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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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2
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Abat VH, Bayrak GD, Gündoğar M. Assessment of apical extrusion in regenerative endodontics: a comparative study of different irrigation methods using three-dimensional immature tooth models. Odontology 2024:10.1007/s10266-024-00961-x. [PMID: 38913232 DOI: 10.1007/s10266-024-00961-x] [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: 04/13/2024] [Accepted: 06/04/2024] [Indexed: 06/25/2024]
Abstract
To investigate the apical extrusion of sodium hypochlorite in immature permanent teeth caused by conventional syringe irrigation (CSI), EDDY, XP-endo Finisher file (XP-F), and a new laser irrigation activation system [shock-wave-enhanced-emission-photo-acoustic-streaming (SWEEPS)]. Three-dimensionally printed forty-nine teeth with immature central incisor morphology were randomly assigned to seven experimental groups, based on the irrigation activation methods and insertion depths (1 mm and 2 mm short of the working length) as follows: CSI-1, CSI-2, EDDY-1, EDDY-2, XP-1, XP-2, and SWEEPS. Prior to the irrigation activation process, samples were placed in metacresol mixed agar gel in Eppendorf tubes. To evaluate NaOCI extrusion into the gel, each sample was digitally photographed, and the area of apical extrusion was analyzed using ImageJ software. To examine potential significant differences between the continuous variables, the Mann-Whitney U test and Kruskal-Wallis H test, were applied (P = .05). The SWEEPS resulted in a greater amount of apical extrusion compared to the CSI method, regardless of the insertion depth (P < 0.001). The SWEEPS resulted in greater apical extrusion scores compared to EDDY-2 (P < 0.001). The EDDY-1 resulted in greater amount of apical extrusion scores compared to EDDY-2 (P < 0.001). This study, the first to show the effect of the novel SWEEPS technology on NaOCI extrusion, found that irrigation activation can cause different levels of apical extrusion depending on the method and distance from the working length. It is crucial to consider the potential occurrence of apical extrusion when applying activation methods to immature teeth.
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Affiliation(s)
- Vahide Hazal Abat
- Department of Endodontics, Faculty of Dentistry, Uskudar University, Istanbul, Turkey.
| | - Gökçen Deniz Bayrak
- Department of Pediatric Dentistry, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
| | - Mustafa Gündoğar
- Department of Endodontics, Faculty of Dentistry, Medipol University, Istanbul, Turkey
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3
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Vazquez-Alcaraz S, Gancedo-Caravia L, Arias A, Bascones J. Performance of obturation techniques in anatomical irregularities located at different thirds of the root canal system. J Appl Oral Sci 2024; 32:e20230440. [PMID: 38775557 PMCID: PMC11178349 DOI: 10.1590/1678-7757-2023-0440] [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: 12/09/2023] [Revised: 03/13/2024] [Accepted: 04/05/2024] [Indexed: 06/16/2024] Open
Abstract
This study aimed to compare the quality of root canal obturation (ratio of area occupied by gutta-percha (G), sealer (S), and presence of voids (V)) in different anatomical irregularities (intercanal communications, lateral irregularities, and accessory canals) located at different thirds of the root canal system of mandibular molar replicas. Sixty-seven 3D printed replicas of an accessed mandibular molar were prepared using ProGlider and ProTaper Gold rotatory systems. Three specimens were randomly selected to be used as controls and did not receive further treatment. The rest were randomly distributed in 4 experimental groups to be obturated using either cold lateral compaction (LC), continuous wave of condensation (CW), and core-carrier obturation (ThermafilPlus (TH) or GuttaCore (GC)) (n=16 per group). AHPlus® sealer was used in all groups. The three controls and a specimen from each experimental group were scanned using micro-computed tomography. The rest of the replicas were sectioned at the sites of anatomical irregularities and examined at 30× magnification. The G, S, and V ratios were calculated dividing the area occupied with each element by the total root canal area and then compared among groups using the Kruskal-Wallis test. Voids were present in all obturation techniques with ratios from 0.01 to 0.15. CW obtained a significantly higher G ratio in the irregularity located in the coronal third (0.882) than LC (0.681), TH (0.773), and GC (0.801) (p<0.05). TH and GC achieved significantly higher G ratios in those located in the apical third (p<0.05). The worst quality of obturation was observed in the loop accessory canal with all obturation techniques. Whitin the limitations of this study, it can be concluded that CW and core-carrier obturation are respectively the most effective techniques for obturating anatomical irregularities located in the coronal and the apical third.
