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Coşkun Başoğlu E, Koçak S, Özdemir O, Koçak MM, Sağlam BC. Efficacy of various activation techniques on tubule penetration of resin-based and bioceramic root canal sealers: An in vitro confocal microscopy study. AUST ENDOD J 2023; 49 Suppl 1:381-389. [PMID: 36971332 DOI: 10.1111/aej.12754] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/30/2023] [Accepted: 03/16/2023] [Indexed: 09/17/2023]
Abstract
To compare the penetration of Ah Plus and MTA Fillapex after irrigation activation with sonic, passive ultrasonic, SWEEPS and XP-Endo Finisher using confocal microscopy. Instrumented root canals of 160 mandibular premolar teeth were allocated randomly to four groups (n = 40/group) and eight subgroups according to the activation techniques and canal sealers (n = 20/subgroup). After the obturation, three sections at 1-2, 5-6 and 9-10 mm levels from the apex were examined. Penetration area and maximum penetration depth values were represented as mean and standard deviation, and results below 0.05 were considered statistically significant. For penetration area and maximum penetration depth, the statistical difference was found in terms of material, device and region (Maximum penetration depth: p = 0.006, p < 0.001, p < 0.001; Penetration area: p = 0.004, p < 0.001, p < 0.001). SWEEPS was found to be relatively higher than other groups. Sealers presented similar results when evaluated independently of the region. The use of SWEEPS for irrigation activation is promising in terms of tubule penetration.
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Affiliation(s)
| | - Sibel Koçak
- Department of Endodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Olcay Özdemir
- Department of Endodontics, Faculty of Dentistry, Karabük University, Karabük, Turkey
| | - Mustafa Murat Koçak
- Department of Endodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Baran Can Sağlam
- Department of Endodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
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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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Özdemir O, Kopac T. Cytotoxicity and biocompatibility of root canal sealers: A review on recent studies. J Appl Biomater Funct Mater 2022; 20:22808000221076325. [PMID: 35164598 DOI: 10.1177/22808000221076325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Many types of endodontic root canal sealers have been employed for the purpose of filling voids and irregularities in root canals, as well as reducing/removing bacterial remnants/remains. Sealers are available in various formulations, and research work to find the most appropriate ones is still ongoing. Recently, many kinds of novel root canal sealers have been introduced under various commercial names. However, most sealers are known to exhibit different levels of cytotoxicity on tissues which would result in prolonged wound healing, inflammation, and bone resorption. Preferably, sealers need to have tolerable biological and physico-chemical properties along with biocompatibility. Additives promoting the biocompatibility and bioactivity of sealers are of major concern in clinical applications. The aim of this review was to compare, evaluate, and analyze comparatively the cytotoxic effects, biocompatibility, and antimicrobial properties of recently used root canal sealers. A comprehensive literature search was made to identify their properties involving biocompatibility and cytotoxicity. In general, the sealers reported in recent literature exhibited favorable biological features in comparison to conventional ones. They promoted better cell viability and biocompatibility. The incorporation of additives influences favorably the potential negative effects. However, it has been highlighted that there is a lack of well-designed long-term clinical applications, and more in vitro and in vivo research work would be helpful to confirm the sustainability of the sealers for further clinical practice.
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Affiliation(s)
- Olcay Özdemir
- Department of Pedodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey.,Department of Endodontics, Faculty of Dentistry, Karabük University, Karabük, Turkey
| | - Turkan Kopac
- Department of Chemistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
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