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Çakır A, Şahin TN, Kahveci Ö. Assessing the efficacy of various irrigation solutions in dissolving organic tissue. Sci Rep 2024; 14:13861. [PMID: 38879635 PMCID: PMC11180171 DOI: 10.1038/s41598-024-64904-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Accepted: 06/14/2024] [Indexed: 06/19/2024] Open
Abstract
For successful root canal treatment, adequate chemomechanical instrumentation to eliminate microorganisms and pulp tissue is crucial. This study aims to assess the organic tissue dissolving activity of various irrigation solutions on bovine tooth pulp tissue. 40 extracted bovine mandibular anterior teeth (n = 10) were used for the study. Bovine pulp pieces (25 ± 5 mg) were placed in 1.5 ml Eppendorf tubes. Each tooth pulp sample was then covered with 1.5 ml of different irrigation solutions, dividing them into four groups: Group 1 with freshly prepared 5% Boric acid, Group 2 with 5% NaOCl, Group 3 with Irritrol, and Group 4 with Saline. Samples were left at room temperature for 30 min, then dried and reweighed. The efficacy of tissue dissolution ranked from highest to lowest was found to be NaOCl, Boric Acid, Irritrol, and saline (p < 0.05). It was observed that the decrease in the NaOCl group was greater than the decrease in the Irritrol and saline groups, and the decrease in the Boric acid group was significantly greater than the decrease in the saline group (p < 0.05). It also emphasizes the need for future studies to further investigate the effects of Irritrol and Boric Acid on tissue dissolution.
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Affiliation(s)
- Asu Çakır
- Pediatric Dentistry Department, Ahmet Kelesoglu Dentistry Faculty, Karamanoglu Mehmetbey University, Karaman, Turkey.
| | - Tuğçe Nur Şahin
- Pediatric Dentistry Department, Ahmet Kelesoglu Dentistry Faculty, Karamanoglu Mehmetbey University, Karaman, Turkey
| | - Özlem Kahveci
- Pendik Oral and Dental Health Center, İstanbul, Turkey
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2
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Doğan Çankaya T, Uğur Aydın Z, Erdönmez D. The effect of the enzymes trypsin and DNase I on the antimicrobial efficiency of root canal irrigation solutions. Odontology 2024:10.1007/s10266-023-00894-x. [PMID: 38280114 DOI: 10.1007/s10266-023-00894-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 12/19/2023] [Indexed: 01/29/2024]
Abstract
The purpose of this study was to evaluate the antibacterial efficacy of using 2.5% NaOCl, 2% chlorhexidine (CHX), Irritrol, and chitosan-coated silver nanoparticles (AgCNPs) alone or in combination with deoxyribonuclease I (DNase I) and trypsin pre-enzyme applications in dentin samples contaminated with Enterococcus faecalis (E. faecalis) by CLSM. 144 dentin blocks with confirmed E. faecalis biofilm formation were divided randomly according to the irrigation protocol (n = 12): NaOCl, CHX, Irritrol, AgCNPs, trypsin before NaOCl, CHX, Irritrol, AgCNPs, and DNase I before NaOCl, CHX, Irritrol, AgCNPs. Dentin blocks were stained with the Live/Dead BacLight Bacterial Viability Kit and viewed with CLSM after irrigation applications. The percentage of dead and viable bacteria was calculated using ImageJ software on CLSM images. At a significance level of p < 0.05, the obtained data were analyzed using one-way Anova and post-hoc Tukey tests. In comparison with NaOCl, CHX had a higher percentage of dead bacteria, both when no pre-enzyme was applied and when DNase I was applied as a pre-enzyme (p < 0.05). There was no difference in the percentage of dead bacteria between the irrigation solutions when trypsin was applied as a pre-enzyme (p > 0.05). AgCNPs showed a higher percentage of dead bacteria when trypsin was applied as a pre-enzyme compared to other irrigation solutions (p < 0.05), while the pre-enzyme application did not affect the percentage of dead bacteria in NaOCl, CHX, and Irritrol (p > 0.05). No irrigation protocol tested was able to eliminate the E. faecalis biofilm. While the application of trypsin as a pre-enzyme improved the antimicrobial effect of AgCNPs, it did not make any difference over other irrigation solutions.
