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Terauchi Y, Torabinejad M, Wong K, Bogen G. Reprint of: The Effect of Mineral Trioxide Aggregate Obturation Levels on the Outcome of Endodontic Retreatment: An Observational Study. J Endod 2024; 50:472-482. [PMID: 38385933 DOI: 10.1016/j.joen.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
INTRODUCTION No clinical studies have examined the effect of mineral trioxide aggregate (MTA) obturation levels on the outcome of endodontic retreatment. This retrospective study examined treatment outcomes in three cohorts that compared overfilling, flush filling, and underfilling after orthograde retreatment using MTA. METHODS Two hundred fifty patients with 264 teeth diagnosed with previously treated root canals and apical periodontitis retreated in a private endodontic practice were included. All teeth received MTA obturation and the extent of the final filling level was measured in relation to the major apical foramen. After 6-month follow-ups, all nonhealing cases were treated surgically. After 24- to 72-month reviews, the effect of preoperative lesion size and the degree of MTA obturation level were assessed. Multiple linear regression and time-to-event analysis using Stata 17 software (StataCorp LLC, College Station, TX) were used to evaluate the data. RESULTS Within the three cohorts, 99 out of 108 overfilled teeth (91.7%), 90 out of 103 flush fills (87.4%), and 10 out of 53 underfilled teeth (18.9%) healed and were successfully retreated without surgery at 48-months. When surgical outcomes were included, the combined healed proportion was 93.2%. Preoperative lesion size was found to be an important predictor for retreatment nonhealing. A 1-mm increase in lesion size at baseline resulted in an estimated 11% (95% CI 1.04, 1.18)-38% (95% CI 1.22, 1.58) increase in the risk of surgery. Compared to overfilling and flush filling, underfilling was associated with an approximately three-fold increase in requiring surgery and characterized by delayed healing. CONCLUSION MTA obturation is a viable retreatment option for teeth with nonhealing endodontic treatment. MTA overfills or flush fillings do not adversely affect healing outcomes. However, MTA underfilling increases the chances for nonhealing and surgical intervention.
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Affiliation(s)
| | - Mahmoud Torabinejad
- Department of Endodontics, School of Dentistry, Loma Linda University, Loma Linda, California
| | - Kingsley Wong
- Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia
| | - George Bogen
- Department of Endodontics, University of Queensland, School of Dentistry, Brisbane, Queensland, Australia.
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Chawla S, Kumar T, Mittal S, Keshav V, Gilhotra V, Kaur P. A Comparative Evaluation of Fracture Resistance of Endodontically Treated Teeth Using Different Post- Obturation Restorative Materials: An In Vitro Study. J Pharm Bioallied Sci 2024; 16:S343-S345. [PMID: 38595597 PMCID: PMC11000872 DOI: 10.4103/jpbs.jpbs_554_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 04/11/2024] Open
Abstract
This in vitro study was conducted to evaluate and compare the fracture resistance of endodontically treated teeth using different post-obturation restorative materials. Seventy-five non-carious extracted human teeth were collected. Access opening, chemicomechanical preparation, and obturation were done. Teeth were randomly divided into various groups depending on the type of post-endodontic restoration: group I-control group, group II-Tetric-N-Flow Bulk Fill, group III-Tetric-N-Flow Bulk Fill + everX Posterior, group IV-P60, and group V-P60 + everX Posterior. The fracture resistance of each sample was measured using the universal testing machine. Results The results obtained were subjected to statistical analysis. This demonstrated that group III (Tetric-N-Flow Bulk Fill + everX Posterior) was shown to be the most effective group followed by group V (Filtek P60 + everX Posterior) out of all of the other restorative experimental groups. Conclusion Tetric-N-Flow Bulk Fill + everX Posterior showed maximum fracture resistance among the experimental groups.
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Affiliation(s)
- Simran Chawla
- Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
| | - Tarun Kumar
- Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
| | - Sunandan Mittal
- Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
| | - Vanita Keshav
- Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
| | - Vidushi Gilhotra
- Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
| | - Prabhprit Kaur
- Department of Conservative Dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India
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Torres-Carrillo AJS, Assis HC, Salazar-Gamarra RE, Teodosio LM, Silva-Sousa AC, Mazzi-Chaves JF, Ferreira-Soares PB, Sousa-Neto MD, Lopes-Olhê FC. Evaluation of Different Techniques and Materials for Filling in 3-dimensional Printed Teeth Replicas with Perforating Internal Resorption by Means of Micro-Computed Tomography. J Endod 2024; 50:205-212. [PMID: 37918796 DOI: 10.1016/j.joen.2023.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023]
Abstract
INTRODUCTION The aim of this study was to evaluate the filling ability of 2 obturation techniques in 3-dimensional (3D) printed teeth with perforating internal resorption (PIR). METHODS A maxillary central incisor was instrumented and scanned by micro-computed tomographic (micro-CT) imaging. The 3D model was exported in the stereolithographic format and, with the aid of OrtogOnBlender software (Cícero Moraes, Sinop, SP, Brazil), a PIR in the middle third of the root canal was designed. Thirty-two replicas were printed in surgical resin and distributed into 4 groups (n = 8) according to the obturation technique and the material used: 2 groups used the hybrid technique, 1 with Bio-C Sealer (BCS; Angelus, Londrina, PR, Brazil)/gutta-percha (GP; VDW GmbH, Munich, Germany) + Bio-C Repair (BCR; Angelus, Londrina, PR, Brazil) and the other with BioRoot (BR; Septodont, Saint Maur des Fosses, France)/gutta-percha (GP) + Biodentine (BD; Septodont, Saint Maur des Fosses, France), and 2 groups used the incremental technique, 1 with BCR and the other with BD. Postobturation micro-CT imaging was performed to measure the percentage volume of voids and laser confocal microscopy to measure the surface roughness (μm) of the repair cements. Data were compared using analysis of variance and Kruskal-Wallis tests. RESULTS Regarding the filling volume in the apical third, the BCS/GP + BCR (89.70 ± 5.15), BR/GP + BD (87.70 ± 8.43), and BCR (84.20 ± 9.00) groups showed the highest percentages compared with the BD group (69.70 ± 6.88) (P < .05). In the area of internal resorption, the BCS/GP + BCR (96.00 ± 2.64) and BCR (95.30 ± 2.93) groups showed the highest percentages compared with the BR/GP + BD group (91.50 ± 1.35) (P < .05). The BD group showed intermediate values that were sometimes similar to the BCS/GP + BCR and BCR groups and similar to the BR/GP + BD group (P > .05). Regarding the quality of the filling in the perforation area, the BCR group showed better results compared with the BD group (P < .001). Regarding roughness, the BCR group (1.66 ± 0.65) showed lower surface roughness compared with the BD group (2.51 ± 0.89) (P < .05). CONCLUSIONS The capacity and quality of the filling in teeth with PIR were superior with the incremental technique with BCR and the hybrid technique with BCS/GP + BCR.
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Affiliation(s)
- Angelo J S Torres-Carrillo
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Helena C Assis
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Rodrigo E Salazar-Gamarra
- Faculty of Sciences of Life and Health, School of Dentistry, Digital Dentistry Lab, Universidad Científica del Sur, Lima, Peru
| | - Leonardo Moreira Teodosio
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Alice C Silva-Sousa
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Jardel F Mazzi-Chaves
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Manoel D Sousa-Neto
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Fabiane C Lopes-Olhê
- Department of Restorative Dentistry, Dental School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.
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Shaik I, Kusuma M, Elsayed M, Veluru K, Nabeel A, Sindhura R. Periapical Healing Outcome of Endodontic Re-Treatment Using Calcium Silicates Versus Resin-Based Sealers: A Systematic Review. J Pharm Bioallied Sci 2024; 16:S90-S92. [PMID: 38595341 PMCID: PMC11001009 DOI: 10.4103/jpbs.jpbs_556_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 08/18/2023] [Accepted: 08/29/2023] [Indexed: 04/11/2024] Open
Abstract
Aim This systematic review was conducted with the purpose of analyzing the effects of root-end sealers in endodontic re-treatment cases and comparing calcium-based sealers with sealers, which were resin-based. Methodology We conducted this review based on the principles of Cochrane systematic type of studies and also based on guidelines of Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA). An exhaustive search was conducted across PubMed, Medline, and Embase databases for the studies, which were based on root end sealers in cases of endodontic re-treatments. The data were then analyzed statistically with the help of SPSS 25.0. Results It was seen that when comparing pain levels in post-obturation cases with these sealers after 24 hours and 48 hours, not much of statistically noteworthy differences were evident. Mean difference (MD) values at 24 hours were -0.20 with confidence intervals between -0.44 and 0.07 and P value of 0.15, whereas in case of 48 hours, MD was -0.36, CI- 0.65, and P value was 0.03. However, the results were slightly better with calcium-based sealers. Conclusion Calcium silicate-based root end obturation sealers had similar performance when compared to resin-based sealers when we compared variables like pain intensity, etc.
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Affiliation(s)
- Izaz Shaik
- Lakewood Family Dental, Bloomington, Illinois, USA
| | | | | | - Keerthini Veluru
- Government Dental College and Hospital, Hyderabad, Telangana, India
- Masters in Health Informatics at University of North Texas, Texas, USA
| | | | - Ravi Sindhura
- Sibar Dental College and Hospital, Takkellapadu, Guntur, Andhra Pradesh, India
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Sarangi S, Chandak M, Sedani S, Agrawal P, Nadgouda M, Shirbhate U. Unveiling the Enigma: A Confluence of Two Case Reports for the Negotiation of Mid-Mesial Canals. Cureus 2024; 16:e51746. [PMID: 38318573 PMCID: PMC10840594 DOI: 10.7759/cureus.51746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/06/2024] [Indexed: 02/07/2024] Open
Abstract
Mandibular molars display a wide spectrum of intricate anatomical variations among the Indian population. This case report details the diagnosis and successful endodontic management of a mid-mesial canal in the mandibular first molar tooth, emphasizing the importance of radiographic imaging and meticulous instrumentation. The patient presented with symptoms of irreversible pulpitis that led to accurate relief of symptoms after shaping and cleaning protocols were followed. This case series discusses the challenges encountered during canal negotiation, cleaning, shaping, and obturation, providing insights into the complexities associated with mid-mesial canals.
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Affiliation(s)
- Swayangprabha Sarangi
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Manoj Chandak
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Shweta Sedani
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Paridhi Agrawal
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Mrinal Nadgouda
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Unnati Shirbhate
- Department of Periodontics, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Sharma K, Maria R, Durga Dutta S, Semwal M, Srija K, Pawar M, Dagli N, Niranjan Mehta D. Evaluation of obturation techniques in primary teeth among Indians. Bioinformation 2023; 19:1324-1328. [PMID: 38415036 PMCID: PMC10895539 DOI: 10.6026/973206300191324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/31/2023] [Accepted: 12/31/2023] [Indexed: 02/29/2024] Open
Abstract
Evaluation of four distinct obturating methods namely endodontic pressure syringe (n=40), reamers (n=40), Lentulo spirals driven through slow-speed handpiece (n=40) and incremental filling technique (n=4) using zinc oxide eugenol (ZOE) paste as obturating material in deciduous teeth is of interest to dentist. Hence, we are interested determining the effective obturation methodology using CBCT. Handpiece driven lentuspirals helped in optimum obturation in high percentage of root canals. Low percentage of optimally filled root canals was observed in reamers technique. Moreover, under filled root canals was low in lentuspirals technique of obturation. Thus, overfilled root canals were high in endodontic pressure syringe and reamers obturation technique.
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Affiliation(s)
- Karuna Sharma
- Department of Pediatric and Preventive Dentistry, Rama Dental College, Hospital and Research Centre, Kanpur, U.P., India
| | - Rahul Maria
- Department of Conservative Dentistry and Endodontics, Jaipur Dental College, Jaipur, Rajasthan, India
| | - Smita Durga Dutta
- Department of Conservative Dental Sciences and Endodontics, Qassim University, Saudi Arabia
| | - Mansi Semwal
- Department of Pediatric and Preventive Dentistry, Babu Banarasi Das College of Dental Sciences, BBDU, Lucknow, India
| | - Kodali Srija
- Department of Pediatric and Preventive Dentistry, Supraja Dental Clinic, Moti Ngar, Hyderabad, Telangana, India
| | - Madhura Pawar
- Department of Pediatric and Preventive Dentistry, Dr D Y Patil Dental College and Hospital, Dr D Y Patil Vidyapeeth, Pimpri, Pune, India
| | - Namrata Dagli
- Karnavati Scientific Research Centre, Karnavati School of Dentistry, Karnavati University, Gandhinagar, India
| | - Dhaval Niranjan Mehta
- Department of Oral Medicine and Radiology, Narsinbhai Patel Dental college and Hospital, Sankalchand Patel University, Visnagar, Gujarat, India
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Sfeir G, Bukiet F, Kaloustian MK, Kharouf N, Slimani L, Casel B, Zogheib C. Evaluation of the Impact of Calcium Silicate-Based Sealer Insertion Technique on Root Canal Obturation Quality: A Micro-Computed Tomography Study. Bioengineering (Basel) 2023; 10:1331. [PMID: 38002455 PMCID: PMC10669346 DOI: 10.3390/bioengineering10111331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/10/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Calcium silicate-based sealers have gained in popularity over time due to their physicochemical/biological properties and their possible use with single-cone obturation. The single cone technique is a sealer-based obturation and there is still a knowledge gap regarding the potential impact of the sealer insertion method on the root canal-filling quality. Therefore, the aim of this micro-CT study was to assess the impact of the calcium silicate-based sealer insertion technique on void occurrence and on the sealer extrusion following single-cone obturation. METHODS Thirty-six single-rooted mandibular premolars with one canal were shaped with Reciproc® R25 (VDW, Munich, Germany) then divided randomly into four groups of nine canals, each depending on the TotalFill® BC Sealer insertion technique used with single cone obturation: injection in the coronal two-thirds (group A); injection in the coronal two-thirds followed by direct sonic activation (group B); injection in the coronal two-thirds followed by indirect ultrasonic activation on tweezers (group C); sealer applied only on the master-cone (control group D). Samples were then scanned using micro-CT for voids and sealer extrusion calculation. Data were statistically analyzed using v.26 IBM; Results: No statistically significant differences were noted between the four groups in terms of voids; nevertheless, sonic activation (group B) followed by ultrasonic activation on the tweezers (group C) showed the best results (p = 0.066). Group D showed significantly less sealer extrusion when compared with group C (p = 0.044), with no statistically significant differences between groups D, A and B (p > 0.05). CONCLUSIONS Despite no significant differences observed between the different sealer placement techniques, the use of sonic and ultrasonic activation might be promising to reduce void occurrence. Further investigations are needed to demonstrate the potential benefit of calcium silicate-based sealer activation especially in wide and oval root canals in order to improve the quality of the single-cone obturation.