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Affiliation(s)
- Silverio Vazquez-Alcaraz
- Universidad Complutense de MadridFacultad de OdontologíaDepartamento de Odontología Conservadora y PrótesisEspañaUniversidad Complutense de Madrid, Facultad de Odontología, Departamento de Odontología Conservadora y Prótesis, España
| | - Lucia Gancedo-Caravia
- Universidad Complutense de MadridFacultad de OdontologíaDepartamento de Odontología Conservadora y PrótesisEspañaUniversidad Complutense de Madrid, Facultad de Odontología, Departamento de Odontología Conservadora y Prótesis, España
| | - Ana Arias
- Universidad Complutense de MadridFacultad de OdontologíaDepartamento de Odontología Conservadora y PrótesisEspañaUniversidad Complutense de Madrid, Facultad de Odontología, Departamento de Odontología Conservadora y Prótesis, España
| | - Jaime Bascones
- Universidad Complutense de MadridFacultad de OdontologíaDepartamento de Odontología Conservadora y PrótesisEspañaUniversidad Complutense de Madrid, Facultad de Odontología, Departamento de Odontología Conservadora y Prótesis, España
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Parkar A, Banga KS, Pawar AM, Luke AM. Extrusion of Sodium Hypochlorite in Oval-Shaped Canals: A Comparative Study of the Potential of Four Final Agitation Approaches Employing Agarose-Embedded Mandibular First Premolars. J Clin Med 2024; 13:2748. [PMID: 38792290 PMCID: PMC11121930 DOI: 10.3390/jcm13102748] [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: 04/05/2024] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
Background: The aim of this investigation was to assess the apical extrusion potential of sodium hypochlorite (NaOCl) in agarose-embedded mandibular first premolars employing four final agitation procedures. Methods: Based on CBCT confirmation of single oval-shaped canals, one hundred extracted mandibular first premolars were chosen. Using 5.25% NaOCl, the teeth were prepared using the XP Endo Shaper and divided into experimental and control groups. The following were the experimental groups: Group 1 comprised the XP-Endo Finisher, Group 2 the Ultrasonic Activation, Group 3 the Gentle File Finisher Brush, and Group 4 the 27-gauge side-vented needle. To test extrusion, the teeth were placed in a 0.2% agarose gel that contained the pH-sensitive dye m-cresol purple, allowing pixel quantification via ImageJ software (version 1.54i). Results: The XP Endo Finisher featured the most pixels, depicting higher apical extrusion (p < 0.01), followed by the side-vented needle, Gentle File Finisher Brush, and PUI, while the Control Group endured no extrusion. Conclusions: The effective irrigation method for root canal therapy is critical, especially in situations of open apices, resorption, or perforation. According to in vitro experiments, the XP-Endo Finisher has the maximum sodium hypochlorite extrusion, which is determined by parameters such as apical preparation size and irrigation system.
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Affiliation(s)
- Aalisha Parkar
- Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College, Mumbai 400008, India; (A.P.); (K.S.B.)
| | - Kulvinder Singh Banga
- Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College, Mumbai 400008, India; (A.P.); (K.S.B.)
| | - Ajinkya M. Pawar
- Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College, Mumbai 400008, India; (A.P.); (K.S.B.)
| | - Alexander Maniangat Luke
- Department of Clinical Sciences, College of Dentistry, Ajman University, Al-Jruf, Ajman P.O. Box 346, United Arab Emirates;
- Centre of Medical and Bio-Allied Health Science Research (CMBHSR), Ajman University, Al-Jruf, Ajman P.O. Box 346, United Arab Emirates
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Srivastava S. Root Canal Instrumentation: Current Trends and Future Perspectives. Cureus 2024; 16:e58045. [PMID: 38738101 PMCID: PMC11088362 DOI: 10.7759/cureus.58045] [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] [Accepted: 04/11/2024] [Indexed: 05/14/2024] Open
Abstract
The evolution of root canal instrumentation techniques has significantly impacted the field of endodontics, enhancing both the efficiency and outcomes of treatments. This review outlines the transition from manual to mechanical and rotary instruments, highlighting the role of nickel-titanium (NiTi) alloys and smart technologies in advancing procedural precision and reducing patient discomfort. Key historical developments and technological innovations, such as digital imaging and navigation systems, are explored for their contributions to improved clinical outcomes and patient satisfaction. Additionally, the review addresses the challenges presented by the complex anatomy of the root canal system and the advent of current instrumentation techniques. The potential of emerging trends, including artificial intelligence and advances in materials science, is discussed in the context of future endodontic practices. Despite the progress, challenges related to using advanced instrumentation methods, ethical considerations, and the cost factor of new technologies persist. The present review underscores the ongoing need for research and development to further refine root canal instrumentation techniques, ensuring that advancements in endodontic care remain patient-centered and accessible.