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Affiliation(s)
- Tülin Doğan Çankaya
- Department of Endodontics, Faculty of Dentistry, Alanya Alaaddin Keykubat University, Antalya, Turkey.
| | - Zeliha Uğur Aydın
- Department of Endodontics, Gülhane Faculty of Dentistry, University of Health Sciences, Ankara, Turkey
| | - Demet Erdönmez
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Düzce University, Düzce, Turkey
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Sapmaz Ucan C, Dumani A, Unal I, Yilmaz S, Yoldas O. Effect of QMix as final irrigation protocol on periapical healing after single-visit root canal treatment: A randomised controlled clinical trial. AUST ENDOD J 2023; 49 Suppl 1:113-121. [PMID: 36254883 DOI: 10.1111/aej.12701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 09/01/2022] [Accepted: 10/03/2022] [Indexed: 11/30/2022]
Abstract
The aim of this study was to evaluate radiographic periapical repair after endodontic treatment using QMix or NaOCl irrigation in single-rooted teeth with apical periodontitis. In this randomised clinical trial, 60 patients were selected and randomised into two groups (n = 30). After instrumentation of root canals, QMix or NaOCl was used as a final irrigation and the canals obturated with gutta-percha and AH Plus sealer. All the participants were recalled after 12 months and 15 patients were lost to the study so 45 patients were evaluated radiographically according to periapical index (PAI) scores. A significant decrease was seen in PAI scores after 1 year in all patients (p < 0.001). In the QMix and NaOCl group, absence or reduction of radiolucency was observed in 23 of 25 teeth (92%) and 20 of 20 teeth (100%), respectively. There was no significant difference between two groups according to the decrease in PAI score (p = 0.508). Root canal treatments with or without QMix irrigation contributed equally to periapical healing.
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Affiliation(s)
- Cemre Sapmaz Ucan
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
| | - Aysin Dumani
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
| | - Ilker Unal
- Department of Biostatistics, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - Sehnaz Yilmaz
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
| | - Oguz Yoldas
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
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Hassan R, Roshdy NN. Effect of continuous chelation on the dentinal tubule penetration of a calcium silicate-based root canal sealer: a confocal laser microscopy study. BMC Oral Health 2023; 23:377. [PMID: 37296374 PMCID: PMC10257323 DOI: 10.1186/s12903-023-02995-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/27/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND This study aimed to evaluate the effect of various irrigation protocols on the penetration depth of a calcium silicate-based sealer into dentinal tubules using confocal laser scanning microscopy (CLSM). METHODS Twenty single-rooted mandibular premolars were endodontically prepared and divided into the following two groups according to the irrigation protocol used (n = 10): Group I: NaOCl + EDTA and Group II: continuous chelation (NaOCl/Dual Rinse). Obturation was performed with the warm vertical compaction technique using TotalFill HiFlow bioceramic sealer mixed with a fluorophore dye. Samples were observed using CLSM at 10× to measure the percentage of sealer penetration and its maximum depth into the dentinal tubules. Data were analysed using one-way ANOVA followed by Tukey's post-hoc test. The significance level was set at p < 0.05 within all tests. RESULTS Comparing the overall results of all sections tested, no statistically significant differences existed between the groups regarding the percentage of sealer penetration (p = 0.612) and maximum depth of penetration (p > 0.05). CONCLUSIONS With both types of irrigation used, dentinal tubule penetration was higher in the coronal section than in the apical section. Continuous chelation using NaOCl/Dual Rinse HEDP performed better in the coronal segments, while irrigation using NaOCl + EDTA promoted a higher percentage of sealer penetration in the apical segment.
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Affiliation(s)
- Reham Hassan
- Egyptian Russian University, Badr city, Egypt.
- Faculty of Dentistry, Minia University, Minia, Egypt.