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Affiliation(s)
- Germain Sfeir
- Department of Endodontics, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon; (G.S.); (M.K.K.); (C.Z.)
| | - Frédéric Bukiet
- Assistance Publique des Hôpitaux de Marseille, 13005 France, Aix Marseille Univ, CNRS, ISM, Inst Movement Sci, 13288 Marseille, France;
| | - Marc Krikor Kaloustian
- Department of Endodontics, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon; (G.S.); (M.K.K.); (C.Z.)
| | - Naji Kharouf
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, 67000 Strasbourg, France
- Department of Endodontics, Faculty of Dental Medicine, Strasbourg University, 67000 Strasbourg, France
| | - Lotfi Slimani
- Plateforme Imageries du Vivant, Faculté de Chirurgie Dentaire, Université de Paris, 92120 Montrouge, France
| | - Baptiste Casel
- Plateforme Imageries du Vivant, Faculté de Chirurgie Dentaire, Université de Paris, 92120 Montrouge, France
| | - Carla Zogheib
- Department of Endodontics, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut 17-5208, Lebanon; (G.S.); (M.K.K.); (C.Z.)
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Carlson H, Montebello J, Lee B, Rendahl A, Goldschmidt S. Evaluation of the efficacy of the Lentulo spiral filler operated at four different speeds and with two different techniques in cadaveric canine teeth of dogs. Front Vet Sci 2023; 10:1295306. [PMID: 38026632 PMCID: PMC10652754 DOI: 10.3389/fvets.2023.1295306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
This study evaluated the effect of filling technique and rotational speed on the efficacy of sealer cement placement using the Lentulo spiral filler. Cadaveric maxillary and mandibular canine teeth (n = 74) from age and breed matched fresh-frozen adult canine cadaver heads were utilized. Following routine mechano-chemical preparation, teeth were randomly divided into 8 treatment groups with varying rotational speeds [250-2,000 revolutions per minute (RPM)] and fill techniques (backfill technique versus pumping technique). The quality of the sealer cement fill was evaluated radiographically before and after master gutta percha cone placement. Percentage of voids present in the apical, midbody, and coronal portions of the tooth were subjectively scored as: no voids present, voids present in less than 25% of the area, voids present in 25-50% of the area, voids present in greater than 50% of the area. The apex was also scored as underfilled, adequately filled, or overfilled. Operating the Lentulo spiral filler at 2,000 RPM resulted in the best quality fill regardless of filling technique. The pumping technique with placement of the master gutta percha cone had a higher probability of success as compared to the backfill technique, but this finding lacked significance. Regardless of speed or technique, the apical region had the highest quality of fill. The addition of the master gutta percha cone improved the quality of fill. Therefore, we recommend using the Lentulo spiral filler at higher speeds with a pumping technique (followed by addition of a master gutta percha cone) to improve the quality of epoxy resin-based sealer cement placement.
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Affiliation(s)
- Haley Carlson
- BluePearl Pet Hospital, Arden Hills, MN, United States
| | - Jennifer Montebello
- Department of Veterinary Clinical Sciences, University of Minnesota, St. Paul, MN, United States
| | - Bonnie Lee
- Department of Veterinary Clinical Sciences, University of Minnesota, St. Paul, MN, United States
| | - Aaron Rendahl
- Department of Veterinary Clinical Sciences, University of Minnesota, St. Paul, MN, United States
| | - Stephanie Goldschmidt
- Department of Veterinary Clinical Sciences, University of Minnesota, St. Paul, MN, United States
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Gupta G, Singla M, Kaur H, Mittal L, Gupta S, Kaur S. Comparative evaluation of the quality and homogeneity of different obturating systems using cone-beam computed tomography - An in vitro study. J Conserv Dent Endod 2023; 26:414-419. [PMID: 37705542 PMCID: PMC10497074 DOI: 10.4103/jcd.jcd_229_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/02/2023] [Accepted: 05/15/2023] [Indexed: 09/15/2023]
Abstract
Aim The aim of this study was to evaluate the homogeneity and quality of different obturating systems using cone-beam computed tomography (CBCT). Materials and Methods One hundred and twenty extracted maxillary and mandibular molars were included in this study which was decoronated first and then dissected into palatal and distal roots. After working length determination, all the roots were biomechanically prepared with ProTaper universal system. The prepared roots were evaluated using CBCT, and volumetric analysis was done. Samples were then randomly divided into three groups corresponding to the obturation method used - cold lateral compaction technique, single-cone technique, and BeeFill 2 in 1 system. After obturation, CBCT imaging and volumetric analyses were performed again to compare and analyze the amount of volume of obturation in different obturating techniques. To standardize the volume, pre-and postobturation images were superimposed. To avoid errors, for each section, measurements were repeated three times and the means were calculated. Statistical Analysis Used The data were statistically analyzed using one-way analysis of variance, followed by post hoc test. Results Results showed a statistically significant difference of the single cone with lateral compaction and the BeeFill system (P < 0.001). Maximum volume of obturating material was found in BeeFill at all levels - Coronal, middle, and apical, followed by cold lateral compaction and single-cone technique (P < 0.001). Conclusion It could be concluded that the thermoplasticized obturating technique can be a better choice for obturation rather than the single cone and lateral compaction technique.
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Affiliation(s)
- Grusha Gupta
- Department of Conservative Dentistry and Endodontics, Adesh Institute of Dental Sciences, Bathinda, Punjab, India
| | - Munish Singla
- Department of Conservative Dentistry and Endodontics, Adesh Institute of Dental Sciences, Bathinda, Punjab, India
| | - Harleen Kaur
- Department of Conservative Dentistry and Endodontics, Adesh Institute of Dental Sciences, Bathinda, Punjab, India
| | - Litik Mittal
- Department of Conservative Dentistry and Endodontics, Adesh Institute of Dental Sciences, Bathinda, Punjab, India
| | - Saloni Gupta
- Department of Conservative Dentistry and Endodontics, Adesh Institute of Dental Sciences, Bathinda, Punjab, India
| | - Savrose Kaur
- Department of Conservative Dentistry and Endodontics, Adesh Institute of Dental Sciences, Bathinda, Punjab, India
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Terauchi Y, Torabinejad M, Wong K, Bogen G. The Effect of Mineral Trioxide Aggregate Obturation Levels on the Outcome of Endodontic Retreatment: An Observational Study. J Endod 2023; 49:664-674. [PMID: 37085142 DOI: 10.1016/j.joen.2023.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 04/23/2023]
Abstract
INTRODUCTION No clinical studies have examined the effect of mineral trioxide aggregate (MTA) obturation levels on the outcome of endodontic retreatment. This retrospective study examined treatment outcomes in three cohorts that compared overfilling, flush filling, and underfilling after orthograde retreatment using MTA. METHODS Two hundred fifty patients with 264 teeth diagnosed with previously treated root canals and apical periodontitis retreated in a private endodontic practice were included. All teeth received MTA obturation and the extent of the final filling level was measured in relation to the major apical foramen. After 6-month follow-ups, all nonhealing cases were treated surgically. After 24- to 72-month reviews, the effect of preoperative lesion size and the degree of MTA obturation level were assessed. Multiple linear regression and time-to-event analysis using Stata 17 software (StataCorp LLC, College Station, TX) were used to evaluate the data. RESULTS Within the three cohorts, 99 out of 108 overfilled teeth (91.7%), 90 out of 103 flush fills (87.4%), and 10 out of 53 underfilled teeth (18.9%) healed and were successfully retreated without surgery at 48-months. When surgical outcomes were included, the combined healed proportion was 93.2%. Preoperative lesion size was found to be an important predictor for retreatment nonhealing. A 1-mm increase in lesion size at baseline resulted in an estimated 11% (95% CI 1.04, 1.18)-38% (95% CI 1.22, 1.58) increase in the risk of surgery. Compared to overfilling and flush filling, underfilling was associated with an approximately three-fold increase in requiring surgery and characterized by delayed healing. CONCLUSION MTA obturation is a viable retreatment option for teeth with nonhealing endodontic treatment. MTA overfills or flush fillings do not adversely affect healing outcomes. However, MTA underfilling increases the chances for nonhealing and surgical intervention.
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Affiliation(s)
| | - Mahmoud Torabinejad
- Department of Endodontics, School of Dentistry, Loma Linda University, Loma Linda, California
| | - Kingsley Wong
- Telethon Kids Institute, The University of Western Australia, Perth, Western Australia, Australia
| | - George Bogen
- Department of Endodontics, University of Queensland, School of Dentistry, Brisbane, Queensland, Australia.
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Chandarani S, Gundappa M, Chowdhary Z, Singh D, Swarup N, Mehrotra S. Comparative evaluation of push-out bond strength of AH-Plus, MTA-Fillapex and Epiphany SE root canal sealers: An Ex-Vivo study. Indian J Dent Res 2022; 33:313-317. [PMID: 36656195 DOI: 10.4103/ijdr.ijdr_1052_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Background A successful root canal (RC) treatment depends upon creation of a fluid impervious seal that is commonly built by using a RC sealer along with gutta-percha. The bond strength of the RC sealer is a hallmark as it will minimize the risk of treatment failure by reducing the possibility of filling detachment from dentin. Aim To evaluate and compare the push-out bond strength of AH-Plus and MTA-Fillapex with Gutta-Percha and Epiphany Self Etch/Resilon system using the Universal Testing Machine. Materials and Method About 60 mandibular premolars with single canals were prepared apically with Hyflex CM files upto size #30. Out of total, 20 teeth were obturated with AH-Plus/GP (group 1), 20 with MTA-Fillapex/GP (group 2), and other 20 with Epiphany Self Etch/Resilon system (group 3). Teeth were sectioned into three slices of 2 mm each and were subjected to Universal Testing Machine. Statistical Analysis The data obtained were tabulated and statistically evaluated using SPSS version 21.0 statistical analysis software (IBM, Chicago, Illinois, USA). Results The mean push-out bond strength was highest for AH-Plus (14.32 MPa) followed by MTA-Fillapex (12.18 MPa) and then Epiphany SE (8.44 MPa). The results were statistically significant. Conclusion Significantly, higher push out bond strength was displayed by AH-Plus sealer than MTA-Fillapex and least being Epiphany SE sealer. The push out bond strength was significantly highest at apical third and lowest at coronal third.
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Affiliation(s)
- Sagolsem Chandarani
- Department of Conservative Dentistry and Endodontics, Dental College Regional Institute of Medical Sciences, Imphal, Manipur, India
| | - Mohan Gundappa
- Department of Conservative Dentistry and Endodontics, RVS Dental College & Hospital, Coimbatore, Tamil Nadu, India
| | - Zoya Chowdhary
- Department of Dentistry, Government District Hospital, Jammu and Kashmir, India
| | - Deepika Singh
- Department of Conservative, Dentistry and Endodontics, Santosh Dental College, Ghaziabad, Uttar Pradesh, India
| | - Neeti Swarup
- Center for Oral/ Head and Neck Oncology Research, UCLA School of Dentistry, Los Angeles, California, USA
| | - Shalabh Mehrotra
- Department of Periodontics and Implantology, Teerthankar Mahaveer Dental College and Research Center, Moradabad, Uttar Pradesh, India
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De-Deus G, Santos GO, Monteiro IZ, Cavalcante DM, Simões-Carvalho M, Belladonna FG, Silva EJNL, Souza EM, Licha R, Zogheib C, Versiani MA. Micro-CT assessment of gap-containing areas along the gutta-percha-sealer interface in oval-shaped canals. Int Endod J 2022; 55:795-807. [PMID: 35383977 DOI: 10.1111/iej.13744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 11/28/2022]
Abstract
AIM To assess the interfacial adaptation (gap-containing areas) of two root canal sealers (EndoSequence BC Sealer and AH Plus) to a conventional gutta-percha (GP) cone (GP-sealer interface) in oval-shaped canals filled using the single cone technique. METHODOLOGY Sixteen teeth with oval-shaped canals were selected, scanned in a micro-computed tomographic device, and pair-matched according to the volume, aspect ratio and configuration of root canals. Root canals were then sequentially prepared with WaveOne Gold Primary and Large instruments, followed by filling with WaveOne Large GP points associated with either the premixed calcium-silicate EndoSequence BC Sealer or the epoxy resin-based AH Plus sealer (n = 8 per group) using the single cone technique. After 7 days stored in phosphate-buffered saline solution at 37°C, the specimens were rescanned and the reconstructed images segmented in order to differentiate the filling materials (sealer and GP cone) to the dentine. A total of 453 cross-sectional slices were assessed and categorized according to the presence or absence of gaps at the GP-sealer interface. Mann-Whitney U-test verified the differences between groups and were considered significant at alpha = 5%. RESULTS Gaps were non-homogenously distributed in two-dimensional axial cross-section images and none of the specimens showed completely gap-free areas along the entire GP-sealer interface. Root canals filled with EndoSequence BC Sealer and AH Plus displayed 171 (37.75%) and 136 (30.02%) slices with gaps in the GP-sealer interface and these frequencies were statistically significant (p = .000). CONCLUSIONS Although none of the specimens had a gap-free area along the entire GP-sealer interface, oval canals filled with AH Plus showed less gaps than the ones filled with EndoSequence BC Sealer.
