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Immich F, de Araújo LP, da Gama RR, da Rosa WLDO, Piva E, Rossi-Fedele G. Fifteen years of engine-driven nickel-titanium reciprocating instruments, what do we know so far? An umbrella review. AUST ENDOD J 2024; 50:409-463. [PMID: 38923176 DOI: 10.1111/aej.12870] [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: 05/20/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024]
Abstract
Numerous systematic reviews (SRs) have produced conflicting findings on engine-driven nickel-titanium reciprocating instruments (reciprocating instruments) since Yared's seminal study 15 years ago. This umbrella review analysed SRs examining the clinical and laboratory evidence regarding reciprocating instruments for root canal treatment. SRs that evaluated qualitatively and/or quantitatively the outcomes postoperative pain, oral health-related quality of life (OHRQoL), shaping ability, debris extrusion, microbial load, endotoxins reduction, cyclic fatigue, file fracture, dentinal cracks and root canal filling removal were included. The AMSTAR 2 tool was used to evaluate SRs quality, while the ROBIS tool to assess risk of bias (RoB). Forty SRs were included. The SRs revealed predominantly 'high' RoB and 'critically low' quality. Most focused on technical outcomes, exhibiting significant methodological and statistical heterogeneity. Findings suggest comparable efficacy between reciprocating and rotary instruments. However, due to the scarcity of high-quality evidence, future well-designed studies and reviews considering core outcome measures are needed.
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Affiliation(s)
- Felipe Immich
- Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil
| | - Lucas Peixoto de Araújo
- Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil
- School of Dentistry, Catholic University of Pelotas, Pelotas, Brazil
| | | | | | - Evandro Piva
- Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil
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Al Omari T, Atmeh AR, Algahtani FN, Dkmak A, Albanna RHI, Tabnjh A. The effect of irrigation solution temperature and novel heat-treated rotary files on apical debris extrusion and canal preparation time. AUST ENDOD J 2024. [PMID: 39022875 DOI: 10.1111/aej.12878] [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: 03/26/2024] [Revised: 06/27/2024] [Accepted: 07/07/2024] [Indexed: 07/20/2024]
Abstract
This study aimed to compare apical debris extrusion and canal preparation time with ProTaper Gold (PTG) and ProTaper Ultimate (PTU) files at different temperatures. Mesio-buccal roots of 60 mandibular first molars were distributed into six groups depending on the file type (PTG, PTU) and irrigation solution temperature (20, 37, 45°C). During instrumentation, extruded debris were collected and weighed to measure the mass in milligrams. The canal preparation time was recorded in seconds. ANOVA followed by Bonferroni post-hoc tests were used for analysis. The amount of debris extrusion was significantly higher in PTU, which was affected by the irrigation solution temperature (p < 0.05). The difference in canal preparation time was not significant between the two file systems, however, it was significant between the different temperatures (p = 0.001). Both file systems had shorter canal preparation times at 20°C. The irrigation solution temperature could influence the debris extrusion and time of canal preparation.