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Tan L, Liu Q, Chen Y, Zhao YQ, Zhao J, Dusenge MA, Feng Y, Ye Q, Hu J, Ou-Yang ZY, Zhou YH, Guo Y, Feng YZ. Comparison of sealer penetration of sonic activation versus conventional needle irrigation: a systematic review and meta-analysis of randomized controlled trials. BMC Oral Health 2022; 22:566. [PMID: 36463149 PMCID: PMC9719620 DOI: 10.1186/s12903-022-02608-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 11/21/2022] [Indexed: 12/07/2022] Open
Abstract
BACKGROUND Most existing studies comparing the efficiency of sonic irrigation (SI) and conventional needle irrigation (CNI) in increasing the penetration of sealers into dentine tubules are controversial; and this study aimed to determine whether the use of SI can lead to greater sealing ability than CNI, during the root canal treatment. METHODS The EMBASE, PubMed, and Cochrane Library databases were used to find confocal laser scanning microscopy studies evaluating percentage and maximum depth of sealer penetration following the use of SI or CNI in mature permanent teeth until October 2022. The critical estimative checklist of randomized controlled trials of the standardized Joanna Briggs Institute was adopted to independently score the quality of each study. The random-effect model for meta-analysis was used to analyse for each canal segment (apical, middle, coronal). The results are shown in the forest plots as weighted mean differences (WMDs) with 95% confidence intervals (95% CIs). RESULTS Ninety-seven articles were included in the preliminary screening, and nine of them were included in this study. Eight studies were included in the meta-analysis.The meta-analysis exhibited great increases in the coronal (WMD: 8.09, 95% CI 2.78-13.40/WMD: 165.32, 95% CI 128.85-201.80), and middle segments (WMD: 8.81, 95% CI 5.76-11.87/WMD: 132.98, 95% CI 68.71-197.25) for the percentage and maximum depth of sealer penetration, respectively. The percentage of sealer penetration in the apical thirds region was nonsignificant (WMD: 4.73, 95% CI - 2.34-11.80). However, the maximum depth of sealer penetration in the apical thirds region was significant (WMD: 121.46, 95% CI 86.55-156.38). Chi-squared analysis revealed heterogeneity scores of 0.0-70.0% and 44.0-90.0% for the percentage and maximum depth of sealer penetration, respectively. DISCUSSION This review verified that SI significantly improves tubular dentin sealer penetration in most areas of the root canal; thus, SI may lead to better filling efficiency and anti-reinfection effects than CNI during and after the root canal therapy. Nevertheless, a large heterogeneity in the current data comparing the irrigation efficiency of SI versus CNI in the apical third of the root canal was found, implying the necessity to standardize root canal irrigation procedures and obtain more accurate results in this area. TRIAL REGISTRATION INPLASY database (INPLASY202270116).
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Affiliation(s)
- Li Tan
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Qiong Liu
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Yun Chen
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Ya-Qiong Zhao
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Jie Zhao
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Marie Aimee Dusenge
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Yao Feng
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Qin Ye
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Jing Hu
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Ze-Yue Ou-Yang
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Ying-Hui Zhou
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China ,grid.452708.c0000 0004 1803 0208National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011 Hunan China
| | - Yue Guo
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Yun-Zhi Feng
- grid.452708.c0000 0004 1803 0208Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
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Kermeoglu F, Abduljalil M. Impacts of NaOCl and Irritrol irrigation solutions with/without autoclave sterilisation on the cyclic fatigue resistance of different nickel-titanium files. AUST ENDOD J 2022; 48:392-399. [PMID: 34617638 DOI: 10.1111/aej.12580] [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: 03/24/2021] [Revised: 08/22/2021] [Accepted: 09/26/2021] [Indexed: 12/14/2022]
Abstract
This research aimed to examine the impact of NaOCl and Irritrol solutions with/without autoclave sterilisation on the cyclic fatigue resistance of ProTaper, WaveOne Gold and Reciproc NiTi files. Seventy files in every group were separated into seven subgroups (n = 10) according to irrigation solutions and sterilisation procedures. The mean and standard deviations of the time to fracture was calculated for each group, and the data statistical analysis was performed (P ≤ 0.05). Significantly higher cyclic fatigue resistance was found in Reciproc files than the other types of files. The differences between the control and other subgroups were found to be statistically insignificant (P > 0.05), except for subgroups 5 and 7 (P ≤ 0.05). Immersing NiTi files in NaOCl or Irritrol with sterilisation for three times considerably reduced the cyclic fatigue resistance of these files. Reciproc files exhibited the highest cyclic fatigue resistance in comparison with ProTaper and WaveOne Gold files.