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Affiliation(s)
- Gustavo De-Deus
- Department of Endodontics, Fluminense Federal University, Niterói, Brazil
| | - Gustavo O Santos
- Department of Endodontics, Fluminense Federal University, Niterói, Brazil
| | | | | | | | | | | | - Erick M Souza
- Department of Dentistry II, Federal University of Maranhão, São Luís, Brazil
| | - Raphael Licha
- Department of Endodontics, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Carla Zogheib
- Department of Endodontics, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Marco A Versiani
- Department of Endodontics, Fluminense Federal University, Niterói, Brazil
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Sibal AJ, Singi SR. Maxillary 1 st molar with three canals in mesiobuccal root. Pan Afr Med J 2022; 42:125. [PMID: 36060836 PMCID: PMC9430879 DOI: 10.11604/pamj.2022.42.125.34812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/06/2022] [Indexed: 12/04/2022] Open
Affiliation(s)
- Akash Jitender Sibal
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Medical Sciences (Deemed to be university), Wardha, India,Corresponding author: Akash Jitender Sibal, Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Medical Sciences (Deemed to be University), Wardha, India.
| | - Shriya Ravindra Singi
- Department of Conservative Dentistry and Endodontics, Sharad Pawar Dental College and Hospital, Datta Meghe Institute of Medical Sciences (Deemed to be university), Wardha, India
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Chopra V, Davis G, Baysan A. Clinical and Radiographic Outcome of Non-Surgical Endodontic Treatment Using Calcium Silicate-Based Versus Resin-Based Sealers-A Systematic Review and Meta-Analysis of Clinical Studies. J Funct Biomater 2022; 13. [PMID: 35466220 DOI: 10.3390/jfb13020038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/02/2022] [Accepted: 04/06/2022] [Indexed: 12/10/2022] Open
Abstract
The aim of this paper is to systematically analyse the effect of calcium silicate-based sealers in comparison to resin-based sealers on clinical and radiographic outcomes of non-surgical endodontic treatment in permanent teeth. Methods: The study was conducted according to the guidelines of the Cochrane Handbook for Systematic Reviews of Interventions and Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) statement. The literature search was performed using PubMed/MEDLINE, Cochrane Central Register of Controlled Trials, Web of Science, DOAJ and OpenGrey with no language restrictions. Two reviewers critically assessed the studies for eligibility. Grading of Recommendations, Assessment, Development and Evaluations (GRADE) was carried out to assess the evidence. Meta-analysis of the pooled data with subgroups was carried out using the RevMan software (p < 0.05). Results: Results from the included studies showed that there were no significant differences between the groups in the 24 h post-obturation pain levels (mean difference (MD), −0.19, 95% CI = −0.43−0.06, p = 0.14, I2 = 0%), but at 48 h (MD, −0.35, 95% CI = −0.64−0.05, p = 0.02, I2 = 0%), a significant difference was observed in favour of calcium silicate sealers. Furthermore, there were no significant differences between the two sealers due to risk of onset or intensity of postoperative pain, need for analgesic and extrusion of the sealer. The heterogeneity assessed using Q test between the included studies was 97% (I2). Conclusions: Within the limitations of this review, the paper shows that calcium silicate-based sealers exhibited optimal performance with similar results to resin-based sealers in terms of average level of post-obturation pain, risk of onset and pain intensity at 24 and 48 h. The observations from the included studies are informative in the clinical evaluation of calcium silicate-based sealers and provide evidence for the conduction of well-designed, controlled randomised clinical trials for a period of at least four years in the future.
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Wilkoński W, Jamróz-Wilkońska L, Kępczyński M, Zapotoczny S, Maziarz U, Opiła J, Pytko-Polończyk J. Effect of sodium hypochlorite, isopropyl alcohol and chlorhexidine on the epoxy sealant penetration into the dentinal tubules. ADV CLIN EXP MED 2022; 31:121-127. [PMID: 35212490 DOI: 10.17219/acem/142991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND The sealer penetration into the dentinal tubules might be beneficial, especially in necrotic endodontic cases, as it provides the obstruction of the contaminated tubules. OBJECTIVES To determine the effect of 3 final irrigants (sodium hypochlorite (NaOCl), alcohol and chlorhexidine (CHX)) on the penetration of an epoxy sealer into the dentinal tubules. MATERIAL AND METHODS The study was carried out on 60 single-canal human teeth with straight roots. The root canals were prepared to the ISO 40/04 size, using the Reciproc® instruments. The teeth were divided into 4 groups (n = 15). The canals in each group were irrigated according to the following scheme: group 1 (control) - 5.25% NaOCl; group 2 - smear layer removal (40% citric acid (CA) and 5.25% NaOCl) and 5.25% NaOCl; group 3 - smear layer removal (as in group 2), and 40% CA, water and 98% isopropyl alcohol; and group 4 - smear layer removal (as in group 2), and 40% CA, water and 2% CHX. The root canals were filled using the vertical condensation technique with gutta-percha and the porphyrin-labeled AH Plus™ sealer. After 3 days, 1-milimeter-thick cross-section slices were cut from the roots at a distance of 2 mm, 5 mm and 8 mm from the apex. The sections were imaged under a confocal microscope and the sealant penetration depth into the dentinal tubules was measured. RESULTS The longest resin tags in all parts of the roots were found in group 4 (CHX), and the shortest in group 1 (control). The mean depth of the sealer penetration (in micrometers) was as follows: 21, 22 and 23 (group 1); 201, 231 and 374 (group 2); 170, 232 and 280 (group 3); and 330, 408 and 638 (group 4) in the apical, middle and coronal parts, respectively. CONCLUSIONS The final irrigation with CHX resulted in the deepest penetration of the epoxy sealer into the tubules. Isopropyl alcohol had the most negative impact on the sealer penetration into the tubules.
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Affiliation(s)
| | | | - Mariusz Kępczyński
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Kraków, Poland
| | - Szczepan Zapotoczny
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Kraków, Poland
| | - Urszula Maziarz
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Kraków, Poland
| | - Janusz Opiła
- Department of Applied Computer Science, Faculty of Management, AGH University of Science and Technology, Kraków, Poland
| | - Jolanta Pytko-Polończyk
- Department of Integrated Dentistry, Dental Institute, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
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Alghamdi NS, Algarni YA, Ain TS, Alfaifi HM, AlQarni AA, Mashyakhi JQ, Alasmari SE, Alshahrani MM. Endodontic mishaps during root canal treatment performed by undergraduate dental students: An observational study. Medicine (Baltimore) 2021; 100:e27757. [PMID: 34964733 PMCID: PMC8615340 DOI: 10.1097/md.0000000000027757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 10/27/2021] [Indexed: 01/05/2023] Open
Abstract
Endodontic mishaps during root canal treatment (RCT) are considered to be one of the most commonly encountered errors, which affect the quality of treatment and may have dangerous health implications for patients.The present study was conducted to assess the frequency and types of endodontic mishaps in root canal-treated teeth performed by undergraduate dental students.A total 404 endodontically treated teeth were performed by undergraduate dental students of King Khalid University College of Dentistry, Abha, Kingdom of Saudi Arabia. The radiographs of the endodontically treated teeth were studied for a period of 6 months, and the related demographic data were collected from patient files.The most commonly identified mishaps were related to obturation, where the maximum number of cases (68.1%) had under-obturated root canals. More endodontic mishaps were performed by students in level 9 education. The upper left 2nd molar teeth had a higher frequency of mishaps, and molars were found to have more access-related mishaps. Lastly, access-related and instrument-related mishaps had a low frequency of occurrence.The majority of endodontic mishaps found in the study sample were related to root canal obturation. The undergraduate students at level 9 were less proficient in conducting RCTs with many endodontic mishaps when compared to the cases performed by students at higher levels. The study suggests relevant guidance for dental students while performing RCTs, especially during obturation of the root canals.
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Affiliation(s)
- Nuha S. Alghamdi
- Department of Restorative Dental Sciences, King Khalid University, College of Dentistry, Abha, Saudi Arabia
| | - Youssef A. Algarni
- Department of Restorative Dental Sciences, King Khalid University, College of Dentistry, Abha, Saudi Arabia
| | - Tasneem Sakinatul Ain
- Division of Preventive Dentistry, King Khalid University, College of Dentistry, Abha, Saudi Arabia
| | - Haifa M. Alfaifi
- King Khalid University, College of Dentistry, Abha, Saudi Arabia
| | - Alaa A. AlQarni
- King Khalid University, College of Dentistry, Abha, Saudi Arabia
| | | | - Sara E. Alasmari
- King Khalid University, College of Dentistry, Abha, Saudi Arabia
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Bhandi S, Mashyakhy M, Abumelha AS, Alkahtany MF, Jamal M, Chohan H, Raj AT, Testarelli L, Reda R, Patil S. Complete Obturation-Cold Lateral Condensation vs. Thermoplastic Techniques: A Systematic Review of Micro-CT Studies. Materials (Basel) 2021; 14:4013. [PMID: 34300930 PMCID: PMC8304925 DOI: 10.3390/ma14144013] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/10/2021] [Accepted: 07/12/2021] [Indexed: 01/31/2023]
Abstract
To prevent re-infection and provide a hermetic seal of the root canal system, an endodontist must aim to produce a void-free obturation. This review aimed to compare the completeness of root canal obturation between the two most prevalent methods-cold lateral condensation and warm gutta-percha techniques-using micro-CT (PROSPERO reg no. 249815). MATERIALS AND METHODS A search of Scopus, Embase, PubMed (Medline via PubMed), and Web of Science databases was done without any time restriction according to the PRISMA protocol. Articles that compared both techniques and were published in English were included. Data was extracted and the risk of bias was assessed using an adapted tool based on previous studies. RESULTS A total of 141 studies were identified by the search. Following the screening and selection of articles, 9 studies were included for review. Data was extracted manually and tabulated. Most studies had a moderate risk of bias. None determined operator skill in both methods before comparison. The data extracted from the included studies suggests that both techniques produce voids in the obturation. The thermoplasticized gutta-percha techniques may result in fewer voids compared to cold lateral condensation. CONCLUSION Considering the limitations of the included studies, it was concluded that neither technique could completely obturate the root canal. Thermoplasticized gutta-percha techniques showed better outcomes despite a possible learning bias in favor of cold lateral condensation. Establishing operator skills before comparison may help reduce this bias.
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Affiliation(s)
- Shilpa Bhandi
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (S.B.); (M.M.); (H.C.)
| | - Mohammed Mashyakhy
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (S.B.); (M.M.); (H.C.)
| | - Abdulaziz S. Abumelha
- Department of Restorative Dental Science, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia;
| | - Mazen F. Alkahtany
- Department of Restorative Dental Science, Division of Endodontics, College of Dentistry, King Saud University, Riyadh 11362, Saudi Arabia;
| | - Mohamed Jamal
- Department of Endodontics, Hamdan Bin Mohamed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai Health Care City, Dubai 505055, United Arab Emirates;
| | - Hitesh Chohan
- Department of Restorative Dental Sciences, College of Dentistry, Jazan University, Jazan 45412, Saudi Arabia; (S.B.); (M.M.); (H.C.)
| | - A. Thirumal Raj
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai 600130, India;
| | - Luca Testarelli
- Department of Oral and Maxillo Facial Sciences, University of Rome La Sapienza, 00161 Rome, Italy; (L.T.); (R.R.)
| | - Rodolfo Reda
- Department of Oral and Maxillo Facial Sciences, University of Rome La Sapienza, 00161 Rome, Italy; (L.T.); (R.R.)
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan 45142, Saudi Arabia
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18
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Özdemir O, Koçak S, Hazar E, Sağlam BC, Coşkun E, Koçak MM. Dentinal tubule penetration of gutta-percha with syringe-mix resin sealer using different obturation techniques: A confocal laser scanning microscopy study. AUST ENDOD J 2021; 48:258-265. [PMID: 34259369 DOI: 10.1111/aej.12546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 06/13/2021] [Accepted: 06/30/2021] [Indexed: 11/29/2022]
Abstract
This study aimed to evaluate dentinal tubule penetration of the root canal filling material using various techniques such as cold lateral compaction, new generation thermoplastic core carrier and continuous-wave obturation. The root canals of premolar teeth were instrumented, and the teeth were allocated randomly to three groups (n = 15/group). After the obturation with three different techniques, three sections of 2-mm thickness at 2, 5 and 8-mm from the apex were examined under a confocal laser scanning microscope. The data were analysed of variance with a significance level of P < 0.05. There was no significant difference between techniques when parameters were evaluated in total (penetration depth P = 0.418, penetration area P = 0.701). The mean value of the cold lateral compaction group for maximum penetration depth was obtained higher than continuous wave (P = 0.004), whilst there was no significant difference between the thermoplastic core carrier and the other groups.