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Affiliation(s)
- Swati Srivastava
- Department of Conservative Dental Sciences, College of Dentistry, Qassim University, Buraidah, SAU
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Kılıç Y, Tulgar MM, Karataşlıoğlu E. Effect of different apical actions of new integrated endodontic motors on apical debris extrusion: An in vitro study. AUST ENDOD J 2024; 50:110-114. [PMID: 37964468 DOI: 10.1111/aej.12814] [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: 06/26/2023] [Revised: 10/12/2023] [Accepted: 10/30/2023] [Indexed: 11/16/2023]
Abstract
The new generation endodontic motors can perform different kinematics when they reach a certain predetermined level thanks to the integrated apex locator system. These actions consist of apical reverse, apical slow down and apical stop. The aim of this study is to compare this action's effect on apical debris extrusion. Sixty extracted human lower premolars were selected. Teeth are divided into four random groups (n = 15). Groups are prepared accordance to their group names as continuous rotation, apical slow down, apical reverse and apical stop. Extruded debris is collected into preweighted Eppendorf tubes and then calculated. One-way ANOVA test showed no statistically significant result between experimental groups. Similar debris extrusion values of all motion modes of the integrated endodontic motor can be interpreted that there will be similar debris extrusion and consequently similar postoperative pain on clinical setting. More in vitro and in vivo research is needed to make a conclusion.
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Affiliation(s)
- Yağmur Kılıç
- Department of Endodontology, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkey
| | - Mustafa Mert Tulgar
- Department of Endodontology, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkey
| | - Emrah Karataşlıoğlu
- Department of Endodontology, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir, Turkey
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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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Pedullà E, Iacono F, Pitrolo M, Barbagallo G, La Rosa GRM, Pirani C. Assessing the impact of obturation techniques, kinematics and irrigation protocols on apical debris extrusion and time required in endodontic retreatment. AUST ENDOD J 2023; 49:623-630. [PMID: 37667824 DOI: 10.1111/aej.12795] [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: 05/13/2023] [Revised: 08/17/2023] [Accepted: 08/27/2023] [Indexed: 09/06/2023]
Abstract
The aim of the study was to evaluate the impact of kinematics and irrigation protocols on the extrusion of apical debris during removal of different obturation techniques. A total of 144 single-rooted teeth were instrumented and obturated with Thermafil+AH Plus, Thermafil+AH Plus Bioceramic and single gutta-percha cone+AH Plus Bioceramic. Samples were divided according to the retreatment kinematics: continuous rotation or Jeni motion. Each sub-group was subjected to conventional irrigation or irrigation activated by EDDY. Extruded debris was collected in Eppendorf tubes, weighted and retreatment time was digitally recorded. Data were analysed with two-way ANOVA (p < 0.05). Debris extrusion was not significantly different between all groups. EDDY activation system and CanalPro Jeni required significantly longer time compared with other groups to remove Thermafil+AH Plus and single cone+AH Plus Bioceramic. Within current limitations, obturation technique, irrigation protocol and kinematics tested had no influence on apical extrusion debris, while they significantly impacted the retreatment time.