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Affiliation(s)
- Fatma Kermeoglu
- Department of Endodontics, Faculty of Dentistry, Near East University, Mersin10, Turkey
| | - Mohamad Abduljalil
- Department of Endodontics, Faculty of Dentistry, Near East University, Mersin10, Turkey
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Keskin NB, Bozkurt DA, İnce Yusufoğlu S. Evaluation of dentinal tubule penetration of Irritrol and chlorhexidine irrigating solutions activated using EDDY and photon-initiated photoacoustic streaming. Photodiagnosis Photodyn Ther 2022; 39:102925. [PMID: 35623543 DOI: 10.1016/j.pdpdt.2022.102925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/20/2022] [Accepted: 05/20/2022] [Indexed: 11/24/2022]
Abstract
The aim of the study was to compare the penetration depth and percentage of Irritrol and chlorhexidine (CHX) solutions into dentinal tubules using conventional needle irrigation (CI), EDDY, and photon-induced photoacoustic streaming (PIPS). Sixty oval shaped mandibular premolar teeth were divided into two main groups according to the irrigating solutions as follows; Irritrol and CHX, which were later randomly divided into three subgroups according to the activation technique; CI, EDDY and PIPS (n = 10). Following the irrigation activation procedures, all roots were horizontally sectioned at 3 (apical), 8 (middle), and 13 (coronal) mm from the root apex and then examined with confocal laser scanning microscope (CLSM). Penetration depth (µm) and penetration percentage (%) as determined from the images were analyzed using LSM Image Browser software (Zeiss) and Image J analysis software (V. 1.44p; National Institutes of Health, Bethesda, MD), respectively. Data were statistically analyzed using Kruskal-Wallis and Mann-Whitney U tests were performed for multiple comparisons. In both Irritrol and CHX groups, the PIPS activation system demonstrated the highest values for irrigant penetration depth and penetration percentage compared with the other activation methods. Activation of the CHX and Irritrol the final irrigating solutions with PIPS activation technique improved the penetration depth and percentage solutions into the dentinal tubules.
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Affiliation(s)
- Neslihan Büşra Keskin
- Department of Endodontics, Faculty of Dentistry, Yıldırım Beyazıt University, Ankara, Turkey.
| | - Durmuş Alperen Bozkurt
- Department of Endodontics, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey
| | - Selen İnce Yusufoğlu
- Department of Endodontics, Faculty of Dentistry, Yıldırım Beyazıt University, Ankara, Turkey
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Bozkurt DA, Yusufoglu SI, Keskin NB, Akman M. Effect of activated chlorhexidine and irritrol with photon-induced-photoacoustic-streaming and EDDY ® on the dislocation resistance of biodentine. Niger J Clin Pract 2022; 25:670-676. [PMID: 35593611 DOI: 10.4103/njcp.njcp_1877_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background Irrigant activation techniques, which are more effective in anatomically complex areas, can be used to maximize irrigant efficacy. Aim This in vitro study aimed to evaluate the efficacy of different agitation techniques on the dislocation resistance of Biodentine to the root canal dentin. Materials and Methods Seventy single-rooted teeth divided into seven experimental groups (n = 10); Group I-Irritrol/Photon-induced-photoacoustic-streaming (PIPS), Group II-Irritrol/EDDY®, Group III- Irritrol/Syringe-needle-irrigation (SNI), Group IV-Chlorhexidine-gluconate (CHX)/PIPS, Group V-CHX/EDDY®, Group VI-CHX/SNI, Group VII-Saline. The midroot dentin slice was obtained from each tooth, and Biodentine was condensed with hand pluggers into the root canal lumen. The push-out bond strength values were measured using a universal testing machine. Each sample was categorized into one of the three failure modes: adhesive/cohesive/mixed. Scanning-Electron-Microscopy (SEM) was used to conduct the analyses, and the composition of Biodentine was analyzed using Energy-Dispersive Spectroscopy. The One-way ANOVA, post-hoc Tukey's test, and the Chi-square test were used for statistical analysis. Results The push-out bond strength values of Biodentine showed that Group VII-Saline had a statistically significant difference (P = 0.002), however, the differences between the other groups were not statistically significant (P = 0.922). The percentages of the failure modes of the samples showed that there was a higher rate of mixed failure except for Group VII-Saline. SEM examination showed that Group VII-Saline had no open dentinal tubules, whereas the other groups, particularly the Irritrol groups, had open dentinal tubule areas. Conclusions Within the scope of the study, using Irritrol or CHX as the final irrigation in the root canal treatment did not result in differences in the dislocation resistance of Biodentine to root canal dentin when PIPS and EDDY® were used.