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Affiliation(s)
- Olcay Özdemir
- Department of Pediatric Dentistry, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Sibel Koçak
- Department of Endodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Ecehan Hazar
- 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
| | - Ezgi Coşkun
- Department of Endodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
| | - Mustafa Murat Koçak
- Department of Endodontics, Faculty of Dentistry, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
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Lee YJ, Kim S, Shin SJ. Volume Percentage of Filling Voids in Root Canals Prepared by a Novel Nickel-Titanium Rotary System (TruNatomy) Using Two Different Obturation Techniques. Materials (Basel) 2021; 14:ma14143846. [PMID: 34300765 PMCID: PMC8305233 DOI: 10.3390/ma14143846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/04/2021] [Accepted: 07/06/2021] [Indexed: 11/16/2022]
Abstract
This study aimed to compare the volume percentage of filling voids in root canals prepared with a newly introduced rotary system, TruNatomy (Dentsply Maillefer), and obturated by the modified continuous wave (CW) or single cone (SC) filling technique. Plastic tooth models with four canals were enlarged by using TruNatomy files and randomly allocated into either the CW or SC group. The volume percentage of filling voids at 1–6 mm from the apex was analyzed by using microcomputed tomography; mean values were compared by using independent two-sample t-tests (p < 0.05). The mean volume percentages of the filling voids were 2.81 ± 1.11% and 1.77 ± 0.82% in the CW and SC groups, respectively. In the apical area (1–4 mm), volume percentages in the palatal were significantly different between the CW and SC groups; in the middle area (4–6 mm), volume percentages in the palatal and the second mesiobuccal canals were significantly different (p < 0.05). The SC group showed lower volume percentages of filling voids than the CW group. The canals prepared by the TruNatomy system can be obturated well by both the SC and CW techniques. The SC technique showed a lower number of voids, especially in the palatal canals.
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Affiliation(s)
- You Jin Lee
- Gangnam Severance Hospital, Department of Conservative Dentistry, Yonsei University College of Dentistry, 211 Eonjuro, Gangnam-gu, Seoul 06273, Korea;
| | - Sunil Kim
- Department of Conservative Dentistry and Oral Science Research Center, Yonsei University College of Dentistry, 50-1 Yonsei-Ro, Seodaemun-gu, Seoul 03722, Korea;
| | - Su-Jung Shin
- Gangnam Severance Hospital, Department of Conservative Dentistry and Oral Science Research Center, Yonsei University College of Dentistry, 211 Eonjuro, Gangnam-gu, Seoul 06273, Korea
- Correspondence: ; Tel.: +82-2-2019-3572; Fax: +82-2-3463-4052
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20
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De-Deus G, Oliveira DS, Cavalcante DM, Simões-Carvalho M, Belladonna FG, Antunes LS, Souza EM, Silva EJNL, Versiani MA. Methodological proposal for evaluation of adhesion of root canal sealers to gutta-percha. Int Endod J 2021; 54:1653-1658. [PMID: 33977555 DOI: 10.1111/iej.13549] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 12/21/2022]
Abstract
AIM To compare the bond strength of an epoxy resin-based sealer and two calcium silicate-based sealers (CSS) to gutta-percha discs using a new method. METHODOLOGY Round discs of gutta-percha (n = 60), measuring 10 mm in diameter and 2 mm in thickness, were placed on a glass plate and a drop of each sealer (AH Plus, EndoSequence BC Sealer and EndoSeal MTA) was placed on their surface. Another identical disc was placed onto the first one and a standardized weight (0.0981 N) applied over them using a specially developed apparatus. Ten samples prepared for each sealer were submitted to a microshear bond strength test accomplished by a specially designed set-up coupled to a universal testing machine. The Kruskal-Wallis test followed by a post hoc procedure was used to compare groups considering the preliminary analysis of the raw data had indicated the nonadherence to a Gaussian distribution (Shapiro-Wilk, p < .05). Alpha error was set at 5%. RESULTS Overall, no premature failure occurred. All sealers had some degree of adhesiveness to gutta-percha discs but with a significant difference amongst them (Kruskal-Wallis, p = .019). The epoxy resin-based sealer (AH Plus) had significantly higher median shear bond strength values (1.43 MPa; 1.40-1.83) compared to EndoSeal MTA (0.53 MPa; 0.46-0.73) (p = .021) and EndoSequence BC Sealer (0.45 MPa; 0.34-0.46) (p = .023), whilst the lowest median value was observed with EndoSequence BC Sealer (0.45 MPa; 0.34-0.46) (p < .05). CONCLUSIONS CSS sealers had weaker bonding to gutta-percha when compared to the epoxy resin-based AH Plus sealer. The proposed methodology is an innovative and reproducible method for testing the bond strength of root canal sealers to gutta-percha.
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Affiliation(s)
- Gustavo De-Deus
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Diogo S Oliveira
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Daniele M Cavalcante
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Marco Simões-Carvalho
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Felipe G Belladonna
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Leandro S Antunes
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Erick M Souza
- Department of Dentistry II, Federal University of Maranhão, São Luís, Maranhão, Brazil
| | - Emmanuel J N L Silva
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Marco A Versiani
- Department of Endodontics, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
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21
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Parfenov IP, Shubin AA, Vardanyan AV, Dolidze DD, Kovantsev SD. [Surgical treatment of pancreaticoduodenal artery aneurysm combined with celiac trunk occlusion]. Khirurgiia (Mosk) 2021:64-69. [PMID: 33759471 DOI: 10.17116/hirurgia202104164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We report successful surgical treatment of inferior pancreaticoduodenal artery aneurysm combined with celiac trunk occlusion. Considering angioarchitectonics of the afferent and efferent arteries (significant tortuosity), possible liver ischemia during endovascular occlusion of pancreaticoduodenal artery and expected low efficiency of embolization, the patient underwent open surgery (celiac trunk replacement and resection of pancreaticoduodenal artery aneurysm). Postoperative period was uneventful. The first and subsequent postoperative controls showed an adequate function of the prosthesis and no contrast enhancement of the aneurysm. We concluded that rational surgical approach ensured optimal solution of the problem, i.e. surgical treatment of pancreaticoduodenal artery aneurysm was the most radical and functional.
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Affiliation(s)
- I P Parfenov
- Russian Medical Academy for Continuous Professional Education, Moscow, Russia
| | - A A Shubin
- Botkin City Clinical Hospital, Moscow, Russia
| | - A V Vardanyan
- Botkin City Clinical Hospital, Moscow, Russia.,Russian Medical Academy for Continuous Professional Education, Moscow, Russia
| | - D D Dolidze
- Botkin City Clinical Hospital, Moscow, Russia.,Russian Medical Academy for Continuous Professional Education, Moscow, Russia
| | - S D Kovantsev
- Russian Medical Academy for Continuous Professional Education, Moscow, Russia
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22
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Balagopal S, Bejoy Mony CM, Hemasathya BA, Nazrin M, James V, Sebatni A. Evaluation of remaining dentin thickness around the prepared root canals and its influence on the temperature changes on the external root surfaces during different heated gutta-percha obturation techniques. Indian J Dent Res 2021; 31:857-861. [PMID: 33753654 DOI: 10.4103/ijdr.ijdr_508_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Context Temperature rise on external root surface has a deleterious effect on the periodontium. Aims To compare and evaluate the temperature changes on the external root surfaces using three different heated gutta-percha obturation techniques and also to evaluate the effect of remaining dentin thickness (RDT) on the temperature rise during obturation. Settings and Design In vitro study with a customized temperature measurement setup. Materials and Methods Thirty decoronated human maxillary central incisors were cleaned and shaped using standardized method. RDT was measured using cone beam computed tomography. They were divided into three groups of 10 samples each. Group 1 was obturated by traditional warm vertical compaction, Group 2 using solid core obturation, and Group 3 by warm vertical compaction technique using GP heater in vibration mode. AH Plus sealer was used as cement sealer. During obturation, the temperature rise was measured using K-type thermocouples in the coronal, middle, and apical thirds. The highest temperature rise during the procedure was recorded. Statistical Analysis Used Data were analyzed by one-way analysis of variance and post hoc Tukey's test. Results Traditional warm vertical compaction had the highest temperature change followed by warm vertical compaction using GP heater in vibration mode and solid core obturation. Conclusion There was a temperature rise on external root surfaces in the three techniques evaluated. Solid core obturation technique showed the least temperature change. There was no significance in the effect of RDT on temperature rise during obturation.
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Affiliation(s)
- Sundaresan Balagopal
- Department of Conservative Dentistry and Endodontics, Tagore Dental College and Hospital, Chennai, Tamil Nadu, India
| | - C M Bejoy Mony
- Department of Conservative Dentistry and Endodontics, Tagore Dental College and Hospital, Chennai, Tamil Nadu, India
| | - Bahavathi Ananthan Hemasathya
- Department of Conservative Dentistry and Endodontics, Tagore Dental College and Hospital, Chennai, Tamil Nadu, India
| | - M Nazrin
- Department of Conservative Dentistry and Endodontics, Tagore Dental College and Hospital, Chennai, Tamil Nadu, India
| | - Vandana James
- Department of Conservative Dentistry and Endodontics, Tagore Dental College and Hospital, Chennai, Tamil Nadu, India
| | - Anisha Sebatni
- Department of Conservative Dentistry and Endodontics, Tagore Dental College and Hospital, Chennai, Tamil Nadu, India
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23
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Wong J, Zou T, Lee AHC, Zhang C. The Potential Translational Applications of Nanoparticles in Endodontics. Int J Nanomedicine 2021; 16:2087-2106. [PMID: 33727815 PMCID: PMC7955783 DOI: 10.2147/ijn.s293518] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/26/2021] [Indexed: 12/13/2022] Open
Abstract
Nanotechnology has substantially progressed in the past decades, giving rise to numerous possible applications in different biomedical fields. In particular, the use of nanoparticles in endodontics has generated significant interest due to their unique characteristics. As a result of their nanoscale dimensions, nanoparticles possess several properties that may enhance the treatment of endodontic infections, such as heightened antibacterial activity, increased reactivity and the capacity to be functionalized with other reactive compounds. Effective disinfection and sealing of the root canal system are the hallmarks for successful endodontic treatment. However, the presence of bacterial biofilms and resistance to endodontic disinfectants pose a significant challenge to this goal. This has encouraged the investigation of antibacterial nanoparticle-based irrigants and intracanal medicaments, which may improve the elimination of endodontic infections. In addition, photosynthesizer-functionalized nanoparticles could also serve as a worthy adjunct to root canal disinfection strategies. Furthermore, despite the myriad of commercially available options for endodontic obturation, the "ideal" material has yet to be conceived. This has led to the development of various experimental nanoparticle-incorporated obturation materials and sealers that exhibit a range of favourable physicochemical properties including enhanced antibacterial efficacy and bioactivity. Nanoparticle applications also show promise in the field of regenerative endodontics, such as supporting the release of bioactive molecules and enhancing the biophysical properties of scaffolds. Given the constantly growing body of research in this field, this article aims to present an overview of the current evidence pertaining to the potential translational applications of nanoparticles in endodontics.
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Affiliation(s)
- Jasmine Wong
- Restorative Dental Sciences (Endodontics), Faculty of Dentistry, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Ting Zou
- Restorative Dental Sciences (Endodontics), Faculty of Dentistry, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Angeline Hui Cheng Lee
- Restorative Dental Sciences (Endodontics), Faculty of Dentistry, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Chengfei Zhang
- Restorative Dental Sciences (Endodontics), Faculty of Dentistry, The University of Hong Kong, Hong Kong Special Administrative Region
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24
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Mohanty A, Patro S, Barman D, Jnaneswar A. Modern endodontic practices among dentists in India: A comparative cross-sectional nation-based survey. J Conserv Dent 2021; 23:441-446. [PMID: 33911350 PMCID: PMC8066668 DOI: 10.4103/jcd.jcd_408_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/27/2020] [Accepted: 10/19/2020] [Indexed: 11/30/2022] Open
Abstract
Introduction: More than 41,000 root canal treatments (RCTs) are performed every day and about 25 RCTs are performed every week by an endodontist. The success rate of endodontic treatment ranges between 86% and 98%; however, the failure rates cannot be ignored which can range up to 20% of the treated cases due to a varied number of reasons including incorrect adoption of working techniques and usage of inappropriate materials. The present study aimed at comparing the practices of various levels of dentists toward RCT in their daily practice. Methodology: A cross-sectional, descriptive, questionnaire-based study was conducted among the dental practitioners who have completed the Masters of Dental Surgery (MDS) curriculum in India and postgraduate students in various dental colleges in India. The sample size was achieved to be 1601 at the completion of the study. The response rate for the study was 80.05%. All the dentists practicing RCT either in the clinic or in the college and willing to participate in the study were included in the study. A self-structured questionnaire was used as study tool. SPSS was used to analyze the data. Results: A total of 26.7% of the PG students (endodontists) used rubber dam. Majority of the dentists preferred hand instruments (62.36%) over rotary. Almost half (53.09%) of the postgraduates belonging to other branches reported to prescribe drugs. Conclusion: The present study showed a varied profile of the dentists with most of them following the basic protocols and techniques of international standards.
