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Research Article
- Multivariate analysis of the cleaning efficacy of different final irrigation techniques in the canal and isthmus of mandibular posterior teeth
- Yeon-Jee Yoo, WooCheol Lee, Hyeon-Cheol Kim, Won-Jun Shon, Seung-Ho Baek
- Restor Dent Endod 2013;38(3):154-159. Published online August 23, 2013
- DOI: https://doi.org/10.5395/rde.2013.38.3.154
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Abstract
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ePub Objectives The aim of this study was to compare the cleaning efficacy of different final irrigation regimens in canal and isthmus of mandibular molars, and to evaluate the influence of related variables on cleaning efficacy of the irrigation systems.
Materials and Methods Mesial root canals from 60 mandibular molars were prepared and divided into 4 experimental groups according to the final irrigation technique: Group C, syringe irrigation; Group U, ultrasonics activation; Group SC, VPro StreamClean irrigation; Group EV, EndoVac irrigation. Cross-sections at 1, 3 and 5 mm levels from the apex were examined to calculate remaining debris area in the canal and isthmus spaces. Statistical analysis was completed by using Kruskal-Wallis test and Mann-Whitney U test for comparison among groups, and multivariate linear analysis to identify the significant variables (regular replenishment of irrigant, vapor lock management, and ultrasonic activation of irrigant) affecting the cleaning efficacy of the experimental groups.
Results Group SC and EV showed significantly higher canal cleanliness values than group C and U at 1 mm level (
p < 0.05), and higher isthmus cleanliness values than group U at 3 mm and all levels of group C (p < 0.05). Multivariate linear regression analysis demonstrated that all variables had independent positive correlation at 1 mm level of canal and at all levels of isthmus with statistical significances.Conclusions Both VPro StreamClean and EndoVac system showed favorable result as final irrigation regimens for cleaning debris in the complicated root canal system having curved canal and/or isthmus. The debridement of the isthmi significantly depends on the variables rather than the canals.
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Citations
Citations to this article as recorded by
- Efficacy of different irrigant activation techniques for cleaning root canal anastomosis
O. K. Montaser, D. M. Fayyad, N. Abdelsalam
BMC Oral Health.2023;[Epub] CrossRef - Activación ultrasónica durante la preparación bio químico mecánica del tratamiento endodóntico no quirúrgico. Revisión de la literatura
Gisselle Cantanzaro, Nelsin Villaroel, Diana Dorta
ODOUS Científica .2022; 22(2): 135. CrossRef - Heated distilled water with or without continuous ultrasonic irrigation improves final irrigation efficacy and reduces dentine erosion
Michelli Cássia dos Santos, Cleonice da Silveira Teixeira, Lucas da Fonseca Roberti Garcia, Bruno Henriques, Franklin R. Tay, Eduardo Antunes Bortoluzzi
Journal of Dentistry.2020; 103: 103507. CrossRef - Ultrasonic Irrigant Activation during Root Canal Treatment: A Systematic Review
Petruţa E. Căpută, Anastasios Retsas, Lydwien Kuijk, Luis E. Chávez de Paz, Christos Boutsioukis
Journal of Endodontics.2019; 45(1): 31. CrossRef - Irrigation effectiveness of continuous ultrasonic irrigation system: An ex vivo study
Ahmed JAMLEH, Hideaki SUDA, Carlos G. ADORNO
Dental Materials Journal.2018; 37(1): 1. CrossRef - Apical negative pressure irrigation versus syringe irrigation: a systematic review of cleaning and disinfection of the root canal system
E. Konstantinidi, Z. Psimma, L. E. Chávez de Paz, C. Boutsioukis
International Endodontic Journal.2017; 50(11): 1034. CrossRef - Effect of Different Agitation Techniques on the Penetration of Irrigant and Sealer into Dentinal Tubules
Yu Gu, Hiran Perinpanayagam, David J.W. Jin, Yeon-Jee Yoo, Jin-Sun Jeong, Sang-Min Lim, Seok-Woo Chang, Seung-Ho Baek, Qiang Zhu, Kee-Yeon Kum
Photomedicine and Laser Surgery.2017; 35(2): 71. CrossRef - Effectiveness of Sonic, Ultrasonic, and Photon-Induced Photoacoustic Streaming Activation of NaOCl on Filling Material Removal Following Retreatment in Oval Canal Anatomy
Shan Jiang, Ting Zou, Dongxia Li, Jeffery W.W. Chang, Xiaojing Huang, Chengfei Zhang
Photomedicine and Laser Surgery.2016; 34(1): 3. CrossRef - Efficacy of Needle, Ultrasonic, and Endoactivator Irrigation and Photon-Induced Photoacoustic Streaming in Removing Calcium Hydroxide from the Main Canal and Isthmus: AnIn VitroMicro-Computed Tomography and Scanning Electron Microscopy Study
Dongxia Li, Shan Jiang, Xingzhe Yin, Jeffrey Wen Wei Chang, Jie Ke, Chengfei Zhang
Photomedicine and Laser Surgery.2015; 33(6): 330. CrossRef - Effect of three different irrigation solutions applied by passive ultrasonic irrigation
Carmen Llena, Leopoldo Forner, Raquel Cambralla, Adrian Lozano
Restorative Dentistry & Endodontics.2015; 40(2): 143. CrossRef
- Efficacy of different irrigant activation techniques for cleaning root canal anastomosis
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Original Article
- The canal system in the mesiobuccal root of the maxillary first molar
- Dong-Hyun Cho, Ho-Young Choi, Sang-Hyuk Park, Gi-Woon Choi
- J Korean Acad Conserv Dent 2003;28(3):232-240. Published online May 31, 2003
- DOI: https://doi.org/10.5395/JKACD.2003.28.3.232
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Abstract
PDFPubReaderePub
This study is to investigate the canal system in the mesiobuccal root of the maxillry first molar.
61 maxillary first molars were randomly selected. Serial transverse sections were made perpendicular to the long axis of the mesiobuccal root. Each section was placed in 3% sodium hypochlorite for 24 hours and rinsed in water and dried. The resected surface was stained with 2% methylene blue dye and examined with stereomicroscope.
Canal configuration analysis showed that 36.1% of the specimen classified as type I, 16.4% as type II, 37.7% as type III and 9.8% as type IV.
Type II canal was merged in one canal within 1 to 4mm of the apex. 40% of type II canal converged at 2mm of the apex.
Type IV canal was divided into two canal within 2 to 4mm of the apex. 66.6% of type IV canal branched off at 2mm of the apex.
None of the sections had more than two main root canal.
48.4% of the sections in 3mm with two canals contained an isthmusand more than 70% with two canals has isthmus at 4 to 5mm sections.
63.9% of the mesiobuccal root of maxillary first molar had two canaland 76.5% of sections with two canals in 5 MM had an isthmus. Because of this complexity the clinician should always search for extra canal carefullyand root canal system, including an isthmus, should be cleaned and shaped completelyand obturated three dimensionally for successful endodontic treatment.
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