ArticlePloS one2024
The effect of final irrigation with different solutions on smear layer removal and dentin erosion: A scanning electron microscope study.
Article in PloS one, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Physical and Chemical Properties of All-in-One Root Canal Irrigants: A Laboratory Study.European journal of dentistry · 2026Article
- Effects of Continuous Chelation with Etidronate on Mechanical Properties of the Root Canal Dentin: A Systematic Review with Meta-Analysis.Dentistry journal · 2026Review
- Article
- Cleaning Effectiveness of QMix and EDTA When Activated with Different Techniques: An In Vitro Study.European endodontic journal · 2025Article
- Article
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Authors and funding
2 authors.
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Abstract
aimThis study aimed to compare the effectiveness of initial irrigation with sodium hypochlorite (NaOCl) and final irrigation with QMix, 40% citric acid, and 17% ethylenediaminetetraacetic acid (EDTA) on smear layer removal and dentin erosion. METHODOLOGY: Forty extracted human mandibular premolar teeth were randomly divided into four groups (n = 10) according to the type of final irrigants used: 17% EDTA, QMix, citric acid, and control (normal saline). Canals were mechanically prepared using ProTaper Next instruments to an apical size of X3. Subsequently, the roots were sectioned in a buccolingual direction. Scanning electron microscopy (SEM) was used to assess the presence of the smear layer and the amount of dentin erosion in the coronal, middle, and apical thirds of the root canals.
resultsIn regards to smear layer removal, there was a significant difference between the control group and the other tested groups. Moreover, it was significantly higher in the coronal and middle thirds than in the apical third. However, there were no significant differences between the groups of EDTA, QMix, and citric acid. Concerning dentin erosion, citric acid produced significantly more dentin erosion than the other tested groups.
conclusionFinal irrigation with solutions had a higher ability to remove the smear layer in the coronal and middle thirds compared to the apical third. Of all the solutions tested, 40% citric acid had the most pronounced impact on dentin erosion, followed by 17% EDTA and QMix.
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