Effect of Root Canal Irrigants on the Mechanical Properties of Endodontically Treated Teeth: A Scoping Review

Dotto, Lara; Onofre, Rafael Sarkis; Bacchi, Ataís; Pereira, Gabriel Kalil Rocha

doi:10.1016/j.joen.2020.01.017

Cited by 31 publications

(41 citation statements)

References 70 publications

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“…Disadvantages of sodium hypochlorite include foul taste, ability to bleach and damage clothing, inability to remove the inorganic component of the smear layer, tissue toxicity, and it may have a negative effect on dentine elasticity and flexural strength. 18…”

Section: Cleaning Solutionsmentioning

confidence: 99%

Contemporary Cleaning of the Root Canal System

Barnes¹,

Blum

2020

Prim Dent J

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Section: Cleaning Solutionsmentioning

confidence: 99%

Contemporary Cleaning of the Root Canal System

Barnes¹,

Blum

2020

Prim Dent J

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“…This is considered to be another risk factor for the failure of root canal treatment. Therefore, in recent years, endodontic disinfectants that kill E. faecalis whilst not compromising the biomechanical properties of dentin are in great demand [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Quercetin as an Auxiliary Endodontic Irrigant for Root Canal Treatment: Anti-Biofilm and Dentin Collagen-Stabilizing Effects

Liu¹,

Feng²,

Wang³

et al. 2021

Preprint

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(1) Background: Bacterial reinfection and root fracture are the main culprits related to root canal treatment failure. This study aimed to assess the utility of quercetin solution as an adjunctive endodontic irrigant that strengthen root canal dentin with commitment anti-biofilm activity and bio-safety. (2) Methods: Based on a noninvasive dentin infection model, dentin tubules infected with Enterococcus faecalis (E. faecalis) were irrigated with sterile water (control group), and 0, 1, 2, 4 wt% quercetin-containing ethanol solutions. The live and dead bacteria proportions within E. fae-calis biofilms were analyzed using confocal laser scanning microscopy (CLSM). Elastic modulus and hydroxyproline release and X-ray photoelectron spectroscopy (XPS) characterization was tested on irrigant-treated demineralized dentin to evaluate irrigants’ biostability. The cytotoxicity of irrigants was tested by CCK-8 assay. (3) Results: Quercetin increased the proportion of dead bacteria volumes within E. faecalis, and improved the flexural strength of dentin collagen com-pared to control group. The XPS characterization revealed an increase in C-O peak area under both C1s and O1s narrow-scan spectra. The CCK-8 assay confirmed no cytotoxicity of quercetin solutions. (4) Conclusions: Quercetin exhibited anti-biofilm activity, collagen-stabilizing effect as well as cytocompatibility, supporting quercetin as a potential candidate for endodontic irrigant.

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“…For many years, NaOCl (sodium hypochlorite) has been conventionally used as a canal irrigation agent due to its antibacterial properties (7). Although NaOCl is effective in removing the organic constituents of the smear layer, chelating agents such as citric acid, polyacrylic acid, tannic acid, phosphoric acid or ethylenediamine tetra-acetic acid (EDTA) are required for the removal of inorganic material (8). Originally, 17% EDTA was used to demineralize the root canal dentin in narrowed and sclerosed canals (6).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of MTAD solution and Er:YAG laser in smear layer removal from extracted root canals: a sem evaluation.

Kalyoncu

Giray

Durmuş

et al. 2021

Clinical and Experimental Health Sciences

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Objective: The aim of this study was to compare the efficacy of MTAD (a mixture of a tetracycline isomer, an acid, and a detergent), Er:YAG laser, 17% EDTA, and 5.25% NaOCl in removing the smear layer from the surface of instrumented root canals.Methods: Various organic acids, instruments and lasers have been used to remove the smear layer from the surface of instrumented root canals. Twenty-eight extracted maxillary and mandibular permanent incisors were prepared with rotary files. The teeth were randomly allocated to four treatment groups for final irrigation as follows: (1) 17% EDTA (followed by NaOCl), (2) 5.25% NaOCl, (3) Er:YAG laser, and (4) MTAD. All teeth were processed for scanning electron microscopy (SEM) and the removal of the smear layer was examined in the apical, middle and coronal thirds.Results: At coronal location, NaOCl(2.2±0.4) group had significantly higher scores than MTAD(0.0±0.0), EDTA(0.6±0.4) and Er:YAG laser(0.6±0.4) groups (p<0.001, p=0.039, and p=0.039, respectively). At the middle third, NaOCl(2.6±0.5) scores were significantly higher than MTAD(0.0±0.0) and EDTA(0.8±0.4) groups (p<0.001 and p=0.036 respectively). At apical MTAD (0.4±0.3) group had significantly better scores (p<0.001). Conclusion:The results of this suggest that MTAD is an effective final irrigator agent, particularly in the apical segment of the root canal, which presents challenges during cleaning.

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Effect of Root Canal Irrigants on the Mechanical Properties of Endodontically Treated Teeth: A Scoping Review

Cited by 31 publications

References 70 publications

Contemporary Cleaning of the Root Canal System

Contemporary Cleaning of the Root Canal System

Quercetin as an Auxiliary Endodontic Irrigant for Root Canal Treatment: Anti-Biofilm and Dentin Collagen-Stabilizing Effects

Efficacy of MTAD solution and Er:YAG laser in smear layer removal from extracted root canals: a sem evaluation.

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