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Affiliation(s)
- Ankita Mohanty
- Department of Conservative Dentistry and Endodontics, Kalinga Institute of Dental Sciences, KIIT (Deemed to be) University, Bhubaneswar, Odisha, India
| | - Swadheena Patro
- Department of Conservative Dentistry and Endodontics, Kalinga Institute of Dental Sciences, KIIT (Deemed to be) University, Bhubaneswar, Odisha, India
| | - Diplina Barman
- Department of Public Health Dentistry, Kalinga Institute of Dental Sciences, KIIT (Deemed to be) University, Bhubaneswar, Odisha, India
| | - Avinash Jnaneswar
- Department of Public Health Dentistry, Kalinga Institute of Dental Sciences, KIIT (Deemed to be) University, Bhubaneswar, Odisha, India
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25
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Darak P, Likhitkar M, Goenka S, Kumar A, Madale P, Kelode A. Comparative evaluation of fracture resistance of simulated immature teeth and its effect on single visit apexification versus complete obturation using MTA and biodentine. J Family Med Prim Care 2020; 9:2011-2015. [PMID: 32670957 PMCID: PMC7346951 DOI: 10.4103/jfmpc.jfmpc_1145_19] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 12/21/2019] [Accepted: 01/07/2020] [Indexed: 12/18/2022] Open
Abstract
AIM AND OBJECTIVES This study sought to evaluate and compare the fractured resistance of simulated immature teeth and the effect of single visit apexification versus complete obturation using MTA and biodentine. MATERIAL AND METHODOLOGY Forty-five freshly extracted sound maxillary central incisors with single canal were selected. The apical 5 mm of each sample was then sectioned to simulate Cvek's stage 3 root development access cavity preparation, followed by preparation using peeso reamers. Irrigation was carried out followed by randomization of samples. Obturation was performed using different materials. Fracture resistance was checked under universal testing machine, by recording the ultimate load to fracture in Newtons. STATISTICAL ANALYSIS Statistical analysis was performed using SPSS 20.0 Software. One-way analysis of variance followed by pair wise comparison of the groups was performed using Tukey's post-hoc test. The significance level was set at P < 0.05. RESULTS All the experimental groups showed statistically higher value of fracture resistance than the control groups. Group I (entire canal obturated with MTA) reported highest value of fracture resistance followed by group III (entire canal obturated with biodentine), group II, and group IV. CONCLUSION In apexification cases, reinforcing the immature teeth with bioceramic materials such as MTA and biodentine is advantageous. CLINICAL SIGNIFICANCE Clinically in patients, high success rate of apexification can be achieved with complete MTA obturation as compared to MTA and biodentine apical plug and gutta percha obturation.
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Affiliation(s)
- Pawan Darak
- Assistant Professor, Department of Conservative Dentistry and Endodontics, Dr. H.S.R.S.M Dental College and Hospital, Hingoli, Maharashtra, India
| | - Manoj Likhitkar
- Associate Professor, Conservative Dentistry and Endodontics, Dr. H.S.R.S.M Dental College and Hospital, Hingoli, Maharashtra, India
| | - Shachi Goenka
- Associate Professor, Conservative Dentistry and Endodontics, Dr. H.S.R.S.M Dental College and Hospital, Hingoli, Maharashtra, India
| | - Abhinav Kumar
- Assistant Professor, Departments of Oral and Maxillofacial Surgery, Dr. H.S.R.S.M Dental College and Hospital, Hingoli, Maharashtra, India
| | - Priyanka Madale
- Postgraduate, Department of Conservative Dentistry and Endodontics, Dr. H.S.R.S.M Dental College and Hospital, Hingoli, Maharashtra, India
| | - Ashwini Kelode
- Postgraduate, Department of Conservative Dentistry and Endodontics, Dr. H.S.R.S.M Dental College and Hospital, Hingoli, Maharashtra, India
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26
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Grazziotin-Soares R, Dourado LG, Gonçalves BLL, Ardenghi DM, Ferreira MC, Bauer J, Carvalho CN. Dentin Microhardness and Sealer Bond Strength to Root Dentin are Affected by Using Bioactive Glasses as Intracanal Medication. Materials (Basel) 2020; 13:ma13030721. [PMID: 32033430 PMCID: PMC7040687 DOI: 10.3390/ma13030721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/12/2019] [Accepted: 11/19/2019] [Indexed: 01/29/2023]
Abstract
This study investigated the human dentin microhardness (MH) and the MTA Fillapex® (Fillapex) and AH Plus®(AH) bond strength (BS) to dentin after using calcium hydroxide (Ca(OH)2) and bioactive glasses (45S5 and an experimental niobium phosphate bioactive glass (NbG)) as intracanal medications. For the MH test dentin slices were filled with medications and were submitted to Knoop MH (KHN) test (at day-0 (baseline data/without medication) and at day-15 (after using medication)). For the BS test, after medications had remained for 15 days in the roots, dentin slices were obtained and filled with the sealers. Seven days later, sealer BS to dentin was measured by push-out test (MPa). Data were statistically analyzed. Failure mode was visually assessed. The use of NbG, 45S5 for 15 days, increased the dentin MH and reduced the BS between AH sealer and dentin, but did not interfere with the Fillapex BS.
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Affiliation(s)
- Renata Grazziotin-Soares
- Department of Restorative Dental Sciences, College of Dentistry, University of Florida, Gainesville, FL 32610, USA (D.M.A.)
| | - Letícia Gomes Dourado
- School of Dentistry, CEUMA University, São Luís, 65065-470, Brazil; (L.G.D.); (B.L.L.G.); (M.C.F.)
| | | | - Diego Machado Ardenghi
- Department of Restorative Dental Sciences, College of Dentistry, University of Florida, Gainesville, FL 32610, USA (D.M.A.)
| | - Meire Coelho Ferreira
- School of Dentistry, CEUMA University, São Luís, 65065-470, Brazil; (L.G.D.); (B.L.L.G.); (M.C.F.)
| | - José Bauer
- Discipline of Dental Materials, School of Dentistry, University Federal of Maranhão (UFMA), São Luis 5085-582, Brazil
- Correspondence: (C.N.C.); (J.B.); Tel.: +55-98-98117-0078 (C.N.C.)
| | - Ceci Nunes Carvalho
- School of Dentistry, CEUMA University, São Luís, 65065-470, Brazil; (L.G.D.); (B.L.L.G.); (M.C.F.)
- Correspondence: (C.N.C.); (J.B.); Tel.: +55-98-98117-0078 (C.N.C.)
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27
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Kakade A, Shetty H, Santosh A, Mali S, Badnaware S, Deshmukh B, Banthiya K. Tamponade effect of resorbable biological barrier in quality of obturation in primary molar. ACTA ACUST UNITED AC 2019; 10:e12468. [PMID: 31544328 DOI: 10.1111/jicd.12468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/27/2019] [Accepted: 08/20/2019] [Indexed: 11/28/2022]
Abstract
AIM Physical properties of obturating materials have a direct effect on the quality of obturation; less viscous material will tend to extrude beyond the apex. We hypothesize that the use of absorbable gelatin sponge (AGS) can prevent the extrusion of these materials. This study aimed to evaluate the quality of obturation in root canals filled with iodoform-calcium hydroxide (Metapex) premixed paste and Metapex with AGS (MAGS) in primary molars. METHODS This in vivo study comprised 60 primary mandibular molars which after instrumentation were divided into 2 groups according to the obturation material used, Metapex and MAGS, followed by radiographic evaluation to assess the quality of the obturation. The χ2 -test was applied for statistical analysis. RESULTS There was a statistically significant difference between Metapex and MAGS groups in achieving optimum obturation (P < .001). Metapex and MAGS exhibited 86.65% and 38.88% optimum obturation respectively. The overfilling of root canals effectively reduced from 38.88% to 4.44%. CONCLUSION The addition of AGS to Metapex causes a "tamponade effect", which reduces the tendency of Metapex to extrude beyond the root apex. Root canal obturation using a modified filling paste like MAGS is effective in obtaining optimum obturation in primary teeth.
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Affiliation(s)
- Adesh Kakade
- Department of Pediatric and Preventive Dentistry, Nair Hospital Dental College, Mumbai, India
| | - Heeresh Shetty
- Department of Conservative dentistry and Endodontics, Nair Hospital Dental College, Mumbai, India
| | - Anitha Santosh
- Department of Pediatric and Preventive Dentistry, Nair Hospital Dental College, Mumbai, India
| | - Sayali Mali
- Department of Pediatric and Preventive Dentistry, Government Dental College, Mumbai, India
| | | | - Bhagyashree Deshmukh
- Department of Pediatric and Preventive Dentistry, Nair Hospital Dental College, Mumbai, India
| | - Karun Banthiya
- Department of Pediatric and Preventive Dentistry, Nair Hospital Dental College, Mumbai, India
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28
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Brezhnev A, Neelakantan P, Tanaka R, Brezhnev S, Fokas G, Matinlinna JP. Antibacterial Additives in Epoxy Resin-Based Root Canal Sealers: A Focused Review. Dent J (Basel) 2019; 7:E72. [PMID: 31266165 PMCID: PMC6784478 DOI: 10.3390/dj7030072] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/31/2019] [Accepted: 06/05/2019] [Indexed: 01/16/2023] Open
Abstract
Dental materials used in root canal treatment have undergone substantial improvements over the past decade. However, one area that still remains to be addressed is the ability of root canal fillings to effectively entomb, kill bacteria, and prevent the formation of a biofilm, all of which will prevent reinfection of the root canal system. Thus far, no published review has analysed the literature on antimicrobial additives to root canal sealers and their influence on physicochemical properties. The aim of this paper was to systematically review the current literature on antimicrobial additives in root canal sealers, their anti-fouling effects, and influence on physicochemical properties. A systematic search was performed in two databases (PubMed and Scopus) to identify studies that investigated the effect of antimicrobial additives in epoxy resin-based root canal sealers. The nature of additives, their antimicrobial effects, methods of antimicrobial testing are critically discussed. The effects on sealer properties have also been reviewed. A total of 31 research papers were reviewed in this work. A variety of antimicrobial agents have been evaluated as additives to epoxy resin-based sealers, including quaternary ammonium compounds, chlorhexidine, calcium hydroxide, iodoform, natural extracts, antibiotics, antifungal drugs, and antimicrobial agent-functionalised nanoparticles. Antimicrobial additives generally improved the antimicrobial effect of epoxy resin-based sealers mainly without deteriorating the physicochemical properties, which mostly remained in accordance with ISO and ANSI/ADA specifications.
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Affiliation(s)
- Alexander Brezhnev
- Applied Oral Sciences-Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Prasanna Neelakantan
- Discipline of Endodontology, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China.
| | - Ray Tanaka
- Applied Oral Sciences-Oral and Maxillofacial Radiology, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Sergey Brezhnev
- Discipline of Endodontology, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - George Fokas
- Department of Prosthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Jukka P Matinlinna
- Applied Oral Sciences-Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
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29
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Zhong X, Shen Y, Ma J, Chen WX, Haapasalo M. Quality of Root Filling after Obturation with Gutta-percha and 3 Different Sealers of Minimally Instrumented Root canals of the Maxillary First Molar. J Endod 2019; 45:1030-1035. [PMID: 31182216 DOI: 10.1016/j.joen.2019.04.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 04/04/2019] [Accepted: 04/18/2019] [Indexed: 11/29/2022]
Abstract
INTRODUCTION The aim of this study was to compare the quality of root fillings completed by a modified single-cone (MSC) technique with 3 different sealers after minimal instrumentation and multisonic cleaning of root canals of maxillary first molars. METHODS Root canals of 18 maxillary first molars were instrumented to size 15/.04 taper using rotary files. Sodium hypochlorite 5.25% was used during instrumentation; the final cleaning was performed by the GentleWave System (Sonendo Inc, Laguna Hills, CA). The specimens were allocated into 3 groups and root filled by the MSC technique using a size fitted gutta-percha master cone and GuttaFlow Bioseal (Coltene Whaledent GmBH + Co KG, Langenau, Switzerland), GuttaFlow 2 (Coltene Whaledent GmBH + Co KG), and MTA Fillapex (Angelus Industria de Produtos Odontológicos S/A, Londrina, PR, Brazil) sealers. Micro-computed tomographic scans were obtained before and after instrumentation, post-GentleWave, and after obturation. Reconstructed images were analyzed for the volumetric percentage of filling materials. Mesiobuccal roots of the selected teeth were sectioned at 0.5-mm increments starting at the apex of the root. The cross sections were further examined using a light microscope. RESULTS The 3 groups had 90%-99% of the canal space filled with the root filling material. The mean volume of the filling material was higher in the GuttaFlow Bioseal and GuttaFlow 2 groups than in the MTA Fillapex group (P < .05). There was no significant difference among the apical, middle, and coronal thirds. The cross-sectional images showed no obvious gaps or voids in the GuttaFlow groups. After instrumentation, 49 of the 189 canal thirds (25.9%) had hard tissue debris in the root canal system. After GentleWave cleaning, only 4 of 63 canals (6.3%) and 4 of the 189 canal thirds (2.1%) still had debris. CONCLUSIONS The MSC method with GuttaFlow 2 and GuttaFlow Bioseal sealers after multisonic cleaning of minimally instrumented molar canals resulted in high-quality root fillings. Multisonic cleaning of minimally instrumented molars seems to be effective in debris removal.
