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Ulusoy Öİ, Ballal NV, Narkedamalli R, Ulusoy N, Shetty KP, Luke AM. Dislodgement resistance and structural changes of tricalcium silicate-based cements after exposure to different chelating agents. PLoS One 2024; 19:e0296647. [PMID: 38232127 DOI: 10.1371/journal.pone.0296647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 12/18/2023] [Indexed: 01/19/2024] Open
Abstract
This study aimed to evaluate the dislodgement resistance and structural changes of different mineral trioxide aggregate cements (MTA) like Pro-Root MTA, Ortho MTA, and Retro MTA after exposure to sodium hypochlorite (NaOCl), NaOCl-Ethylenediaminetetraacetic acid (EDTA), 1-hydroxyethylidene-1, 1-bisphosphonate (Dual Rinse HEDP), and NaOCl-Maleic acid (MA). The root canal spaces of 150 dentine slices were obturated using tricalcium silicate cements and divided into 3 groups (n = 50): Group1: ProRoot MTA, Group2: Retro MTA, and Group3: Ortho MTA. The samples in each group were further subdivided into four experimental (n = 10) and one control groups (n = 10): 2.5% NaOCl-17% EDTA, Dual Rinse HEDP, 2.5% NaOCl-7% Maleic acid, 2.5% NaOCl, distilled water (control). The dislodgement resistance and structural changes of cements were measured. Use of DR HEDP resulted in higher dislodgement resistance compared to17% EDTA and 7% MA in the samples obturated with Ortho MTA and Pro-Root MTA (p<0.001). In Retro MTA group, samples treated with DR HEDP and 17% EDTA had higher dislodgment resistance compared to 7% MA (p<0.001). On microstructural and elemental analysis of all the three MTA cements, samples treated with 17% EDTA and 7% MA were more amorphous and granular when compared to DR HEDP, which was pettle shaped. Calcium level was decreased more in samples treated with 17% EDTA and 7% MA when compared to DR HEDP.
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Affiliation(s)
- Özgür İlke Ulusoy
- Faculty of Dentistry, Department of Endodontics, Gazi University, Ankara, Turkey
| | - Nidambur Vasudev Ballal
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Karnataka, India
| | - Rajkumar Narkedamalli
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Karnataka, India
| | - Nuran Ulusoy
- Faculty of Dentistry, Department of Restorative Dentistry, Near East University, Nicosia, Northern Cyprus
| | - Krishna Prasad Shetty
- Department of Clinical Science, College of Dentistry, Ajman University, Ajman, United Arab Emirates
- Centre for Medical and Bio-Allied Health Sciences Research, Ajman University, Al-Jruf, Ajman, United Arab Emirates
| | - Alexander Maniangat Luke
- Department of Clinical Science, College of Dentistry, Ajman University, Ajman, United Arab Emirates
- Centre for Medical and Bio-Allied Health Sciences Research, Ajman University, Al-Jruf, Ajman, United Arab Emirates
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Halder N, Vemuri S, Guptha Anila BS, Bolla N, Garlapati R, Basam RC. To compare the efficacy of various organic solvents on retrievability of Biodentine and their effect on microhardness of Biodentine and radicular dentin: An in vitro study. J Conserv Dent 2023; 26:98-103. [PMID: 36908723 PMCID: PMC10003285 DOI: 10.4103/jcd.jcd_456_22] [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: 08/12/2022] [Revised: 10/04/2022] [Accepted: 10/06/2022] [Indexed: 12/12/2022] Open
Abstract
Background Rotary and ultrasonic instruments are not appreciable in the complete removal of Biodentine from root canals. Therefore, organic solvents can be used as an adjunct for its retrieval. Aim The aim of this study was to compare the efficacy of 10% citric acid, 2% acetic acid, and 20% tartaric acid on the microhardness of Biodentine and radicular dentin. Materials and Methods Forty single-rooted extracted teeth were decoronated at the cementoenamel junction and root canals were prepared with peeso reamers. Two-millimeter sections were obtained and restored with Biodentine. All samples were subjected to Vicker's microhardness test to record the microhardness of Biodentine and radicular dentin. Samples were randomly divided into four experimental groups and treated with (n = 20) - distilled water, 10% citric acid, 2% acetic acid, and 20% tartaric acid groups for 10 min, after which specimens were again subjected to the same microhardness test. Statistical Analysis The data were subjected to Kruskal-Wallis ANOVA test, followed by Wilcoxon signed-rank test with a level of significance set at P ≤ 0.05. Results 10% citric acid followed by 2% acetic acid exhibited the lowest mean microhardness values after immersing in respective solutions, whereas 20% tartaric acid exhibited the highest mean microhardness values on Biodentine and radicular dentin. Conclusion 10% citric acid can be used for retrieving Biodentine from root canals for a limited time without adversely affecting the physical and chemical composition of radicular dentin.
