دورية أكاديمية
أعرض في EDS

Nanohardness reduction and root dentine erosion after final irrigation with ethylenediaminetetraacetic, etidronic and peracetic acids.

التفاصيل البيبلوغرافية
العنوان: Nanohardness reduction and root dentine erosion after final irrigation with ethylenediaminetetraacetic, etidronic and peracetic acids.
المؤلفون: Ulusoy Öİ; Department of Endodontics, Faculty of Dentistry, Gazi University, Ankara, Turkey., Mantı AŞ; Department of Endodontics, Faculty of Dentistry, Gazi University, Ankara, Turkey., Çelik B; Department of Statistics, Faculty of Science, Gazi University, Ankara, Turkey.
المصدر: International endodontic journal [Int Endod J] 2020 Nov; Vol. 53 (11), pp. 1549-1558. Date of Electronic Publication: 2020 Sep 08.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Blackwell Scientific Publications Country of Publication: England NLM ID: 8004996 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1365-2591 (Electronic) Linking ISSN: 01432885 NLM ISO Abbreviation: Int Endod J
أسماء مطبوعة: Original Publication: Oxford, Blackwell Scientific Publications.
مواضيع طبية MeSH: Peracetic Acid* , Smear Layer*, Dental Pulp Cavity ; Dentin ; Edetic Acid ; Humans ; Root Canal Irrigants ; Root Canal Preparation ; Sodium Hypochlorite
مستخلص: Aim: To evaluate the nanohardness reduction and erosion in root canal dentine after application of 17% ethylenediaminetetraacetic acid (EDTA), 9% etidronic acid (HEBP) and 2% peracetic acid (PAA) either alone or combined with sodium hypochlorite (NaOCl).
Methodology: One hundred and sixty single-rooted teeth were decoronated and their root canals were chemomechanically prepared. For the nanohardness evaluation, 80 roots with instrumented canals were split longitudinally into two halves. Dentine blocks with a length of 7 mm were obtained from the middle third of one half of each tooth and were embedded in epoxy resin blocks exposing the root canal walls. Initial nanohardness values of root canal dentine were measured for each specimen using a nanoindenter with a Berkovich tip. The specimens were divided into seven experimental (n = 10) and one control (n = 10) group according to the final irrigation regimens: Group 1: 2.5% NaOCl, Group 2: 17% EDTA, Group 3: 2.5% NaOCl-17% EDTA, Group 4: 2% PAA, Group 5: 2.5% NaOCl-2% PAA, Group 6: 9% HEBP, Group 7: 2.5% NaOCl + 9% HEBP and Group 8: Distilled water (control). The measurement of the nanohardness values was repeated for each specimen after being exposed to the irrigants. The nanaohardness reduction of each sample was calculated and recorded. The other 80 instrumented root canals were used for scanning electron microscope (SEM) evaluation. First, they were irrigated with the same protocols stated above and longitudinally split into two halves. One half of each root canal was viewed using SEM for the amount of erosion. The erosion scores were recorded. Data were analysed statistically using Kruskal-Wallis and Bonferroni-adjusted Mann-Whitney U-tests with a significance level of 0.05.
Results: Use of etidronic acid and NaOCl + HEBP reduced the nanohardness values significantly more than the other experimental solutions (P < 0.05). There was no significant difference between the values for the nanohardness reduction in the samples irrigated with a single chelator and chelator combined with NaOCl (P > 0.05). Peritubular and intertubular erosion were observed in the samples irrigated with HEBP and NaOCl + HEBP.
Conclusion: Final irrigation of root canals using etidronic acid alone or combined with NaOCl was associated with structural alterations in root canal dentine of extracted teeth.
(© 2020 International Endodontic Journal. Published by John Wiley & Sons Ltd.)
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معلومات مُعتمدة: Gazi University Scientific Research Project numbered 03/2018-15. Gazi University
فهرسة مساهمة: Keywords: etidronic acid; nanohardness; peracetic acid
المشرفين على المادة: 0 (Root Canal Irrigants)
9G34HU7RV0 (Edetic Acid)
DY38VHM5OD (Sodium Hypochlorite)
I6KPI2E1HD (Peracetic Acid)
تواريخ الأحداث: Date Created: 20210115 Date Completed: 20210118 Latest Revision: 20210118
رمز التحديث: 20231215
DOI: 10.1111/iej.13372
PMID: 33448412
قاعدة البيانات: MEDLINE
الوصف
تدمد:1365-2591
DOI:10.1111/iej.13372