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Affiliation(s)
- Eugenio Pedullà
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, Italy
| | | | - Martina Pitrolo
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, Italy
| | | | - Giusy Rita Maria La Rosa
- Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, Italy
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Al Omari TMN, La Rosa GRM, Albanna RHI, Tabnjh A, Papale F, Pedullà E. The effect of different kinematics on apical debris extrusion with a single-file system. Odontology 2023; 111:910-915. [PMID: 36917401 PMCID: PMC10492679 DOI: 10.1007/s10266-023-00802-3] [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: 12/15/2022] [Accepted: 02/27/2023] [Indexed: 03/16/2023]
Abstract
To compare the amount of extruded debris caused by different motions using a single-file system. Fifty mandibular first molar teeth were randomized into 5 groups (n = 10) according to the motion tested: Optimize Torque Reverse (OTR), TF Adaptive Motion (TFA), continuous rotation (CR), reciprocation motion (+ 150°, -30°) (REC), and Jeni motion (Jeni). One Curve single file 25/06 (Micro-Mega, Besançon, France) was used in all experimental groups. The root canals were irrigated with 2.5% NaOCl, and the extruded debris were collected at pre-weighted glass vials. The glass vials were kept inside an incubator for one week at 70 °C to dry out the irrigating solution. The extruded debris was quantified by subtracting the pre-instrumentation from the post-instrumentation weight of the glass vials. The time required for each instrumentation procedure was digitally recorded. All data were analyzed statistically with one way ANOVA and post hoc Tukey test (P < 0.05). All the motions extruded apically debris with Jeni mode caused significantly less debris extrusion than TFA, REC, and CR (P < 0.05) while no significant difference emerged with OTR. Preparation time was not significantly different in all groups. Within the limits of the present study, all the kinematics produced apically debris extrusion, with Jeni reporting a similar amount of debris compared with OTR and significantly less than TFA, REC, and CR. Preparation time was similar among the tested kinematics.
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Affiliation(s)
- Taher M N Al Omari
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Giusy Rita Maria La Rosa
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy.
| | - 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 Science, Faculty of Applied Medical Science, Jordan University of Science and Technology, Irbid, Jordan
| | - Flavia Papale
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Eugenio Pedullà
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
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10
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Koşar T, Çelik D, Taşdemir T. Apically extruded debris of different file systems used with various kinematic movements during retreatment: An in vitro study. AUST ENDOD J 2023; 49 Suppl 1:33-40. [PMID: 36125950 DOI: 10.1111/aej.12690] [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: 03/04/2022] [Revised: 08/05/2022] [Accepted: 09/03/2022] [Indexed: 11/28/2022]
Abstract
This study aimed to examine the amount of apically extruded debris and time during retreatment with five current file systems, which exhibit various kinematic movements. One hundred upper central incisors were shaped with manual files and filled using the thermoplastic injection method. The root canal fillings in each group (n = 20) were removed using the Genius (GN), ProTaper Next (PTN), Reciproc (RCP) Blue, Tango-Endo (TE) and Twisted File Adaptive (TFA) file systems. The apically extruded debris was collected in preweighed Eppendorf tubes. Time to reach working length and total time were also recorded. The PTN, RCP Blue and TFA instruments caused significantly less apically extruded debris and shorter total retreatment time than the GN and TE file systems (p < 0.05). The time to reach the working length was the shortest in the PTN group compared to the other groups (p < 0.05). All file systems extruded debris while removing the root canal filling.
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Affiliation(s)
- Tuğba Koşar
- Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
| | - Davut Çelik
- Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
| | - Tamer Taşdemir
- Department of Endodontics, Faculty of Dentistry, Karadeniz Technical University, Trabzon, Turkey
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11
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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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12
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Gayatri S, Mathew S, Kumaravadivel K, Thangavel B, Thangaraj DN, Shaji A. Evaluation of Apically Extruded Debris During Retreatment Procedures Using Various File Systems in Teeth With Simulated Apical Root Resorption: An In Vitro Study. Cureus 2023; 15:e40904. [PMID: 37492825 PMCID: PMC10365891 DOI: 10.7759/cureus.40904] [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] [Accepted: 06/24/2023] [Indexed: 07/27/2023] Open
Abstract
Aim The aim of this study was to compare the amount of debris produced apically during the removal of root canal obturating material by using various files in extracted teeth with simulated apical root resorption. Materials and methods An in vitro study was conducted in the root canals of 90 extracted mandibular premolar teeth that were prepared with a ProTaper Gold rotary file (Dentsply Maillefer, Ballaigues, Switzerland) and filled with gutta-percha and an AH Plus sealer (Dentsply Maillefer, Ballaigues, Switzerland) using a cold lateral compaction technique. A total of 45 mandibular premolar teeth were randomly assigned to three control groups (i.e., the ProTaper Universal retreatment file (Dentsply Maillefer), the Reciproc Blue file (VDW, Munich, Germany), and the HyFlex Remover file (Coltene/Whaledent, Altstatten, Switzerland) for the removal of root canal filling material, whereas the remaining 45 teeth were treated as the experimental group and their apical portion was modified to simulate apical root resorption. The teeth of this experimental group were randomly divided into three subgroups according to the same three techniques used with the control groups for the removal of root canal filling materials. The apically extruded debris was collected into pre-weighed borosilicate glass tubes and then dried. The mean weight of the apically extruded debris was assessed using an analytical balance to an accuracy of 10-4 g. Further, the data were analyzed using the Kruskal-Wallis test and Tukey's post hoc test. Results In the simulated apical root resorption groups, all file systems were associated with significantly more debris extrusion than the groups without simulated root resorption (a < 0.05). In both the control groups and experimental groups, the ProTaper Universal retreatment file was associated with the least weight of the apically extruded debris (a < 0.05), followed by the Reciproc Blue file and the HyFlex Remover file. Conclusion The amount of debris extruded apically was significantly greater in the teeth with simulated apical root resorption than in those without it. Further, during the removal of the root canal filling materials, HyFlex Remover was associated with significantly more apically extruded debris in all groups.