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Affiliation(s)
- Niharika Halder
- Department of Conservative Dentistry and Endodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | - Sayesh Vemuri
- Department of Conservative Dentistry and Endodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | | | - Nagesh Bolla
- Department of Conservative Dentistry and Endodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | - Roopadevi Garlapati
- Department of Conservative Dentistry and Endodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | - Ram Chowdary Basam
- Department of Conservative Dentistry and Endodontics, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
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Rebolloso de Barrio E, Pérez-Higueras JJ, García-Barbero E, Gancedo-Caravia L. Effect of exposure to etidronic acid on the bond strength of calcium silicate-based cements after 1 and 21 days: an in vitro study. BMC Oral Health 2021; 21:591. [PMID: 34798880 PMCID: PMC8603527 DOI: 10.1186/s12903-021-01959-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 11/09/2021] [Indexed: 11/30/2022] Open
Abstract
Background After reparation of root perforations with calcium silicate-based cements (CSBC), the surface of the material is expected to be exposed to root canal irrigants (RCI) while resuming the root canal treatment. Methods The aim of this study was to compare the effect of exposure to a mixture of sodium hypochlorite (NaOCl) and etidronic acid (HEBP) or other irrigants on the Push Out Bond Strength (POBS) of CSBC after two different setting times. 240 root slices 1 mm thick were obtained from single-rooted human teeth. A 1.4 mm diameter perforation was performed on each slice and filled with Biodentine (BD) or ProRoot MTA (PMTA). After 1 or 21 days they were exposed to 17% ethylenediaminetetraacetic acid, 5.25% NaOCl, a mixture of 5.25% NaOCl and 9% HEBP (NaOCl + HEBP) or saline (n = 15) and submitted to a push-out test. POBS results were analysed with ANOVA and Tukey tests. Results BD showed higher POBS than PMTA after 1 day (p < .05). After 21 days no differences were found between materials. After 1 day exposure to NaOCl + HEBP resulted in higher POBS, compared to the other irrigants (p < .05). Conclusion POBS results are influenced by the cement, the setting time and the exposure to irrigants.
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Affiliation(s)
- Elena Rebolloso de Barrio
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain
| | - Juan José Pérez-Higueras
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain.
| | - Ernesto García-Barbero
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain
| | - Lucía Gancedo-Caravia
- Department of Conservative and Prosthetic Dentistry, School of Dentistry, Complutense University, Pza. Ramon y Cajal, s/n. Ciudad Universitaria, 28040, Madrid, Spain
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Song W, Sun W, Chen L, Yuan Z. In vivo Biocompatibility and Bioactivity of Calcium Silicate-Based Bioceramics in Endodontics. Front Bioeng Biotechnol 2020; 8:580954. [PMID: 33195142 PMCID: PMC7658386 DOI: 10.3389/fbioe.2020.580954] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 08/31/2020] [Indexed: 12/14/2022] Open
Abstract
Endodontic therapy aims to preserve or repair the activity and function of pulp and periapical tissues. Due to their excellent biological features, a substantial number of calcium silicate-based bioceramics have been introduced into endodontics and simultaneously increased the success rate of endodontic treatment. The present manuscript describes the in vivo biocompatibility and bioactivity of four types of calcium silicate-based bioceramics in endodontics.