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Affiliation(s)
- D A Bozkurt
- Department of Endodontics, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey
| | - S Ince Yusufoglu
- Department of Endodontics, Faculty of Dentistry, Yildirim Beyazit University, Ankara, Turkey
| | - N B Keskin
- Department of Endodontics, Faculty of Dentistry, Yildirim Beyazit University, Ankara, Turkey
| | - M Akman
- Department of Endodontics, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey
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Dumani A, Ates AA, Ucan CS, Yilmaz S, Unal I, Yoldas O. The influence of MTAD and QMix on the accuracy of electronic apex locator in locating simulated perforations. Niger J Clin Pract 2022; 25:281-285. [PMID: 35295049 DOI: 10.4103/njcp.njcp_1444_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Aims and Background The aim of this study was to evaluate the accuracy of the electronic actual length in detecting artificial perforations of the root canal in the presence of saline solution (NaCl, (Eczacibasi, Istanbul, Turkey), chlorhexidine [CHX (Werax, Tunadent, Izmir, Turkey)], QMix (Dentsply Tulsa, Maillefer, Ballaigues, Switzerland), and MTAD (Dentsply, Tulsa Dental, Tulsa, OK, USA). Materials and Methods The root canals of 25 single-rooted extracted human teeth were perforated artificially in the middle section of the root. The actual lengths up to the perforation site were measured and then, the teeth were embedded in an alginate mold. Electronic measurements of the perforations were obtained by an electronic apex locator according to the manufacturers' recommendations under dry conditions and in the presence of NaCl, CHX, MTAD, and QMix using a #20 K-file. Each canal was irrigated with distilled water and then dried with paper points between the measurements. Statistical analyses were performed using the Friedman test and Spearman Rank correlation coefficient to assess the correlations between the measurement methods. Results Highest correlation between the actual length and the electronic measurement was observed under dry conditions and NaCl solution (r: 0.932, r: 0.940 respectively), and the least correlation was observed with MTAD solution (r: 0.697) using statistical analysis. Moreover, the accuracy of the electronic apex locator with different irrigation solutions was statistically different from each other (P = 0.001). Conclusion The most accurate electronic measurements of artificial perforation were obtained under dry conditions or with NaCl.
