Push-out Bond Strength of Calcium-silicate Cements Following Er:YAG and Diode Laser Irradiation of Root Dentin

Overview

Journal Lasers Med Sci

Publisher Springer

Date 2019 Jan 5

PMID 30607722

Citations 6

Authors

Fatemeh Mohammadian

Soroush Soufi

Fatemeh Dibaji

Pegah Sarraf

Nasim Chiniforush

Mohammad Javad Kharrazifard

Affiliations

Soon will be listed here.

Abstract

This study aimed to compare the effects of diode and Er:YAG laser irradiation of root dentin on push-out bond strength of mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cements. An in vitro experimental study was conducted on 90 dentin discs, cut out of freshly extracted human teeth. The discs were instrumented to obtain 1.3-mm lumen diameter. Then, they were randomly divided into six groups (n = 15). Groups 1 and 4 subjected to diode laser (Wiser, Doctor Smile, Italy) (980 nm, 1 W, continuous mode) for 10 s and filled with MTA and CEM cements. Groups 2 and 5 subjected to Er:YAG laser (Deka, Italy) (2940 nm, 1 W, 10 Hz, 230 μs) for 10 s and filled with MTA and CEM cements. Groups 3 and 6 (control groups) were filled with MTA and CEM cements without laser irradiation. After 7 days, push-out bond strength test was performed using a universal testing machine in order to evaluate the adhesion of the biomaterials to dentin. The samples were evaluated under a light microscope at × 40 magnification to determine the mode of fracture. Data were analyzed using two-way ANOVA. The highest push-out bond strength (8.76 ± 3.62 MPa) was noted in group 1 (diode/MTA), which was significantly higher than the other groups (P < 0.001). The lowest bond strength (2.61 ± 0.81) was noted in group 6 (control/CEM). Diode laser significantly increased the bond strength of both cements (P < 0.05), but Er:YAG laser irradiation only increased the bond strength of CEM and had no significant effect on MTA (P = 0.603). The bond strength of MTA control group was higher than that of CEM control group (P = 0.001). Push-out bond strength of endodontic cements can be affected by dentin conditioning with diode 980 nm and Er:YAG laser. Nine hundred eighty-nanometer diode laser irradiation is recommended to increase the bond strength of endodontic cements particularly the CEM cement to dentin.

Citing Articles

Comprehensive review of composition, properties, clinical applications, and future perspectives of calcium-enriched mixture (CEM) cement: a systematic analysis.

Asgary S, Aram M, Fazlyab M Biomed Eng Online. 2024; 23(1):96.

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Effect of Incorporating Titanium Dioxide Nanoparticles into White Portland Cement, White Mineral Trioxide Aggregate, and Calcium Enriched Mixture Cement on the Push-out Bond Strength to Furcal Area Dentin.

Shahi S, Samiei M, Bahari M, Yavari H, Rahbar Mahvarian M J Dent (Shiraz). 2023; 24(4):422-428.

PMID: 38149234 PMC: 10749436. DOI: 10.30476/dentjods.2023.92290.1627.

Different Dentin Conditioning Protocols on Bond Strength of a Bioceramic Root Canal Filling.

Ciftcioglu E, Barut G, Isik V, Arican B, Karagoz-Kucukay I Acta Stomatol Croat. 2023; 57(2):155-166.

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Efficacy of Photoinduced Photoacoustic Streaming and Diode Laser Irrigation Techniques on Smear Layer Removal, Sealer Penetration and Push-out Bond Strength.

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Push-out bond strength of two calcium silicate-based cements used for repair of artificial furcal perforation following different power outputs of Nd:YAG laser.

Sheykhrezae M, Sohrabi K, Khosraviani F, Mohammadi S, Chiniforush N, Sarraf P Lasers Med Sci. 2022; 37(9):3503-3508.

PMID: 35922697 DOI: 10.1007/s10103-022-03619-8.

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