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Affiliation(s)
- Taher Al Omari
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Amre R Atmeh
- Hamdan Bin Mohammed College of Dental Medicine (HBMCDM), Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai, United Arab Emirates
| | - Fahda N Algahtani
- Department of Clinical Dental Sciences, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Alaa Dkmak
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Rami Haitham Issa Albanna
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Abedelmalek Tabnjh
- Department of Applied Dental Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
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Ahmad MZ. Assessment of Debris Extrusion in Curved Canals: An In Vitro Analysis of Various Single-File Endodontic Instrumentation Systems. Int J Dent 2024; 2024:8367693. [PMID: 39007058 PMCID: PMC11245337 DOI: 10.1155/2024/8367693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 04/27/2024] [Accepted: 05/31/2024] [Indexed: 07/16/2024] Open
Abstract
Objectives Rotary single-file endodontic systems are commonly used for root canal treatment. However, very few studies have evaluated the apical extrusion of debris generated by these systems during canal preparation at normal body temperature in laboratory conditions. The aim of this study was to evaluate the amount of apically extruded debris caused by seven different single-file endodontic instrumentation systems at body temperature in mandibular molar teeth with curved root canals. Methods One hundred forty mandibular first permanent molars were randomly divided into seven groups (n = 20) to be prepared by one of the following systems at 35°C: Reciproc Blue (REC Blue), WaveOne Gold (WOG), One Reci (OR), Neoniti, HyFlex EDM (HEDM), One Curve (OC), or XP Shaper (XPS). Debris was collected into preweighted Eppendorf tubes. The weight of the extruded debris was recorded by subtracting the weight of the tooth-free apparatus from the post-procedure weight. Data were analyzed by one-way ANOVA and Tukey's tests (p < 5%). Results REC Blue, WOG, and OR groups extruded significantly more debris from the apex than XPS, OC, and Neoniti groups (p < 0.05). No significant difference was observed among the XPS, OC, Neoniti, and HEDM groups (p > 0.05). Conclusion All the instruments were associated with debris extrusion. However, REC Blue, WOG, and OR extrude significantly more debris than other instruments. The amount of debris with different files was REC Blue > OR > WOG > HEDM > OC > Neoniti > XPS. XPS, Neoniti, and OC caused significantly less extrusion of debris than REC Blue, WOG, and OR.
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Affiliation(s)
- Muhammad Zubair Ahmad
- Department of Conservative Dental Sciences College of Dentistry Qassim University, Buraydah 52571, Saudi Arabia
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Uzunoğlu Özyürek E, Küçükkaya Eren S, Karahan S. Effect of treatment variables on apical extrusion of debris during root canal retreatment: A systematic review and meta-analysis of laboratory studies. J Dent Res Dent Clin Dent Prospects 2024; 18:1-16. [PMID: 38881644 PMCID: PMC11179139 DOI: 10.34172/joddd.40501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 12/06/2023] [Indexed: 06/18/2024] Open
Abstract
Background This study aimed to systematically and comprehensively review the effect of various treatment variables on apically extruded debris (AED) during non-surgical root canal retreatment (NSRCRT). Methods The study protocol is shared in the Open Science Framework database (https://osf.io/kjtdg/?view_only=17060180705745ec9dae9a01614f3880). An electronic search was conducted up to July 2022 to reveal related studies. Two reviewers critically assessed the studies for eligibility against inclusion and exclusion criteria and data extraction. Quantitative data synthesis was performed, and the risk of bias in the studies was also evaluated. Results Forty-six studies were included in the systematic review and 14 in the meta-analysis. Conflicting or limited evidence was found for the effect of sealer type, obturation technique, and solvent use. The manual instrumentation increased the amount of AED compared to rotary instrumentation during the removal of filling materials (P<0.001). There was no significant difference in the amount of AED between the use of rotary and reciprocating files during the removal of filling materials (P=0.181). Conclusion Rotary instruments can be recommended instead of manual instruments during the removal of filling materials to control the amount of AED. Further studies with a low risk of bias are needed to clarify the effect of other treatment variables on AED during NSRCRT.
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Affiliation(s)
- Emel Uzunoğlu Özyürek
- Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
| | - Selen Küçükkaya Eren
- Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
| | - Sevilay Karahan
- Department of Endodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey
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Reynette C, Giess R, Davril J, Martrette JM, Mortier É, Balthazard R, Vincent M. Influence of endodontic motors on the behaviour of root canal shaping instruments: an in vitro comparative study. BDJ Open 2023; 9:51. [PMID: 38030624 PMCID: PMC10687023 DOI: 10.1038/s41405-023-00179-z] [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: 09/10/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
AIMS The endodontic literature reports a lot of comparative study on endodontic instruments, concerning as well their geometry, instrumental dynamics, material, mechanical behavior or heat treatment. However, to our knowledge, no study has focused on the influence of endodontic motors on the shaping abilities of endodontic instruments. Thus, the aim of this study was to analyze the influence of the endodontic motors on root canal shaping instruments. METHOD Dual Move (MICRO-MEGA, Besançon, France), Canal Pro CL2i (COLTENE, Alstätten, Suisse), Canal Pro Jeni Motor (COLTENE, Alstätten, Suisse), Ai Motor (WOODPECKER, Guilin, China), Wave One motor (VDW, Postfach, Munich) and Smart A (WOODPECKER, Guilin, China) were pre-clinically compared in continuous rotation and reciprocating motion on a traction/compression bench using resin blocks. Canal shaping in continuous rotation and reciprocating motion were performed with One Curve and One RECI instruments (MICRO-MEGA, Besançon, France), respectively. The penetration/removal forces, making it possible to objectify the cutting effect and screwing effect of the instruments during root canal shaping, were analyzed. RESULTS The results showed (i) that endodontic motors influence the mechanical behavior of endodontic instruments, (ii) that the influence of the motors is essentially felt during reciprocating motion and (iii) that the reciprocating angles influence the mechanical behavior of endodontic instruments. CONCLUSION Only endodontic instruments are widely studied in literature while endodontic motors have a direct influence on root canal treatment. This study analyzes the influence of the endodontic motors on root canal shaping instruments. This study tends to demonstrate that Jeni Motor could optimize the mechanical behavior of endodontic instruments.