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Affiliation(s)
- A Dumani
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
| | - A A Ates
- Department of Endodontics, Faculty of Dentistry, Istanbul Okan University, Istanbul, Turkey
| | - C S Ucan
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
| | - S Yilmaz
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
| | - I Unal
- Department of Biostatistics, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - O Yoldas
- Department of Endodontics, Faculty of Dentistry, Cukurova University, Adana, Turkey
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Giardino L, Pedullà E, Cavani F, Bisciotti F, Giannetti L, Checchi V, Angerame D, Consolo U, Generali L. Comparative Evaluation of the Penetration Depth into Dentinal Tubules of Three Endodontic Irrigants. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5853. [PMID: 34640251 PMCID: PMC8510083 DOI: 10.3390/ma14195853] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/27/2021] [Accepted: 10/05/2021] [Indexed: 12/03/2022]
Abstract
This study aimed to examine the penetration depth into dentinal tubules of some chelating agents. The 17% EDTA and two preparations containing surfactants (Smear Clear, Bioakt Endo) were tested. Surface tension and liquid viscosity were measured using a Dynamic Contact Angle Analyzer and a Haake rotational rheometer. To measure the penetration depth inside dentinal tubules, thirty maxillary central incisors were selected from a pool of extracted human permanent teeth and allocated to three experimental groups (10 samples each), as well as were mechanically shaped and cleansed with 5.25% NaOCl, followed by each of the chelators being labeled with 0.1 wt % Rhodamine B according to final irrigation protocol established. The samples were embedded in an epoxy resin, after which 200 μm thick transverse sections were obtained at 2, 5, and 8 mm from the apex with a saw microtome. The specimens were then observed using a confocal laser microscope (CLSM) and the penetration of the labeled solution was measured in every third of each sample. Statistical analysis was performed using ANOVA or Kruskal-Wallis tests according to the distribution of data, evaluated with the Shapiro-Wilk normality test. Viscosity and surface tension tests have shown that BioAKT Endo has the lowest values compared to EDTA and Smear Clear. The medium penetration depth did not significantly differ among the three irrigants, while it increased considerably from the apical to the coronal level in all groups. Additionally, the maximum penetration depth increased significantly from the apical to coronal level, while among groups, BioAKT Endo showed the highest values at the apical and middle level compared to the other irrigants. No significant differences were observed among the three groups in medium and maximum penetration depths when the entire root was considered. New irrigants containing surfactants show reduced surface tension and, in one case (BioAKT Endo), viscosity. The lowering of the surface tension allows for better penetration of liquids into dentinal tubules than EDTA alone, thus improving the cleaning of the root canal system.
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Affiliation(s)
| | - Eugenio Pedullà
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95131 Catania, Italy;
| | - Francesco Cavani
- Department of Biomedical Metabolic and Neural Sciences, Section of Human Morphology, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Francesca Bisciotti
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (L.G.); (V.C.); (U.C.)
| | - Luca Giannetti
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (L.G.); (V.C.); (U.C.)
| | - Vittorio Checchi
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (L.G.); (V.C.); (U.C.)
| | - Daniele Angerame
- University Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34149 Trieste, Italy;
| | - Ugo Consolo
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (L.G.); (V.C.); (U.C.)
| | - Luigi Generali
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.B.); (L.G.); (V.C.); (U.C.)
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11
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Ateş AA, Arıcan B, Çiftçioğlu E, Küçükay ES. Influence of different irrigation regimens on the dentinal tubule penetration of a bioceramic-based root canal sealer: a confocal analysis study. Lasers Med Sci 2021; 36:1771-1777. [PMID: 34148161 DOI: 10.1007/s10103-021-03356-4] [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: 02/23/2021] [Accepted: 06/07/2021] [Indexed: 11/29/2022]
Abstract
This study aims to assess the efficacy of various irrigation protocols on the dentinal tubule penetration of a bioceramic-based endodontic sealer. Sixty-four single-rooted extracted human mandibular incisors were used. After instrumentation, teeth were randomly divided into the following four groups (n = 16 each) according to the final irrigation technique: group 1, conventional endodontic needle (CEN); group 2, EndoActivator (EA); group 3, Er,Cr: YSGG laser; group 4, XP-endo Finisher (XPF). The root canals were finally irrigated with 17% EDTA and 5.25% NaOCl for 1 min (min) respectively. The teeth were then obturated with Endosequence BC Points and rhodamine B dye-labeled BC Sealer. After 2 weeks, 1-mm-thick transverse sections were cut 2 and 5 mm from the apex, and examined by confocal laser scanning microscopy at 5 × magnification. The total percentage of sealer penetration (TPSP), sealer penetration area (SPA), and maximum sealer penetration depth (MSPD) was measured. Data were analyzed by Kruskal-Wallis, Dunn's multiple comparison, and Wilcoxon tests, with significance set at P < 0.05. At 2 mm level, no significant differences were detected among the groups (P > 0.05). At the 5 mm level, the XPF group showed significantly higher values for both TPSP and SPA in comparison with the Er,Cr: YSGG laser and CEN groups (P < 0.05), but no significant difference was observed with the EA group. The choice of different final irrigation techniques can affect dentinal tubule penetration.