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Affiliation(s)
- Xiaoyi Zhong
- Department of Cariology and Endodontology, College and Hospital of Stomatology, Guangxi Medical University, Nanning, China; Faculty of Dentistry, Division of Endodontics, Department of Oral Biological and Medical Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Ya Shen
- Faculty of Dentistry, Division of Endodontics, Department of Oral Biological and Medical Sciences, University of British Columbia, Vancouver, BC, Canada
| | - Jingzhi Ma
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wen-Xia Chen
- Department of Cariology and Endodontology, College and Hospital of Stomatology, Guangxi Medical University, Nanning, China.
| | - Markus Haapasalo
- Faculty of Dentistry, Division of Endodontics, Department of Oral Biological and Medical Sciences, University of British Columbia, Vancouver, BC, Canada.
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30
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Ahluwalia Y, Sharma U, Kumar N, Malik A, Singh A, Narayan A. Adaptation of Single-Cone Gutta-Percha in Curved Canals Prepared and Obturated with Protaper and Heroshaper Systems by Using Cone Beam Computed Tomography. J Int Soc Prev Community Dent 2019; 9:185-193. [PMID: 31058070 PMCID: PMC6489517 DOI: 10.4103/jispcd.jispcd_398_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 12/21/2018] [Indexed: 11/04/2022] Open
Abstract
Objective The aim of this study is to prepare and obturate the curved canals of the mesiobuccal root of maxillary first molar with four different file systems that is protaper hand files, rotary pro taper (RP) files, heroshaper hand files, and rotary hero shapers files and to evaluate the adaptation of their single-cone Gutta-percha by cone beam computed tomography (CBCT). Materials and Methods Eighty teeth were selected and were divided into two groups (G1A1, G1A2 and G2A1, G2A2 as hand and RP file system, G1A3, G1A4 and G2A3, G2A4 as hand and rotary hero shaper files system) of fourth teeth each. After access opening working length of the mesiobuccal canal was established. The distobuccal and palatal roots of the samples were removed using the diamond disc at the furcation level. "Endoanalyser" software was used to measure Schneider's angle on the preoperative radiograph. This angle was measured by drawing two lines-one parallel to the long axis of the canal, in the coronal third, and the second line from the apical foramen to intersect the point where the first line left the long axis of the canal. The canals of each group were then prepared according to the manufacturer's instructions for protaper hand files, RP files, heroshaper hand files, and rotary hero shapers files systems. Direct digital radiography image of all the samples was obtained. And then, the samples were exposed to CBCT to evaluate their single-cone adaptations. The data were analyzed using SPSS 20, IBM, Armonk, NY, United States of America. Results The null hypothesis that there will not be any gap area in the adaptation of their single-cone of different file system was rejected. Minimal gap area was seen in rotary hero shapers file system (0.001 mm2) and was maximum in hand protaper (HP) file system (0.015 mm2). Conclusion CBCT is a useful tool in detecting the gap area after obturation in curved canals. The HP single-cone adaptation showed the maximum gap area and rotary heroshaper single-cone adaptation showed the minimum gap area.
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Affiliation(s)
- Yuvika Ahluwalia
- Reader, Institute of Dental Sciences and Technologies, Kadrabad, Modinagar Uttar Pardesh, Ghaziabad, India
| | - Utsav Sharma
- Senior Lecturer, Department of Conservative Dentistry and Endodontics, Seema Dental College and Hospital, Rishikesh, Uttarakhand, India
| | - Neeraj Kumar
- Professor and Head, Department of Conservative Dentistry and Endodontics, CDCRI, Chhattisgarh, India
| | - Azhar Malik
- Professor and Head, Department of Conservative Dentistry and Endodontics, Indira Gandhi Government Dental College, Jammu, Jammu and Kashmir, India
| | - Anshdeep Singh
- Reader, Department of Conservative Dentistry and Endodontics, Seema Dental College and Hospital, Rishikesh, Uttarakhand, India
| | - Amit Narayan
- Reader, Department of Conservative Dentistry and Endodontics, Azamgarh Dental College, Azamgarh, Uttar Pradesh, India
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31
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Raghuwanshi S, Jain P, Patni PM, Pandey SH, Hiremath H, Baghel S. Dentinal Adaptation of Warm Thermoplastic Obturating Material and Cold Thermoplastic Obturating Material: An In vitro Study. Contemp Clin Dent 2019; 10:64-68. [PMID: 32015644 PMCID: PMC6974998 DOI: 10.4103/ccd.ccd_312_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Introduction: The objective of endodontic obturation is to provide a complete seal along the length of the root canal system, thereby ensuring the healing and sustained health of the periradicular tissue. Root canal obturation involves the three-dimensional filling of the entire root canal system and is a critical step in endodontic therapy. Gutta-percha has universally been accepted as the gold standard for root canal filling materials. However, it lacks bonding to the internal tooth structure resulting in the absence of complete seal. Aim: The aim of the present study is to compare the dentinal adaptation of warm thermoplastic obturating material and cold thermoplastic obturating materials. Materials and Methods: Thirty single-rooted, anterior noncarious human teeth extracted for periodontal or orthodontic reasons were used for the study. The samples were stored in distilled water until obturation. The specimens were then randomly divided into three groups of ten specimens each: Control group – Cold lateral condensation with AH Plus, Group I – Endosure with AH Plus®, and Group II – GuttaFlow® 2 with master cone. The obturation for each group was done following manufacturer's instructions. Under On-demand software, the area of voids at the level of 3 mm, 5 mm, and 8 mm from the apex was observed for all the samples. The obtained results were submitted for statistical analysis. Results: The result in the present study showed that Endosure provides a better consistent seal as compared to cold lateral condensation, or GuttaFlow 2 techniques. Conclusion: Mean void value was maximum for GuttaFlow 2 group, followed by cold lateral condensation, Endosure. Though there was a difference in the mean void values, it was not statistically significant except between Endosure and GuttaFlow 2. The result in the present study showed that Endosure provides a better seal as compared to cold lateral compaction, GuttaFlow 2 or Endosure technique.
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Affiliation(s)
- Swadhin Raghuwanshi
- Department of Conservative Dentistry and Endodontics, Sri Aurobindo College of Dentistry, Indore, Madhya Pradesh, India
| | - Pradeep Jain
- Department of Conservative Dentistry and Endodontics, Sri Aurobindo College of Dentistry, Indore, Madhya Pradesh, India
| | - Pallav Mahesh Patni
- Department of Conservative Dentistry and Endodontics, Sri Aurobindo College of Dentistry, Indore, Madhya Pradesh, India
| | - Sanket Hans Pandey
- Department of Conservative Dentistry and Endodontics, Sri Aurobindo College of Dentistry, Indore, Madhya Pradesh, India
| | - Hemalatha Hiremath
- Department of Conservative Dentistry and Endodontics, Sri Aurobindo College of Dentistry, Indore, Madhya Pradesh, India
| | - Shabdika Baghel
- Department of Orthodontics and Dentofacial Orthopaedics, Sri Aurobindo College of Dentistry, Indore, Madhya Pradesh, India
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Jain H, Ballal NV. Comparison between the use of thermoplasticized gutta-percha and a polydimethyl siloxane-based material in filling internal resorptive cavities using spiral computed tomography. Microsc Res Tech 2018; 82:149-152. [PMID: 30556275 DOI: 10.1002/jemt.23163] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 09/08/2018] [Accepted: 10/06/2018] [Indexed: 11/07/2022]
Abstract
To evaluate the fill of internal resorption cavities obturated with thermoplasticized gutta-percha and GuttaFlow2 using CT scan. Twenty human maxillary anterior teeth were selected and root canals were prepared using ProTaper system to size F3. Irrigation was performed with 5 ml of 2.5% sodium hypochlorite (NaOCl) and 5 ml of 17% ethylenediaminetetraacetic acid (EDTA). Each root was then sectioned horizontally into two halves and semicircular cavities were prepared around the periphery of the root canal opening of each root half, using a round bur. Both the root halves were then fixed using cyanoacrylate glue. All the specimens were subjected to preoperative CT scan analysis to determine the volume of internal cavities. The samples were then randomly divided into two groups. In Group 1, the specimens were obturated with thermoplasticized gutta-percha (E&Q system) and specimens in Group 2 were obturated using GuttaFlow2. All specimens were then subjected to postoperative CT scan analysis. The volume of voids in internal resorptive cavities were calculated, which was then used to estimate the amount of gutta-percha filled. There was no significant difference in volume of internal resorptive cavities between thermoplasticized gutta-percha and GuttaFlow2 groups before obturation (p = 0.466). However, after obturation there was a significant difference between both the groups, in which GuttaFlow2 demonstrated better fill (p = .014). Thermoplasticized gutta-percha filled 81% of internal resorptive cavity while GuttaFlow2 filled 91%, respectively. GuttaFlow2 showed better fill than thermoplasticized gutta-percha in the filling of internal resorptive cavities.
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Affiliation(s)
- Himanshu Jain
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Nidambur Vasudev Ballal
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
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Das S, De Ida A, Das S, Nair V, Saha N, Chattopadhyay S. Comparative evaluation of three different rotary instrumentation systems for removal of gutta-percha from root canal during endodontic retreatment: An in vitro study. J Conserv Dent 2018; 20:311-316. [PMID: 29386777 PMCID: PMC5767824 DOI: 10.4103/jcd.jcd_132_17] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Context: Endodontic retreatment is performed in teeth with endodontic failures. The main goal of retreatment is cleaning and shaping of the root canal with removal of old root filling material. Hand instruments and rotary instruments are mainly used for removing this filling material. Aim of Study: To compare the relative efficacy of three rotary instrumentation systems for removal of gutta-percha from root canal during endodontic retreatment. Objective of Study: To find out which NiTi system is more efficacious in retreatment and to check out the efficacy of retreatment with and without use of solvent. Materials and Methods: Sixty freshly extracted, single-rooted human mandibular premolars were instrumented with K-files, and each root canal was filled with gutta-percha and AH Plus (Dentsply Detrey, Konstanz, Germany) sealer using lateral compaction. Specimens were then divided into three experimental groups with twenty specimens each. Groups were then subdivided into ten specimens each. Groups were then retreated either with or without solvent. The removal of gutta-percha was performed using ProTaper retreatment files, Mtwo retreatment files, and R-Endo files after 2 weeks. The amount of root canal filling material remnant in the coronal, middle, and apical thirds was measured using stereomicroscope and computer image analysis program. Statistical Analysis Used: Data were evaluated statistically using analysis of variance. Results: ProTaper group was found to have less remnant filling material as compared to the other groups in coronal and middle thirds, but a significant difference was observed between ProTaper and Mtwo and Mtwo and R-Endo in the nonsolvent groups (P < 0.05). Mtwo group demonstrated less amount of remaining filling material in the nonsolvent group. Conclusions: Both nickel–titanium systems and ProTaper and Mtwo retreatment file systems, were found to be effective in the removal of root canal filling material. However, complete removal of gutta-percha from root canals did not occur with any of the experimental groups.
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Affiliation(s)
- Siddhartha Das
- Department of Conservative Dentistry, North Bengal Dental College and Hospital, Darjeeling, India
| | - Ataide De Ida
- Department of Conservative Dentistry, Goa Dental College and Hospital, Goa, India
| | - Subhasis Das
- Department of Conservative Dentistry, Burdwan Dental College and Hospital, Bardhaman, West Bengal, India
| | - Vineet Nair
- Department of Periodontia, North Bengal Dental College and Hospital, Darjeeling, India
| | - Nairita Saha
- Department of Oral Medicine and Radiology, North Bengal Dental College and Hospital, Darjeeling, India
| | - Sayan Chattopadhyay
- Department of Oral Medicine and Radiology, North Bengal Dental College and Hospital, Darjeeling, India
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Biscontine AC, Diliberto AJ, Hatton JF, Woodmansey KF. Intraradicular Appearances Affect Radiographic Interpretation of the Periapical Area. J Endod 2017; 43:2014-2019. [PMID: 29061353 DOI: 10.1016/j.joen.2017.07.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 07/31/2017] [Indexed: 10/18/2022]
Abstract
INTRODUCTION No research exists evaluating the influences of specific variables such as obturation length, radiodensity, or the presence of voids on interpretation of periradicular area. The purpose of this study was to evaluate the effects of obturation length, radiodensity, and the presence of voids on the radiographic interpretations of periapical areas. METHODS In a Web-based survey, 3 test image groups of variable obturation lengths, radiodensities, and numbers of voids were presented to observers for evaluation of the periapical areas. Intracanal areas of the images were altered by using Adobe Photoshop to create 3 test image groups. Each observer reviewed 2 control images and 1 image from each test image group. Responses were recorded in a 5-point Likert-type scale. Within each test image group, the periapical areas were identical. Kruskal-Wallis, Mann-Whitney U, and Cliff's delta statistical tests were used to analyze results. RESULTS A total of 748 observer responses were analyzed. Significant differences (P ≤ .01) in the median Likert-type scale responses were identified between the following paired groups: 3 mm short and 1 mm short, 3 mm short and flush, lower radiodensity and higher radiodensity, lower radiodensity and intermediate radiodensity, no voids and several voids, and several voids and single void. Effect sizes ranged from 0.19 to 0.41. CONCLUSIONS Significant differences were noted within all 3 test image groups: length, radiodensity, and presence of voids. Length of obturation had the largest effect on interpretation of the periapical area, with the 3 mm short radiographic obturation length image interpreted less favorably.
