Impact of endodontic irrigants on surface roughness of various nickel-titanium rotary endodontic instruments

Hamdy, Tamer M.; Alkabani, Yasmine; Ismail, A. M.; Galal, Manar

doi:10.1186/s12903-023-03227-0

BMC Oral Health

2023

DOI: 10.1186/s12903-023-03227-0

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Impact of endodontic irrigants on surface roughness of various nickel-titanium rotary endodontic instruments

Tamer M. Hamdy

Yasmine Alkabani

A. M. Ismail

et al.

Abstract: Background The aim of the current study is to assess the surface roughness of several recent nickel-titanium (Ni-Ti) rotary endodontic instruments, namely: Protaper next (PTN); Hyflex CM (CM); Hyflex EDM (EDM); WaveOne gold (WOG); and trunatomy (TN), before and after application of 5.25% sodium hypochlorite (NaOCl) irrigant solution. Methods In this in vitro study, five recently introduced rotary endodontic instruments of different metallurgical pr… Show more

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2024

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Cited by 3 publications

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Impact of different disinfection protocols on the bond strength of NeoMTA 2 bioceramic sealer used as a root canal apical plug (in vitro study)

Omar,

Kabel,

Masoud

et al. 2024

BDJ Open

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Introduction Treatment of an immature permanent tooth required a special disinfection protocol due to the presence of thin radicular walls, which are prone to fracture. Mineral Trioxide Aggregate (MTA) has been proposed as a root repair material for root canal treatment. The aim of this in vitro study was to compare the push-out bond strength of conventional White MTA cements and second generation NeoMTA 2 in imitated immature roots treated with different disinfection protocols, which are 5.25% sodium hypochlorite (NaOCl), followed by 17% ethylenediaminetetraacetic acid (EDTA), and NaOCl, followed by 20% etidronic acid (HEBP). Methods The root canals of freshly extracted single-root teeth were manually prepared until 90 K-file to imitate immature roots. Roots were randomly divided into four groups (G) according to the disinfection protocol (n = 15 per group). where G1 (NaOCl + EDTA + White MTA) and G2 (NaOCl + EDTA + NeoMTA 2) While G3 (NaOCl + HEBP + White MTA) and G4 (NaOCl + HEBP + NeoMTA 2) All groups were activated with manual agitation. All specimens were incubated for 48 h. The apical third of each root was perpendicularly sectioned to attain a slice of 3 mm thickness. Push-out bond strength values were assessed using a two-way ANOVA and a Student’s t test. Results G3 and G4 that were treated with HEPB showed higher significant push-out bond strength mean values than G1 and G2 treated with an EDTA chelating agent. Irrespective of the chelating agent used, it was found that both NeoMTA 2 and White MTA had no significant influence on push-out bond strength mean values (p ≤ 0.05). Conclusion The combined use of 5.25% NaOCl and 20% HEBP increased the push-out strength values of both NeoMTA 2 and White MTA, rendering them suitable to be used as an alternative chelating agent to EDTA.

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Impact of different disinfection protocols on the bond strength of NeoMTA 2 bioceramic sealer used as a root canal apical plug (in vitro study)

Omar,

Kabel,

Masoud

et al. 2024

BDJ Open

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Physicochemical properties of AH plus bioceramic sealer, Bio-C Sealer, and ADseal root canal sealer

Hamdy,

Galal,

Ismail

et al. 2024

Head Face Med

Self Cite

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Background The aim of this study was to evaluate the physicochemical properties of two newly introduced premixed calcium silicate-based root canal sealers (AH Plus Bioceramic Sealer and Bio-C Sealer) compared to a resin-based root canal sealer (ADseal root canal sealer). Methods Solubility, pH analysis, calcium ion release, and film thickness of each sealer were evaluated following ISO guidelines. The data were examined using the two-way ANOVA test. Furthermore, X-ray diffraction (XRD) examination was performed to investigate the crystalline phase of each type of sealer. X-ray fluorescence (XRF) analysis was done for the chemical elemental analysis of each sealer. Results The least film thickness, highest alkalinity, and highest calcium ion release were all displayed by AH Plus Bioceramic Sealer. High solubility, high alkalinity, intermediate calcium ion release, and intermediate film thickness were all displayed by Bio-C Sealer. While ADseal root canal sealer displayed the greatest film thickness, least solubility, alkalinity, and calcium ion release. Conclusions Both AH Plus Bioceramic Sealer and Bio-C Sealer represented adequate properties to be considered a good sealer that could be used as a potential alternative to resin-based root canal sealers.

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Comparative Evaluation of Action of RISA and Sodium Hypochlorite on the Surface Roughness of Heat Treated Single Files, Hyflex EDM and One Curve- An Atomic Force Microscopic Study

Santhosh,

G S,

Pillai

et al. 2024

International Journal of Innovative Science and Research Techno

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Aim: The aim of the study is to evaluate the action of RISA and Sodium hypochlorite on the surface roughness of heat treated single files, Hyflex EDM and One Curve using an Atomic Force Microscope.  Materials and Methods: A total of ten new files from each brand (Hyflex EDM and One Curve were taken. Before immersion , all the files were observed under Atomic Force Microscope to determine the surface roughness. Five files from Hyflex EDM were immersed in 5.25% sodium hypochlorite and five files were immersed in RISA solution. Five files from One Curve were immersed in 5.25 % sodium hypochlorite and the other five files were immersed in RISA solution. The dynamic immersion of the files were done by attaching it to an endomotor at constant speed [300 rpm] and torque [2.5 N Cm] into plastic tubes .After immersion, all the files were kept on the staging platform of AFM and 3mm section of the tip was examined for surface roughness.  Results: Within the limitations of this study, Hyflex EDM files immersed in sodium hypochlorite showed highest increase in surface roughness. Among the irrigant solutions used, increase in surface roughness was more for files immersed in Sodium hypochlorite as compared to files immersed in RISA solution.

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Impact of endodontic irrigants on surface roughness of various nickel-titanium rotary endodontic instruments

Cited by 3 publications

References 57 publications

Impact of different disinfection protocols on the bond strength of NeoMTA 2 bioceramic sealer used as a root canal apical plug (in vitro study)

Impact of different disinfection protocols on the bond strength of NeoMTA 2 bioceramic sealer used as a root canal apical plug (in vitro study)

Physicochemical properties of AH plus bioceramic sealer, Bio-C Sealer, and ADseal root canal sealer

Comparative Evaluation of Action of RISA and Sodium Hypochlorite on the Surface Roughness of Heat Treated Single Files, Hyflex EDM and One Curve- An Atomic Force Microscopic Study

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