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Affiliation(s)
| | - Renaud Giess
- Départment de Dentisterie Restauratrice et Endodontie, Faculté d'odontologie de Lorraine, Université de Lorraine, Nancy, France
- CNRS, IJL, Université de Lorraine, Nancy, France
| | - Jeanne Davril
- Départment de Dentisterie Restauratrice et Endodontie, Faculté d'odontologie de Lorraine, Université de Lorraine, Nancy, France
| | - Jean-Marc Martrette
- Départment de Dentisterie Restauratrice et Endodontie, Faculté d'odontologie de Lorraine, Université de Lorraine, Nancy, France
- Université de Lorraine, Faculté de Médecine, EA 3450, Développement, Adaptation et Handicap, Nancy, France
| | - Éric Mortier
- Départment de Dentisterie Restauratrice et Endodontie, Faculté d'odontologie de Lorraine, Université de Lorraine, Nancy, France
- CNRS, IJL, Université de Lorraine, Nancy, France
| | - Rémy Balthazard
- Départment de Dentisterie Restauratrice et Endodontie, Faculté d'odontologie de Lorraine, Université de Lorraine, Nancy, France
- CNRS, IJL, Université de Lorraine, Nancy, France
| | - Marin Vincent
- Départment de Dentisterie Restauratrice et Endodontie, Faculté d'odontologie de Lorraine, Université de Lorraine, Nancy, France.
- CNRS, LEM3, Université de Lorraine, Metz, France.
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de Almeida Gardelin V, Vinholes JIAM, Grazziotin-Soares R, Pappen FG, Barletta FB. Influence of rotary and reciprocating kinematics on the accuracy of an integrated apex locator. AUST ENDOD J 2023; 49 Suppl 1:202-208. [PMID: 36401568 DOI: 10.1111/aej.12717] [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: 04/01/2022] [Revised: 09/03/2022] [Accepted: 11/06/2022] [Indexed: 09/17/2023]
Abstract
We evaluated in vitro the influence of nickel-titanium instruments kinematics on the accuracy and variation of root canal working length measurements, performed with an integrated apex locator, at glide path and at the end of shaping. Forty-four mandibular incisors, included in an alginate model, were allocated at random to two groups: reciprocating and rotary. Working length was determined at glide path stage and at the end of shaping. Measurements given by the integrated apex locator were matched with visual measurements. The apex locator accuracy was based on inter-group comparison. The variation in working length was based on intra-group comparison. Kinematics influenced the accuracy of measurements only after shaping (p < 0.05), and not in the glide path (p > 0.05). Rotary had values closer to the visual measurements. Diminishing of measures occurred after shaping for reciprocating (p < 0.05); and at glide-path stage for rotary (p > 0.05). The integrated apex locator was more accurate with rotary kinematics.
