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Agarwal S, Mishra L, Singh NR, Behera R, Kumar M, Nagaraja R, Sokolowski K, Lapinska B. Effect of Different Irrigating Solutions on Root Canal Dentin Microhardness-A Systematic Review with Meta-Analysis. J Funct Biomater 2024; 15:132. [PMID: 38786643 PMCID: PMC11121888 DOI: 10.3390/jfb15050132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 05/07/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024] Open
Abstract
The aim of this study was to evaluate the effect of different irrigating solutions as well as their combination and activation modes on root canal dentin microhardness. The protocol was registered in PROSPERO and PRISMA guidelines were followed. The structured question was as follows: "Which type of irrigating solution used in endodontic treatment causes more change in dentin microhardness?" The literature was screened via PubMed, Google Scholar, Scopus, and Science Direct. The last search was carried out in February 2023 with English language restriction. Two reviewers independently performed screening and evaluation of articles. A total of 470 articles were retrieved from all the databases, whereas only 114 articles were selected for full-text analysis. After applying eligibility criteria, 44 studies were evaluated and included in this review. The results showed that with increased contact time with irrigants, dentin microhardness decreases. Increased contact time with sodium hypochlorite (NaOCl) was associated with more reduction in dentin microhardness compared with other irrigants. Other irrigants, with the exception of distilled water, including EDTA, citric acid, herbal irrigants, glycolic acid, phytic acid, etc., in this study significantly decreased dentin microhardness. The maximum reduction in dentin microhardness was seen with 2.5% NaOCl after 15 min of contact time. The use of irrigating solutions alters the chemical composition of dentin, thereby decreasing its microhardness, which affects the clinical performance of endodontically treated teeth.
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Affiliation(s)
- Sunidhi Agarwal
- Department of Conservative Dentistry & Endodontics, Institute of Dental Sciences, Siksha ‘O’ Anusandhan University, Bhubaneswar 751003, India; (S.A.); (N.R.S.); (R.B.)
| | - Lora Mishra
- Department of Conservative Dentistry & Endodontics, Institute of Dental Sciences, Siksha ‘O’ Anusandhan University, Bhubaneswar 751003, India; (S.A.); (N.R.S.); (R.B.)
| | - Naomi Ranjan Singh
- Department of Conservative Dentistry & Endodontics, Institute of Dental Sciences, Siksha ‘O’ Anusandhan University, Bhubaneswar 751003, India; (S.A.); (N.R.S.); (R.B.)
| | - Rini Behera
- Department of Conservative Dentistry & Endodontics, Institute of Dental Sciences, Siksha ‘O’ Anusandhan University, Bhubaneswar 751003, India; (S.A.); (N.R.S.); (R.B.)
| | - Manoj Kumar
- Department of Periodontics and Oral Implantology, Institute of Dental Sciences and SUM Hospital, Siksha ‘O’ Anusandhan University, Bhubaneswar 751003, India;
| | - Ravishankar Nagaraja
- Department of Biostatistics, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi 110021, India;
| | - Krzysztof Sokolowski
- Department of Conservative Dentistry, Medical University of Lodz, 251 Pomorska St., 92-213 Lodz, Poland;
| | - Barbara Lapinska
- Department of General Dentistry, Medical University of Lodz, 251 Pomorska St., 92-213 Lodz, Poland
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The Novel Role of Solvents in Non-Surgical Endodontic Retreatment. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12115492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Non-surgical endodontic retreatment is a reliable conservative option for managing post-treatment apical periodontitis. However, effective microbial control, based on the maximization of filling removal and disinfection protocols, is not yet predictable. Traditional gutta-percha solvents, which are indistinctively used for both the core and sealer filling materials, became obsolete due to unprecedented advances in endodontic technology. Nonetheless, microtomography, scanning electronic microscopy findings, and histobacteriological analysis tend to confirm the persistence of filling materials and the lack of association between root canal enlargement and superior disinfection. There is a controversy regarding the most suitable clinical protocols surrounding the shaping procedures and the supplementary disinfection steps. Based on the literature and the previous work of the team, the authors aimed to summarize the current knowledge regarding specific solvent formulations that target filling materials. Additionally, the advantage of an additional irrigation step to optimize disinfection was highlighted. This adjunctive procedure serves a dual role in the dissolution of filling materials, and in conferring an antibiofilm effect. Further research is needed to understand the novel contribution of these strategies upon clinical practice outcomes.