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Affiliation(s)
- Sasti Gayatri
- Conservative Dentistry and Endodontics, KSR Institute of Dental Science and Research, Tiruchengode, IND
| | - Sebeena Mathew
- Conservative Dentistry and Endodontics, KSR Institute of Dental Science and Research, Tiruchengode, IND
| | - Karthick Kumaravadivel
- Conservative Dentistry and Endodontics, KSR Institute of Dental Science and Research, Tiruchengode, IND
| | - Boopathi Thangavel
- Conservative Dentistry and Endodontics, KSR Institute of Dental Science and Research, Tiruchengode, IND
| | - Deepa N Thangaraj
- Conservative Dentistry and Endodontics, KSR Institute of Dental Science and Research, Tiruchengode, IND
| | - Athira Shaji
- Conservative Dentistry and Endodontics, KSR Institute of Dental Science and Research, Tiruchengode, IND
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13
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Al-Saffar FB, Al-Gharrawi HA. A Comparative Evaluation of the Apically Extruded Debris from Root Canals Prepared by R-Motion NiTi File System. Int J Dent 2023; 2023:5731248. [PMID: 37152476 PMCID: PMC10156454 DOI: 10.1155/2023/5731248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/07/2023] [Accepted: 04/07/2023] [Indexed: 05/09/2023] Open
Abstract
Background Apically extruded debris (AED) is an inherent concern during root canal treatment for both endodontists and general practitioners. The present study investigates the AED of the novel R-Motion single-file reciprocating system compared to standard single reciprocating and multifile rotary systems. Materials and Methods Fifty-six moderately curved palatal roots of upper maxillary first molars were selected for the present study. The samples were then divided randomly into four groups (n = 14)- Group I: R-motion (RM), Group II: WaveOne Gold (WOG), Group III: ProTaper Next (PTN), and Group IV: HyFlex EDM (HFEDM). The researcher has modified Myers and Montgomery's method to simulate human body temperature. Vials were used to collect debris and weighted using a 0.00001 sensitive balance before and after instrumentation. The instrumentation of all experimented groups was done at 37°C, terminated at master apical file #25. An auto syringe with a side vented needle was used to deliver 8 ml of deionized water for irrigation of each sample during preparation. Vials were stored in a dry sealed desiccator which contained CaSO4 crystals, for 24 hr before weighing. The weight of the collected debris was obtained by subtracting the preinstrumentation weight from the postinstrumentation weight for each vial. The Kruskal-Wallis and Mann-Whitney U tests were performed to analyse the statistical difference in the amount of debris between the tested groups at a 0.05 significance level. Results The RM system produced less debris extrusion than all tested groups, with a significant difference between the former and the WOG and the PTN systems. However, WOG, PTN, and HFEDM showed no statistically significant difference in the amount of AED. Conclusion All tested groups produced apical debris in different amounts. The RM produced substantially less AED than WOG and PTN. Meanwhile, WOG, PTN, and HFEDM caused a comparable amount of AED.
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Affiliation(s)
- Farah B. Al-Saffar
- Department of Conservative Dentistry, College of Dentistry, Mustansiriyah University, Baghdad 10001, Iraq
| | - Hikmet A. Al-Gharrawi
- Department of Conservative Dentistry, College of Dentistry, Mustansiriyah University, Baghdad 10001, Iraq
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