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Affiliation(s)
| | | | - Renata Grazziotin-Soares
- Endodontics Division, Oral Biological and Medical Sciences Department, Faculty of Dentistry, University of British Columbia, UBC, Vancouver, British Columbia, Canada
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Laslami K, Khaldoune S, Sy A, Drouri S, Benkiran I. Apical Extrusion: Is It an Inherent Occurrence During Every Endodontic Treatment? Cureus 2023; 15:e45211. [PMID: 37720124 PMCID: PMC10504573 DOI: 10.7759/cureus.45211] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2023] [Indexed: 09/19/2023] Open
Abstract
The aim of this literature review was to analyze all available scientific data on apical extrusion and to identify and associate the possible factors influencing the occurrence of apical extrusion, ranging from the choice of the canal shaping system, the irrigation technique, to the choice of diameter and the apical limit of preparation. A bibliographic search for relevant articles on apical extrusion of debris, irrigants, and bacteria was performed using the following databases: PubMed, Cochrane Library, and ScienceDirect. This search identified articles published between 2010 and 2023 in two languages (French and English). After selective sorting, 25 relevant documents were included. All the studies retained clearly agree on the inherent nature of apical extrusion during endodontic treatment. At the same time, we also understand that the amount of extrusion can be influenced by a number of parameters throughout endodontic therapy. According to this review, despite the undeniable nature of apical extrusion during endodontic therapy, studies with relatable experimental models that approach in vivo conditions are required to establish exploitable conclusions regarding apical extrusion and its prevention.
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Affiliation(s)
- Kaoutar Laslami
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, University Hassan II, Casablanca, MAR
| | - Salma Khaldoune
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, University Hassan II, Casablanca, MAR
| | - Aly Sy
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, University Hassan II, Casablanca, MAR
| | - Sofia Drouri
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, University Hassan II, Casablanca, MAR
| | - Imane Benkiran
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Medicine, University Hassan II, Casablanca, MAR
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Yu D, Guo L, Gao J, Liu J, Yang D. Evaluation of apical extrusion of debris and centering ability in different nickel-titanium files during curved root canal preparation. BMC Oral Health 2023; 23:395. [PMID: 37322508 PMCID: PMC10273756 DOI: 10.1186/s12903-023-03070-3] [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: 12/20/2022] [Accepted: 05/22/2023] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND Curved root canals lead to difficulties in cleaning, shaping and filling the root canal system. Apical extrusion of debris and root canal transportation are important factors causing postoperative complications. In clinical practice, commonly selected instruments include multifile NiTi systems, such as M3-Pro PLUS (M3-PRO), Orodeka Plex 2.0 (ODP), Rotate (ROT), and Protaper Gold (PTG), as well as single-file NiTi systems, such as M3-L Platinum 2019 (M3L), Waveone Gold (WOG), and Reciproc Blue (RCB). This study aimed to comprehensively evaluate the differences in the apical extrusion of debris and centering ability of the above NiTi files. METHODS Seventy 3D-printed resin teeth were used (n = 10). The apically extruded debris was collected in a preweighed centrifuge tube. The resin teeth with or without root canal preparation were cut into separate cross sections at 1 mm, 3 mm, 5 mm, and 7 mm away from the root apex, and then the root canal transportation and centering ratio of each cross section were calculated. RESULTS Apical extrusion of debris was highest in RCB but lowest in OD-P (P < 0.05). Root call deviation was lowest in ROT at the 3 mm level, in PTG at the 5 mm level, and in PTG and ROT at the 7 mm level (P < 0.05). The centering ratio of NiTi files was highest in the RCB group at the 3 mm level, in the PTG group at the 5 mm level, in the ROT group at the 7 mm level (P < 0.05). CONCLUSIONS For NiTi files with the same system, the cross-sectional design is the greatest factor affecting the extrusion of debris, and motion mode is the second. In addition, the multifile system could reduce the degree of root canal transportation.
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Affiliation(s)
- Dongsheng Yu
- Northern Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, 404100, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 404100, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, 404100, China
| | - Li Guo
- Northern Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, 404100, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 404100, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, 404100, China
| | - Jing Gao
- Northern Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, 404100, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 404100, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, 404100, China
| | - Jie Liu
- Northern Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, 404100, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 404100, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, 404100, China
| | - Deqin Yang
- Northern Department of Endodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, 404100, China.
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing, 404100, China.
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing, 404100, China.
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