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Ferreira I, Braga AC, Lopes MA, Pina-Vaz I. Adjunctive procedure with solvent mixtures in non-surgical endodontic retreatment: does it affect root dentin hardness? Odontology 2021; 109:812-818. [PMID: 33811311 DOI: 10.1007/s10266-021-00603-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/26/2021] [Indexed: 01/02/2023]
Abstract
The aim of this study was to compare the effects of new irrigation solvent mixtures with Methyl ethyl ketone (MEK)/Tetrachloroethylene (TCE) and MEK/Orange oil (OOil), and different agitation techniques on dentin hardness. One hundred forty-four mandibular teeth were prepared and standardized, with each root's middle part transversely sectioned. Initial hardness was measured using a Vickers microhardness tester. Specimens were divided into four groups of agitation techniques (n = 36): no agitation; EndoActivator; IrriSafe; and XP-endo Finisher R. Each group was subdivided into six subgroups of irrigation protocols (n = 6): saline solution; NaOCl + EDTA; NaOCl + EDTA + MEK/TCE; MEK/TCE; NaOCl + EDTA + MEK/OOil; MEK/OOil. Final hardness was measured. The irrigation protocols NaOCl + EDTA, NaOCl + EDTA + MEK/TCE, and NaOCl + EDTA + MEK/OOil significantly decreased dentin hardness, while MEK/OOil increased it (p < 0.05). Comparing to NaOCl + EDTA sequence, dentin hardness increased significantly with the additional exposure to MEK/TCE (3%NaOCl + 17%EDTA + MEK/TCE) or MEK/OOil (3%NaOCl + 17%EDTA + MEK/OOil) (p < 0.05). There were no significant differences regarding agitation effects on dentin hardness decrease. The irrigation protocols affected dentin hardness significantly. However, the additional solvent proposals do not seem to address further concerns on dentin's mechanical properties. Agitation did not show any influence on dentin's hardness reduction.
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Affiliation(s)
- Inês Ferreira
- Faculty of Medicine, CINTESIS, University of Porto, Porto, Portugal. .,Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319, Porto, Portugal.
| | - Ana Cristina Braga
- Department of Production and Systems, ALGORITMI Center, University of Minho, Braga, Portugal
| | - Maria Ascensão Lopes
- Department of Metallurgical and Materials Engineering, Faculty of Engineering, REQUIMTE-LAQV, University of Porto, Porto, Portugal
| | - Irene Pina-Vaz
- Faculty of Dental Medicine, CINTESIS, University of Porto, Porto, Portugal
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Macedo HSD, Messias DCF, Rached-Júnior FJ, Oliveira LTD, Silva-Sousa YTC, Raucci-Neto W. 1064-nm Nd:YAG and 980-nm Diode Laser EDTA Agitation on the Retention of an Epoxy-Based Sealer to Root Dentin. Braz Dent J 2016; 27:424-9. [PMID: 27652705 DOI: 10.1590/0103-6440201601006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 07/01/2016] [Indexed: 11/22/2022] Open
Abstract
Root canal irrigants are used to minimize the negative effects of smear layer on endodontic sealer retention. The aim of this study was to evaluate the efficacy of agitation of 17% ethylenediaminetetraacetic acid (EDTA) with ultrasonic, 1064-nm Nd:YAG and 980-nm diode laser on the retention of an epoxy-based sealer to the root canal walls. Forty single-rooted bovine teeth were instrumented with ProTaper rotary system and divided into four groups according to the final irrigation protocol (n = 10): (1) 17% EDTA (control); (2) 17% EDTA with 50-s ultrasonic agitation; (3) 17% EDTA with 50-s diode laser (2-W) agitation; and (4) 17% EDTA with 50-s Nd:YAG (1.5-W) laser agitation. After endodontic filling with gutta-percha F5 master cone and Sealer 26, the roots were sectioned at the cervical, middle, and apical root thirds to obtain 1.5-mm slices. Push-out tests were performed using a universal testing machine at a 1 mm/min crosshead speed. Data were analyzed using two-way ANOVA and Tukey's tests (α=0.05). Apical root thirds had significant higher retention values than cervical and middle thirds (p < 0.05). EDTA with 1064-nm Nd:YAG or 980-nm diode laser presented the highest retention values and was significantly different from EDTA with ultrasonic agitation and EDTA only (p < 0.05). Adhesive failures were predominant to EDTA only group. Mixed failures were predominant to all agitation groups. 1064-nm Nd:YAG and 980-nm diode laser EDTA agitation enhanced the retention of the epoxy-based sealer to the root canal walls compared with that due to EDTA only or EDTA with ultrasonic agitation.
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Karataş E, Arslan H, Topçuoğlu HS, Yılmaz CB, Yeter KY, Ayrancı LB. The Effect of Diode Laser With Different Parameters on Root Fracture During Irrigation Procedure. Artif Organs 2015; 40:604-9. [DOI: 10.1111/aor.12608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Ertuğrul Karataş
- Faculty of Dentistry, Department of Endodontics; Ataturk University; Erzurum Turkey
| | - Hakan Arslan
- Faculty of Dentistry, Department of Endodontics; Ataturk University; Erzurum Turkey
| | | | - Cenk Burak Yılmaz
- Faculty of Dentistry, Department of Endodontics; Ataturk University; Erzurum Turkey
| | - Kübra Yesildal Yeter
- Faculty of Dentistry, Department of Endodontics; Ataturk University; Erzurum Turkey
| | - Leyla Benan Ayrancı
- Faculty of Dentistry, Department of Endodontics; Ataturk University; Erzurum Turkey
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de Macedo HS, Colucci V, Messias DCF, Rached-Júnior FJA, Fernandes FS, Silva-Sousa YTC, Raucci-Neto W. Effect of Nd:YAG (1064-nm) and Diode Laser (980-nm) EDTA Agitation on Root Dentin Ultrastructure Properties. Photomed Laser Surg 2015; 33:349-56. [DOI: 10.1089/pho.2014.3857] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Vivian Colucci
- Dentistry Department, University of Ribeirão Preto–UNAERP, Ribeirão Preto, SP, Brazil
| | | | | | | | | | - Walter Raucci-Neto
- Dentistry Department, University of Ribeirão Preto–UNAERP, Ribeirão Preto, SP, Brazil
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