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Affiliation(s)
| | - Adam J Diliberto
- Center for Advanced Dental Education, Saint Louis University, St Louis, Missouri
| | - John F Hatton
- Center for Advanced Dental Education, Saint Louis University, St Louis, Missouri
| | - Karl F Woodmansey
- Center for Advanced Dental Education, Saint Louis University, St Louis, Missouri.
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Bajaj N, Monga P, Mahajan P. Assessment of consistency in the dimension of gutta-percha cones of ProTaper Next and WaveOne with their corresponding number files. Eur J Dent 2017; 11:201-205. [PMID: 28729793 PMCID: PMC5502565 DOI: 10.4103/ejd.ejd_167_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVES To compare the dimensions of gutta-percha (GP) cones of ProTaper Next (25/0.06) and WaveOne (25/0.08) in relation to their corresponding instruments of the same dimension, respectively. MATERIALS AND METHODS Two groups of GP cones were made with 25 cones in each group. Group 1 consisted of 25 GP cones # 25/0.06 (ProTaper Next). Group 2 consisted of 25 GP cones # 25/0.08 (WaveOne). Measurements were done at D1 (1 mm short of the tip), D3 (3 mm short of the tip), and D11 (11 mm short of the tip) for GP cones of both groups and were compared with their corresponding instruments. RESULTS Group 1 (ProTaper) 25/.06 GP points showed greater diameters than those of the corresponding instrument, which was statistically significant. Group 2 (WaveOne) 25/0.08 GP points showed greater diameters than those of the corresponding instrument which was statistically significant whereas it was nonsignificant at level D1. CONCLUSION Diameters of both ProTaper Next and WaveOne GP cones were greater than their corresponding instruments. Hence, there are chances of under obturation with both systems.
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Affiliation(s)
- Nitika Bajaj
- Department of Pedodontics and Preventive Dentistry, Dasmesh Institute of Research and Dental Science, Faridkot, Punjab, India
| | - Prashant Monga
- Department of Conservative Dentistry and Endodontics, Genesis Institute of Dental Sciences and Research, Ferozepur, Punjab, India
| | - Pardeep Mahajan
- Department of Conservative Dentistry and Endodontics, Genesis Institute of Dental Sciences and Research, Ferozepur, Punjab, India
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Vasconcelos RAD, Camargo CHR, Cavalcanti BN, Manhães LRC, Gonçalves SHF. Adaptation of gutta percha to oval canals: a cone beam computed tomographic analysis. Gen Dent 2017; 65:e13-e17. [PMID: 28475094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This study evaluated the influence of different instrumentation techniques on the adaptation of gutta percha cones in oval-shaped root canals. A total of 90 human single-rooted teeth were divided into groups according to the instrumentation technique that was used: group M, manual; group OM, hybrid: oscillatory plus manual; group PT, rotary (ProTaper Universal); group OPT, hybrid: oscillatory plus rotary (ProTaper Universal); group MT, rotary (Mtwo); and group OMT, hybrid: oscillatory plus rotary (Mtwo). After a single gutta percha cone was adapted to the canal, cone beam computed tomography was utilized to perform assessments at areas of greater contact of gutta percha to root canal walls. The adaptation was rated as ideal, satisfactory, minimally acceptable, or unsatisfactory. The frequency of ideal adaptation of the cone to the 4 canal walls varied from 26.67% (groups OMT and PT) to 73.33% (group MT); the differences between group MT and groups PT and OMT were statistically significant (P < 0.05). The mean area of the canal preparation without adaptation (contact) of the cone varied from 0.06 mm² (group MT) to 0.41 mm² (group OMT). The results showed that an instrumentation technique using the Mtwo system provided the best adaptation of the .04 gutta percha cones to anatomically oval root canals.
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Özkurt-Kayahan Z, Barut G, Ulusoy Z, Oruçoğlu H, Kayahan MB, Kazazoğlu E, Haznedaroğlu F. Influence of Post Space Preparation on the Apical Leakage of Calamus, Single-Cone and Cold Lateral Condensation Obturation Techniques: A Computerized Fluid Filtration Study. J Prosthodont 2017; 28:587-591. [PMID: 28387992 DOI: 10.1111/jopr.12623] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2017] [Indexed: 12/01/2022] Open
Abstract
PURPOSE Apical microleakage between the root canal and periapical tissues is considered a common cause of endodontic failure. The aim of this study was to evaluate the apical microleakage of various obturation techniques after immediate post space preparations with different drills. MATERIALS AND METHODS One hundred twenty human single-rooted teeth were selected for this study. The coronal portions were removed to achieve a uniform length of 15 mm. All root canals were instrumented with ProTaper Next rotary files using crown-down technique. The 120 roots were randomly assigned to 3 experimental groups according to obturation technique (n = 40). The root canals were obturated with lateral condensation in group 1, single-cone technique in group 2, and Calamus 3D obturation system in group 3. Each group was divided into two subgroups (n = 20) according to drill types (Gates Glidden and Peeso drills) leaving 5 mm of apical gutta-percha. The apical microleakage was measured using the computerized fluid filtration meter method. The results were evaluated using Kruskal-Wallis test with Bonferroni Corrected Mann-Whitney U multiple comparison post hoc tests. RESULTS There was no statistically significant difference between obturation techniques after post space preparation with Peeso drills (p > 0.05). In Gates Glidden drill groups, single-cone technique demonstrated higher leakage (0.0051 ± 0.0037 μl x min-1 × cmH2 O-1 ) than Calamus techniques (0.0019 ± 0.0012 μl x min-1 × cmH2 O-1 ) (p < 0.017). CONCLUSIONS Gates Glidden drills caused the highest apical leakage in teeth obturated with single-cone technique.
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Affiliation(s)
- Zeynep Özkurt-Kayahan
- Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
| | - Güher Barut
- Department of Endodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
| | - Zuhal Ulusoy
- Department of Endodontics, Faculty of Dentistry, Abant İzzet Baysal University, Bolu, Turkey
| | - Hasan Oruçoğlu
- Department of Endodontics, Faculty of Dentistry, Abant İzzet Baysal University, Bolu, Turkey
| | | | - Ender Kazazoğlu
- Department of Prosthodontics, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
| | - Faruk Haznedaroğlu
- Department of Endodontics, Faculty of Dentistry, Istanbul University, Istanbul, Turkey
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Nagaveni NB, Yadav S, Poornima P, Reddy VS, Roshan NM. Volumetric Evaluation of Different Obturation Techniques in Primary Teeth Using Spiral Computed Tomography. J Clin Pediatr Dent 2017; 41:27-31. [PMID: 28052215 DOI: 10.17796/1053-4628-41.1.27] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Various obturation techniques have been evaluated for better filling of the root canals in primary teeth using different methods. Spiral Computed Tomography (SCT) is a new revolution in the pediatric endodontics for assessment of quality of the obturation from 3 dimensions. OBJECTIVES To evaluate the efficiency of 5 different obturation methods in delivering the filling material into the canals of primary teeth using Spiral Computed Tomography scan. STUDY DESIGN A total of 50 canals of primary teeth were prepared, divided into 5 groups with 10 canals in each group and obturated with Zinc Oxide Eugenol cement using 5 different obturation techniques such as Local anesthetic syringe, Tuberculin syringe, Endodontic plugger, hand held Lentulo-spiral, and Lentulo-spiral mounted on slow speed hand piece. The pre and post obturation volume and finally the Percentage of Obturated Volume (POV) were calculated using SCT scan for each group. The data obtained was statistically analyzed using One-way Analysis of Variance (ANOVA) and Tukey's post-hoc test. RESULTS Lentulo-spiral hand held showed highest POV value followed by Lentulospiral mounted to hand piece, Tuberculin syringe and Endodontic plugger; whereas Anesthetic syringe had least POV (P < 0.05). CONCLUSION Lentulo-spiral hand held is the best obturating technique among the 5 groups evaluated as the canals of this group showed maximum percentage of filled material. However, a further study with large sample size is highly essential.
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Abstract
AIM The purpose of this study was to evaluate the effects of technique on the filling quality of 2 recently introduced obturation systems comparatively with warm vertical compaction using micro-computed tomography. METHODS 36 single-rooted teeth were selected, root canals prepared, and assigned to 3 groups (n=12), according to the filling technique: warm vertical compaction technique WVC, GuttaCore (Dentsply Tulsa Dental Specialties, Tulsa, OK) and Gutta Fusion (VDW, Germany). Each specimen was scanned using a micro-CT. Percentage of voids was calculated and data statistically analyzed using Kruskal Wallis test with a significance level of 5%. RESULTS All obturations showed satisfactory similar results at the apical level. Differences between the three obturation methods were not significant at 1 mm (-p-value >0.05), 3 mm (-p-value >0.05) and 5 mm (-p-value >0.05). No root fillings were void-free. No significant difference was found between the WVC technique, the GuttaCore technique and the Gutta Fusion technique concerning percentage of apical voids regardless of canal level. CONCLUSION This study shows the efficiency of cross-linked obturators in filling root canals hermetically by comparing them to the warm vertical compaction technique. Results show that these obturation techniques were equally sufficient concerning apical adaptation making them appropriate to use in endodontic obturations.
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Affiliation(s)
- Carla Zogheib
- Ass Pr, Department of Endodontics, St Joseph University, Beirut, Lebanon
| | - Monique Hanna
- Department of Endodontics, St Joseph University, Beirut, Lebanon
| | | | - Alfred Naaman
- Pr, Department of Endodontics, St Joseph University, Beirut, Lebanon
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Alhashimi RA, Mannocci F, Sauro S. Experimental polyethylene-hydroxyapatite carrier-based endodontic system: an in vitro study on dynamic thermomechanical properties, sealing ability, and measurements of micro-computed tomography voids. Eur J Oral Sci 2016; 124:279-86. [PMID: 27041355 DOI: 10.1111/eos.12265] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2016] [Indexed: 11/27/2022]
Abstract
The dynamic thermomechanical properties, sealing ability, and voids formation of an experimental obturation hydroxyapatite-reinforced polyethylene (HA/PE) composite/carrier system were investigated and compared with those of a commercial system [GuttaCore (GC)]. The HA/PE system was specifically designed using a melt-extrusion process. The viscoelastic properties of HA/PE were determined using a dynamic thermomechanical analyser. Human single-rooted teeth were endodontically instrumented and obturated using HA/PE or GC systems, and then sealing ability was assessed using a fluid filtration system. In addition, micro-computed tomography (μCT) was used to quantify apparent voids within the root-canal space. The data were statistically analysed using one-way anova and post hoc tests. The HA/PE composite exhibited important modulus and damping changes with an increase of temperature. The HA/PE system was more flexible than GC as the modulus of GC appeared to be significantly higher than that of HA/PE as a result of the high positive glass transition temperature (Tg ). However, HA/PE and GC presented similar sealing abilities. In conclusion, because sealing ability and voids formation were comparable between the tested materials, the experimental HA/PE system may be considered a suitable alternative material for root-canal obturation. Moreover, HA/PE possesses specific viscoelastic behaviour and lower melting points, which may facilitate root-canal retreatments.
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Affiliation(s)
- Raghad A Alhashimi
- Department of Conservative Dentistry, College of Dentistry, Baghdad University, Baghdad, Iraq.,Department of Conservative Dentistry, King's College London Dental Institute, London, UK
| | - Francesco Mannocci
- Department of Conservative Dentistry, King's College London Dental Institute, London, UK
| | - Salvatore Sauro
- Departamento de Odontologia, Facultad de Ciencias de la Salud, Universidad CEU-Cardenal Herrera, Valencia, Spain
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Singh R, Chaudhary S, Manuja N, Chaitra TR, Sinha AA. Evaluation of Different Root Canal Obturation Methods in Primary Teeth Using Cone Beam Computerized Tomography. J Clin Pediatr Dent 2015; 39:462-9. [PMID: 26551371 DOI: 10.17796/1053-4628-39.5.462] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To evaluate the efficiency of 3 different obturation techniques; motor driven lentulospiral, hand held lentulospiral and reamer in primary anterior teeth and presence of voids by analyzing with CBCT. STUDY DESIGN 60 single rooted extracted primary teeth were prepared and obturated with ZOE paste. Obturation methods were divided into three groups. GROUP I- motor driven lentulo spiral, II- hand held lentulo spiral and III- reamer. Obturated samples were scanned in CBCT machine and images were analysed for the evaluation of their quality of fill comprising presence, location and size of voids. RESULTS At all the locations, Group II had maximum number of sites with voids when compared to other two groups. However, statistically significant intergroup differences were observed only at coronal third location (p=0.001) and overall assessment (p=0.003). Number of affected sites revealed the difference between Groups I and II be significant statistically (p=0.002) while the difference between Groups I and III and between Groups II and III was not significant statistically (p>0.05). At all the locations as well as for combined assessment, Group I had minimum mean size of the void. CONCLUSION Motor driven lentulo spiral technique demonstrated more number of optimal fills with fewer voids when compared to hand held lentulo spiral technique and reamer.