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Affiliation(s)
- Ayfer Atav Ateş
- Department of Endodontics, Faculty of Dentistry, Istanbul Okan University, Istanbul, Turkey.
| | - Burçin Arıcan
- Department of Endodontics, Faculty of Dentistry, Istanbul Okan University, Istanbul, Turkey
| | - Elif Çiftçioğlu
- Department of Endodontics, Faculty of Dentistry, Istanbul Okan University, Istanbul, Turkey
| | - E Sedat Küçükay
- Department of Endodontics, Faculty of Dentistry, Istanbul Okan University, Istanbul, Turkey
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Saricam E, Küçük M, Akyol M. Evaluation of EDTA, QMix, and Irritrol solutions activated with Er,Cr:YSGG and diode lasers on the push-out bond strength of filling material. Microsc Res Tech 2021; 84:584-591. [PMID: 33044039 DOI: 10.1002/jemt.23616] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 09/16/2020] [Accepted: 09/26/2020] [Indexed: 11/06/2022]
Abstract
This study was conducted to evaluate the effects of ethylenediaminetetraacetic acid (EDTA), Irritrol, and QMix solutions used with manual irrigation and diode and erbium, chromium-doped yttrium, scandium, gallium, and garnet (Er,Cr:YSGG) laser activation on the bonding ability of sealer to the intraradicular dentin. The root canals of 90 mandibular incisors were instrumented, and the teeth were allocated randomly to nine groups (n = 10/group) receiving final irrigation with different irrigation solutions (EDTA, Irritrol, and QMix) and irrigant activation techniques (manual, diode laser, and Er,Cr:YSGG laser). Following endodontic filling, three sections of 1-mm thickness were obtained from the middle third of each root. The root filling was subjected to a push-out test to examine the bond strength of the sealer to dentin. The test data were examined using analysis of variance with a significance level of ɑ < .05. Failure modes were determined by stereomicroscopy, and the surface characteristics of dentin were observed by scanning electron microscopy. Irritrol showed less push-out bond strength than did the other solutions in the Er,Cr:YSGG laser groups (p < .05). In the diode laser groups, QMix provided greater adhesion than did Irritrol (p < .05). The activation of QMix with the Er,Cr:YSGG laser increased the bond strength more than did manual irrigation (p < .05). No other significant difference was observed between other comparison pairs (p > .05). QMix provided adhesion superior to that of Irritrol when activated with diode and Er,Cr:YSGG lasers. Er,Cr:YSGG laser activation increased the adhesion of filling material with QMix irrigation.
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Affiliation(s)
- Esma Saricam
- Department of Endodontics, Faculty of Dentistry, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Meltem Küçük
- Department of Endodontics, Faculty of Dentistry, Near East University, Mersin, Turkey
| | - Meltem Akyol
- Tepebasi Oral and Dental Health Education Hospital, Faculty of Dentistry, Ankara Yıldırım Beyazıt University, Ankara, Turkey
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Kırmalı Ö, Sekmen T, Karaarslan A. Push-out bond strength of various surface treatments on fiber post to root canal dentine using different irrigation techniques. Microsc Res Tech 2021; 84:2024-2033. [PMID: 33749061 DOI: 10.1002/jemt.23758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/13/2021] [Accepted: 03/09/2021] [Indexed: 11/11/2022]
Abstract
To compare the efficacy of different surface treatments (fiber post) with laser activated irrigation (LAI) technique (various root canal solutions) on root canal dentine in terms of push-out bond strength (PBS) in a fiber post. In this study, 200 premolars were assigned into groups according to various irrigation techniques: 2.5% sodium hypochlorite (NaOCl), 17% ethylene diamine tetra acetic acid (EDTA), and 17% EDTA + LAI. In addition, the fiber posts were separated into five groups, (n = 30) according to the surface pretreatment performed: sandblasting, hydrofluoric acid (HF), Erbium, Chromium:Yttrium Scandium-Gallium-Garnet (Er,Cr:YSGG) laser, Neodymium-Doped Yttrium Aluminum Garnet (Nd,YAG) laser and as untreated surface. The posts were cemented using dual-cure resin cement and subjected to a PBS test. Data were analyzed by one way-ANOVA, Tukey, and Tamhane T2 tests. The PBS values were increased in all parts of the tooth in the EDTA and EDTA + LAI treated groups and in groups treated with Er,Cr:YSGG laser fiber posts. In groups in which EDTA and EDTA + LAI were applied, it was observed that dentinal tubules were open according to the distribution and number of dentinal tubule configurations. The improvement of the PBS between fiber post/resin cement/root dentine was observed via the use of fiber post surface treatments with different irrigation techniques.