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Affiliation(s)
- Wencheng Song
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Wei Sun
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Zhenglin Yuan
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
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Effect of exposure to root canal irrigants on the push-out bond strength of calcium silicate-based cements. Clin Oral Investig 2020; 25:3267-3274. [PMID: 33118077 DOI: 10.1007/s00784-020-03658-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/22/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES The aim of this study was to compare the push-out bond strength (POBS) of three calcium silicate-based cements (CSBC) after exposure to saline, sodium hypochlorite (NaOCl), ethylenediaminetetraacetic acid (EDTA), and a mixture of NaOCl and etidronic acid (NaOCl+HEBP) in simulated perforation. MATERIALS AND METHODS A total of 180 dentin slices were perforated and then filled with either Biodentine (BD), ProRoot MTA (PMTA), or Total Fill (TF). After 1 week, specimens in each group were divided into 4 subgroups (n = 15) according to the root canal irrigant (RCI) that their coronal surface was exposed to: saline, 5.25% NaOCl, 17% EDTA, or a mixture of 5.25% NaOCl and 9% HEBP (NaOCl+HEBP). A push-out test was performed, and the failure pattern was assessed. POBS data were analyzed with ANOVA and Tukey post hoc tests and the failure patterns with chi-square test. RESULTS No differences were found when comparing the effect of RCI on the POBS of PMTA. BD showed significantly higher POBS values after exposure to NaOCl+HEBP (p < .05), and those of TF were significantly lower after exposure to EDTA (p < .05). No differences in the failure patterns were found among groups. CONCLUSION NaOCl+HEBP had no detrimental effect on the POBS of CSBC. CLINICAL RELEVANCE The mixture of sodium hypochlorite and etidronic acid may be considered as an alternative irrigant when treating root perforations.
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Chu JHR, Chia KY, Qui AL, Moule A, Ha WN. The effects of sodium hypochlorite and ethylenediaminetetraacetic acid on the microhardness of Mineral Trioxide Aggregate and TotalFill Bioceramic Putty. AUST ENDOD J 2019; 46:33-39. [PMID: 31054191 DOI: 10.1111/aej.12352] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2019] [Indexed: 12/12/2022]
Abstract
This study aimed to evaluate the effects of 5% NaOCl and 17% EDTA on the Vickers microhardness of Mineral Trioxide Aggregate, MTA Angelus (MTAA), and TotalFill Bioceramic Putty (BCP) after 24 h and 8 days. Twenty-four samples of MTAA and BCP were tested for baseline microhardness at 24 h. They were divided into four subgroups (5% NaOCl or 17% EDTA, 24 h, 5% NaOCl or 17% EDTA at 8 days) and microhardness was evaluated at different time-points. Results were recorded and analysed statistically via one-way anova Kruskal-Wallis test and post hoc uncorrected Dunn's multiple comparison test. MTAA had a higher baseline microhardness than BCP. NaOCl reduced the microhardness of MTAA but increased that of BCP. EDTA reduced the microhardness for both materials at 24 h. At 8 days, EDTA reduced the microhardness of MTAA, while BCP exhibited an increase in microhardness. Enabling these materials to set for a week prior to exposure to irrigants improves their microhardness.
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Affiliation(s)
- Jacklyn H R Chu
- Oral Health Centre, School of Dentistry, The University of Queensland, Brisbane, Queensland, Australia
| | - Kalie Y Chia
- Oral Health Centre, School of Dentistry, The University of Queensland, Brisbane, Queensland, Australia
| | - Alexander L Qui
- Oral Health Centre, School of Dentistry, The University of Queensland, Brisbane, Queensland, Australia
| | - Alex Moule
- Oral Health Centre, School of Dentistry, The University of Queensland, Brisbane, Queensland, Australia
| | - William N Ha
- Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia
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