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Langalia AK, Dave B, Patel N, Thakkar V, Sheth S, Parekh V. Comparative Evaluation of Fracture Resistance of Endodontically Treated Teeth Obturated with Resin Based Adhesive Sealers with Conventional Obturation Technique: An In vitro Study. J Int Oral Health 2015; 7:6-12. [PMID: 25859099 PMCID: PMC4377154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2014] [Accepted: 11/22/2014] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND To compare fracture resistance of endodontically treated teeth obturated with different resin-based adhesive sealers with a conventional obturation technique. MATERIALS AND METHODS A total of 60 Single canaled teeth were divided into five groups. The first group was taken as a negative control. The rest of the groups were shaped using ProFile rotary files (Dentsply Maillefer, Ballaigues, Switzerland). The second group was obturated with gutta-percha and a ZOE-based sealer Endoflas FS (Sanlor Dental Products, USA). The third group was obturated with gutta-percha and an epoxy-based sealer AH Plus (Dentsply, DeTrey, Germany). The fourth group was obturated with Resilon (Pentron Clinical Technologies, Wallingford, CT) and RealSeal sealer (Pentron Clinical Technologies). The fifth group was obturated with EndoREZ points and EndoREZ sealer (both from Ultradent, South Jordan, UT). Roots were then embedded into acrylic blocks and were then fixed into a material testing system and loaded with a stainless steel pin with a crosshead speed of 5 mm/min until fracture. The load at which the specimen fractured was recorded in Newtons. RESULTS It was found that forces at fracture were statistically significant for the newer resin systems, Resilon, and EndoREZ. CONCLUSION It was concluded that roots obturated with newer resin systems (Resilon and EndoREZ) enhanced the root strength almost up to the level of the intact roots.
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Affiliation(s)
- Akshay K Langalia
- Senior Lecturer, Department of Conservative Dentistry and Endodontics, AMC Dental College and Hospital, Ahmedabad, Gujarat, India,Correspondence: Dr. Langalia AK, Akshay Surgical Hospital, Parsival Para, Opposite Nagrik Bank, Mahuva - 364 290, Bhavnagar, Gujarat, India.
| | - Bela Dave
- Professor and Head, Department of Periodontology, AMC Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Neeta Patel
- Reader, Department of Conservative Dentistry and Endodontics, AMC Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Viral Thakkar
- Reader, Department of Periodontology, AMC Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Sona Sheth
- Reader and Head, Department of Public Health Dentistry, AMC Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Vaishali Parekh
- Professor and Head, Department of Conservative Dentistry and Endodontics, KM Shah Dental College and Hospital, Pipariya, Vadodara, Gujarat, India
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Abstract
Current rotary file systems are effective tools. Nevertheless, they have two main shortcomings: They are unable to effectively clean and shape oval canals and depend too much on the irrigant to do the cleaning, which is an unrealistic illusionThey may jeopardize the long-term survival of the tooth via unnecessary, excessive removal of sound dentin and creation of micro-cracks in the remaining root dentin. The new Self-adjusting File (SAF) technology uses a hollow, compressible NiTi file, with no central metal core, through which a continuous flow of irrigant is provided throughout the procedure. The SAF technology allows for effective cleaning of all root canals including oval canals, thus allowing for the effective disinfection and obturation of all canal morphologies. This technology uses a new concept of cleaning and shaping in which a uniform layer of dentin is removed from around the entire perimeter of the root canal, thus avoiding unnecessary excessive removal of sound dentin. Furthermore, the mode of action used by this file system does not apply the machining of all root canals to a circular bore, as do all other rotary file systems, and does not cause micro-cracks in the remaining root dentin. The new SAF technology allows for a new concept in cleaning and shaping root canals: Minimally Invasive 3D Endodontics.
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Affiliation(s)
- Zvi Metzger
- Department of Endodontology, School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
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Keleş A, Alcin H, Kamalak A, Versiani MA. Micro-CT evaluation of root filling quality in oval-shaped canals. Int Endod J 2014; 47:1177-84. [PMID: 24527697 DOI: 10.1111/iej.12269] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Accepted: 02/08/2014] [Indexed: 12/01/2022]
Abstract
AIM To assess the percentage volumes of filling materials and voids in oval-shaped canals filled with either cold lateral compaction or warm compaction techniques, using micro-computed tomography (micro-CT). METHODOLOGY Twenty-four single-rooted maxillary premolar teeth with oval-shaped canals were selected and the root canals prepared and assigned to two groups (n = 12), according to the filling technique: cold lateral compaction (CLC) or warm vertical compaction (WVC). Each specimen was scanned using a micro-CT device at an isotropic resolution of 12.5 μm. Percentage volumes of root filling materials and voids were calculated, and data were statistically analysed using Student's t-test and Friedman's test, with a significance level of 5%. RESULTS Overall, mean percentage volumes of gutta-percha, sealer and voids were 82.33 ± 3.14, 13.42 ± 2.91 and 4.26 ± 0.74 in the CLC group and 91.73 ± 4.48, 7.70 ± 4.44 and 0.57 ± 0.44 in the WVC group, respectively, with a statistically significant difference between groups (P < 0.05). At the apical level, differences in the percentage volumes of filling materials and voids between groups were not significant (P > 0.05). CONCLUSIONS No root fillings were void free. Warm vertical compaction produced a significantly greater volume of gutta-percha and a significantly lower percentage of voids than those achieved with cold lateral compaction. Distribution of sealer and voids within the root canal space after root filling was unpredictable, irrespective of the technique used.
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Affiliation(s)
- A Keleş
- Department of Endodontics, Faculty of Dentistry, İnönü University, Malatya, Turkey
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Rangappa KG, Hegde J, Chikkamallaiah C, Bashetty K, Rashmi K, Kumar KK. Comparative evaluation of the sealing ability of different obturation systems used over apically separated rotary nickel-titanium files: An in vitro study. J Conserv Dent 2013; 16:408-12. [PMID: 24082568 PMCID: PMC3778621 DOI: 10.4103/0972-0707.117502] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 03/08/2013] [Accepted: 05/14/2013] [Indexed: 11/29/2022] Open
Abstract
Aim: The study was designed to investigate the sealing ability of two obturation systems (cold laterally compacted gutta percha and Obtura II) over different apically separated rotary nickel-titanium files (RACE and K3 system) using dye extraction method. Materials and Methods: Sixty-two mandibular premolars were divided into 2 groups of 30 teeth each, and 2 teeth served as negative controls. In Groups A and B, roots were prepared using RACE and K3 system, respectively, and were further subdivided into 4 subgroups. In subgroups A1, B1 and A2, B2 (n = 10 each), files were separated at 3 mm from the tip in apical 3rd of the canal. In subgroups A3, B3 and A4, B4 (n = 5), instruments were not separated. Subgroups A1, A3, B1, B3 and A2, A4, B2, B4 were obturated by lateral condensation method and Obtura II techniques, respectively. The sealing ability of the obturated specimens were tested using dye extraction method. The values for each group were recorded and analysis of variance (ANOVA), Student “t” test (two-tailed, independent), and Leven's test were performed. Results: Group A1 showed significantly less leakage than B1. No statistical significant difference between Groups A2 and B2 and Groups A3 and B3, respectively, were observed. Group A4 showed significantly less leakage than B4. Conclusion: Groups obturated with Obtura II showed less leakage than the lateral condensation technique irrespective of presence or absence of fractured NiTi rotary system.
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Affiliation(s)
| | - Jayshree Hegde
- Department of Conservative Dentistry and Endodontics, The Oxford Dental College, Bangalore, Karnataka, India
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Emmanuel S, Shantaram K, Sushil KC, Manoj L. An In-Vitro Evaluation and Comparison of Apical Sealing Ability of Three Different Obturation Technique - Lateral Condensation, Obtura II, and Thermafil. J Int Oral Health 2013; 5:35-43. [PMID: 24155589 PMCID: PMC3768066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 02/02/2013] [Indexed: 06/02/2023] Open
Abstract
INTRODUCTION Success of non-surgical root canal treatment is predicted by meticulous cleaning and shaping of the root canal system, three-dimensional obturation and a well-fitting "leakage-free" coronal restoration. The techniques of obturation that are available have their own relative position in the historical development of filling techniques. Over the years, pitfalls with one technique have often led to the development of newer methods of obturation, along with the recognition that no one method of obturation may satisfy all clinical cases. MATERIALS AND METHODS A total of 120 extracted human permanent anterior maxillary and mandibular single rooted teeth were selected for the present study and divided into 3 groups based on the method of obturation technique. Following the preparation the patency at the apical foramen was confirmed by passing a file #15. After obturation of all three groups, teeth were immersed in 1% of aqueous methylene blue dye for a period of two weeks and then samples were subjected to spectrophotometric analysis. RESULTS The present study was conducted to evaluate in vitro the spectrophotometric analysis to quantitatively analyze relative amount of dye penetration using lateral condensation (Group I), Obtura II (Group II ), Thermafil obturating technique (Group III) with ZOE sealer used in all groups. Teeth obturated with lateral condensation (Group I) shows mean value of 0.0243 and standard deviation of 0.0056. The Group II thermoplasticized injectable moulded Guttapercha (Obtura II) showed 0.0239 mean and standard deviation value of 0.0045 and Group III Thermafil obturation technique shows 0.0189 as mean value and 0.0035 standard deviation values. CONCLUSION Following conclusion was drawn from the present study. Group III i.e., Thermafil obturating technique shows minimum mean apical dye penetration compared to Group II (ObturaII) and Group I (lateral condensation).Lateral condensation shows maximum mean apical dye penetration in all three groups.There is no significant difference between the apical dye penetration of lateral condensation and Obtura II. KEYWORDS Obturation, lateral condensation, Obtura II, Thermafil, Spectrophotometer, dye penetration. How to cite this article: Samson E, Kulkarni S, Sushil K C, Likhitkar M. An In-Vitro Evaluation and Comparison of Apical Sealing Ability of Three Different Obturation Technique - Lateral Condensation, Obtura II, and Thermafil. J Int Oral Health 2013; 5(2):35-43.
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Affiliation(s)
- Samson Emmanuel
- Department of Conservative Dentistry and Endodontics, Dr. H.S.R.S.M Dental College Hingoli, Maharashtra, India
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Ansari BB, Umer F, Khan FR. A clinical trial of cold lateral compaction with Obtura II technique in root canal obturation. J Conserv Dent 2012; 15:156-60. [PMID: 22557815 PMCID: PMC3339011 DOI: 10.4103/0972-0707.94591] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2011] [Revised: 09/06/2011] [Accepted: 11/20/2011] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION The purpose of obturation of the prepared root canal space is to prevent coronal leakage and bacterial contamination and to seal the apex from the periapical tissue fluids. Cold lateral technique has been considered to be a gold standard, however considering its limitations various thermoplasticized gutta-percha techniques have been recommended. This study compares radiographic quality of obturation in molar teeth, obturated with cold lateral condensation and thermoplasticized injectable gutta-percha technique (Obtura II system). MATERIALS AND METHODS Sixty patients were equally divided into two groups, Group A obturated with Cold lateral condensation technique and group B with Obtura II. Periapical radiographs were obtained immediately after the obturation using paralleling device method. The radiographs were examined by an observer, who was blinded to the group allocation. Data was compared using χ(2) (Chi square) test and Independent sample t test was used to compare the mean ages. RESULTS Both groups were comparable in all respects such as tooth type, preoperative diagnosis and preoperative pain (P>0.05); however, more pre-operative radiolucency cases were allocated to Obtura II (P<0.05). There was no difference between the two groups, both in terms of postoperative voids as well as apical termination of the obturation (P>0.05). CONCLUSION Within the limitations of the study, it was found that statistically there was no significant difference between cold lateral and obtura II technique, in terms of post obturation voids and apical termination, as observed in radiographs.
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Affiliation(s)
- Bilal Bakht Ansari
- Department of Operative Dentistry, Ziauddin College of Dentistry, Ziauddin University, Karachi, Pakistan
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Taneja S, Chadha R, Gupta R, Gupta A. Comparative evaluation of sealing properties of different obturation systems placed over apically fractured rotary NiTi files. J Conserv Dent 2012; 15:36-40. [PMID: 22368333 PMCID: PMC3284011 DOI: 10.4103/0972-0707.92604] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 08/11/2011] [Accepted: 08/20/2011] [Indexed: 11/04/2022] Open
Abstract
Aim: To evaluate sealing properties of different obturation systems placed over apically fractured rotary NiTi files. Materials and Methods: Forty freshly extracted human mandibular premolars were prepared by using Protaper (Dentsply-Maillefer, Ballaigues, Switzerland) or the RaCe (FKG Dentaire, La Chaux-de-Fonds, Switzerland) systems (n=20 for each), after which half of the specimens were subjected to instrument separation at the apical level. Roots with and without apically separated instruments (n=5) were filled with the two obturation systems i.e. Thermafil and lateral compaction technique. The modified glucose penetration setup was used to assess the microleakage. The leakage data was statistically analyzed. Results: The amount of leakage was significantly lower in specimens containing fractured instruments, regardless of the obturation method used. Roots obturated with Thermafil displayed significantly less leakage than cold lateral compaction technique, both, in the presence and absence of separated instruments. There was no significant difference among specimens prepared with ProTaper and RaCe when Thermafil obturation was done. But with cold lateral compaction technique, RaCe system showed less leakage as compared to ProTaper system. Conclusion: The type of obturation may play more important role than the type of instrument or retained/non-retained instrument factor.
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Affiliation(s)
- Sonali Taneja
- Department of Conservative Dentistry and Endodontics, ITS college of Dental Sciences and Research, Muradnagar, Ghaziabad, Uttar Pradesh, India
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