2018.43.e11
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Abstract
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ePub Objectives This study aimed to introduce the use of laser-induced breakdown spectroscopy (LIBS) for evaluation of the mineral content of root canal dentin, and to assess whether a correlation exists between LIBS and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS) methods by comparing the effects of irrigation solutions on the mineral content change of root canal dentin.
Materials and Methods Forty teeth with a single root canal were decoronated and longitudinally sectioned to expose the canals. The root halves were divided into 4 groups (
n = 10) according to the solution applied: group NaOCl, 5.25% sodium hypochlorite (NaOCl) for 1 hour; group EDTA, 17% ethylenediaminetetraacetic acid (EDTA) for 2 minutes; group NaOCl+EDTA, 5.25% NaOCl for 1 hour and 17% EDTA for 2 minutes; a control group. Each root half belonging to the same root was evaluated for mineral content with either LIBS or SEM/EDS methods. The data were analyzed statistically.Results In groups NaOCl and NaOCl+EDTA, the calcium (Ca)/phosphorus (P) ratio decreased while the sodium (Na) level increased compared with the other groups (
p < 0.05). The magnesium (Mg) level changes were not significant among the groups. A significant positive correlation was found between the results of LIBS and SEM/EDS analyses (r = 0.84,p < 0.001).Conclusions Treatment with NaOCl for 1 hour altered the mineral content of dentin, while EDTA application for 2 minutes had no effect on the elemental composition. The LIBS method proved to be reliable while providing data for the elemental composition of root canal dentin.
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Citations
Citations to this article as recorded by
- In vitro evaluation of antimicrobial photodynamic therapy with photosensitizers and calcium hydroxide on bond strength, chemical composition, and sealing of glass-fiber posts to root dentin
Thalya Fernanda Horsth Maltarollo, Paulo Henrique dos Santos, Henrique Augusto Banci, Mariana de Oliveira Bachega, Beatriz Melare de Oliveira, Marco Hungaro Antonio Duarte, Índia Olinta de Azevedo Queiroz, Rodrigo Rodrigues Amaral, Luciano Angelo Tavares
Lasers in Medical Science.2025;[Epub] CrossRef - Effect of Using 5% Apple Vinegar Irrigation Solution Adjunct to Diode Laser on Smear Layer Removal and Calcium/Phosphorus Ion Ratio during Root Canal Treatment
Tarek AA Salam, Haythem SA Kader, Elsayed E Abdallah
CODS - Journal of Dentistry.2024; 15(1): 3. CrossRef - Evaluation of chemical composition of root canal dentin between two age groups using different irrigating solutions: An in vitro sem-eds study
Naresh Kumar K, Abhijith Kallu, Surender L.R, Sravani Nirmala, Narender Reddy
International Dental Journal of Student's Research.2024; 12(1): 18. CrossRef - Minimally invasive management of vital teeth requiring root canal therapy
E. Karatas, M. Hadis, W. M. Palin, M. R. Milward, S. A. Kuehne, J. Camilleri
Scientific Reports.2023;[Epub] CrossRef - The Effects of a Novel Nanohydroxyapatite Gel and Er: YAG Laser Treatment on Dentin Hypersensitivity
Demet Sahin, Ceren Deger, Burcu Oglakci, Metehan Demirkol, Bedri Onur Kucukyildirim, Mehtikar Gursel, Evrim Eliguzeloglu Dalkilic
Materials.2023; 16(19): 6522. CrossRef - Chitosan Homogenizing Coffee Ring Effect for Soil Available Potassium Determination Using Laser-Induced Breakdown Spectroscopy
Xiaolong Li, Rongqin Chen, Zhengkai You, Tiantian Pan, Rui Yang, Jing Huang, Hui Fang, Wenwen Kong, Jiyu Peng, Fei Liu
Chemosensors.2022; 10(9): 374. CrossRef - Quantitative analysis of cadmium in rice roots based on LIBS and chemometrics methods
Wei Wang, Wenwen Kong, Tingting Shen, Zun Man, Wenjing Zhu, Yong He, Fei Liu
Environmental Sciences Europe.2021;[Epub] CrossRef
- In vitro evaluation of antimicrobial photodynamic therapy with photosensitizers and calcium hydroxide on bond strength, chemical composition, and sealing of glass-fiber posts to root dentin
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Original Article
- Dentin bond strength of bonding agents cured with Light Emitting Diode
- Sun-Young Kim, In-Bog Lee, Byeong-Hoon Cho, Ho-Hyun Son, Mi-Ja Kim, Chang-In Seok, Chung-Moon Um
- J Korean Acad Conserv Dent 2004;29(6):504-514. Published online January 14, 2004
- DOI: https://doi.org/10.5395/JKACD.2004.29.6.504
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Abstract
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ABSTRACT This study compared the dentin shear bond strengths of currently used dentin bonding agents that were irradiated with an LED (Elipar FreeLight, 3M-ESPE) and a halogen light (VIP, BISCO). The optical characteristics of two light curing units were evaluated. Extracted human third molars were prepared to expose the occlusal dentin and the bonding procedures were performed under the irradiation with each light curing unit. The dentin bonding agents used in this study were Scotchbond Multipurpose (3M ESPE), Single Bond (3M ESPE), One-Step (Bisco), Clearfil SE bond (Kuraray), and Adper Prompt (3M ESPE). The shear test was performed by employing the design of a chisel-on-iris supported with a Teflon wall. The fractured dentin surface was observed with SEM to determine the failure mode.
The spectral appearance of the LED light curing unit was different from that of the halogen light curing unit in terms of maximum peak and distribution. The LED LCU (maximum peak in 465 ㎚) shows a narrower spectral distribution than the halogen LCU (maximum peak in 487 ㎚). With the exception of the Clearfil SE bond (
P < 0.05), each 4 dentin bonding agents showed no significant difference between the halogen light-cured group and the LED light-cured group in the mean shear bond strength (P > 0.05).The results can be explained by the strong correlation between the absorption spectrum of cam-phoroquinone and the narrow emission spectrum of LED.
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