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Affiliation(s)
- Ömer Kırmalı
- Department of Prosthodontics, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
| | | | - Ayşegül Karaarslan
- Department of Restorative Dentistry, Faculty of Dentistry, Erzincan Binali Yıldırım University, Erzincan, Turkey
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Salas H, Castrejon A, Fuentes D, Luque A, Luque E. Evaluation of the penetration of CHX 2% on dentinal tubules using Conventional Irrigation, Sonic Irrigation (EDDY) and Passive Ultrasonic Irrigation (PUI) techniques: An in vitro study. J Clin Exp Dent 2021; 13:e37-e42. [PMID: 33425229 PMCID: PMC7781212 DOI: 10.4317/jced.57065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 08/10/2020] [Indexed: 11/30/2022] Open
Abstract
Background Various procedures and techniques have been developed to increase the effectiveness and penetration of irrigants into the dentinal tubules and anatomical anfractuosities. Objective: The purpose of this in vitro study was to compare the effect of different irrigation techniques such as conventional irrigation with a syringe, sonic activation irrigation with EDDY and Passive Ultrasonic Irrigation. All these on dentinal tubule penetration using Chlorhexidine.
Material and Methods 45 lower premolar teeth extracted for orthodontic reasons were used. These teeth were decoronated to a length of 18mm. This working length was achieved by inserting a size 15 K file into the root canal until it was observed in the ápex. Then the length was reduced to 1 mm. The instrumentation was performed with the Wave One Gold system up to a file # 45. Irrigated with 2mL of CHX between instruments. A final irrigation was performed using 5 mL of 17% EDTA with an E1 - Irrisonic insert for 30 seconds. Then, the root canal was irrigated with 5 mL of distilled water and dried with paper tips. The final irrigation of the 2% CHX with Rhodamine B was carried out with the different techniques of irrigation. Syringe irrigation with 5 mL, sonic irrigation and passive ultrasonic activation activated for 30 seconds in two stages. Axial cuts were made at 200 microns, the observation was done with stereomicroscope and image analysis in Image J software.
Results Statistically significant differences were found only in the apical region, where the depth penetration in the PUI group was 76 µm, MI 48 µm and SI 41 µm, while in the penetration area, the PUI group was 99 µm2, MI 77 µm2 and finally SI 53 µm2.
Conclusions The CHX was able to penetrate the dentinal tubules of three-thirds of the roots, for which the technique that showed the greatest penetration capacity was the ultrasonic activation. Key words:Clorhexidine. Dentinal tubule. Dentinal penetration. Passive ultrasonic irrigation. Eddy. Manual irrigation.
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Affiliation(s)
- Hair Salas
- DDs, MSc, PhD. Facultad de Odontología de Universidad Católica de Santa María, Arequipa, Perú
| | | | | | | | - Edson Luque
- DDS. Práctica privada exclusiva a la endodoncia
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Wahjuningrum D, Elizabeth MK, Puteri F, Mardiyah A, Subiyanto A. Cytotoxicity assay of sodium hypochlorite and QMix on cultured human periodontal ligament fibroblast cells. J Int Oral Health 2019. [DOI: 10.4103/jioh.jioh_48_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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