Restorative Dentistry & Endodontics最新文献

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The effect of limonene extract on the adhesion of different endodontic cements to root dentin: an in vitro experimental study. 柠檬烯提取物对不同根管胶合剂与根本质黏附作用的体外实验研究。
Restorative Dentistry & Endodontics Pub Date : 2025-05-12 DOI: 10.5395/rde.2025.50.e16
Nayara Lima Ferraz Aguiar, Eduardo José Soares, Guilherme Nilson Alves Dos Santos, Anna Luísa Araújo Pimenta, Laryssa Karla Romano, Ricardo Gariba Silva, Fernanda de Carvalho Panzeri
{"title":"The effect of limonene extract on the adhesion of different endodontic cements to root dentin: an in vitro experimental study.","authors":"Nayara Lima Ferraz Aguiar, Eduardo José Soares, Guilherme Nilson Alves Dos Santos, Anna Luísa Araújo Pimenta, Laryssa Karla Romano, Ricardo Gariba Silva, Fernanda de Carvalho Panzeri","doi":"10.5395/rde.2025.50.e16","DOIUrl":"https://doi.org/10.5395/rde.2025.50.e16","url":null,"abstract":"<p><strong>Objectives: </strong>The study aimed to evaluate the effect of limonene extract (LE) on push-out bond strength (BS) to root dentin in endodontically treated teeth.</p><p><strong>Methods: </strong>Single-rooted teeth were selected and instrumented using the reciprocating technique, then divided into three groups based on the final irrigating solution: 2.5% sodium hypochlorite (NaOCl), 17% ethylenediaminetetraacetic acid (EDTA), and 5% LE. The roots were further divided (n = 12) and obturated using the single-cone technique with epoxy resin-based (ERB) or bioceramic sealer (Bio-C). After 3 days, the roots were sectioned into 2-mm slices, obtaining two slices from each root third. Push-out BS testing was conducted at 0.5 mm/min, followed by failure pattern and adhesive interface analysis using scanning electron microscopy. Push-out BS data were analyzed by three-way analysis of variance and Tukey post-hoc test (p < 0.05).</p><p><strong>Results: </strong>ERB showed higher BS when irrigated with EDTA (5.0 ± 2.3 MPa) compared to NaOCl (1.8 ± 1.1 MPa) (p = 0.0005), particularly in the cervical third. LE yielded intermediate values without significant differences from the other irrigants (3.5 ± 1.9 MPa) (p > 0.05). For Bio-C, the highest BS was observed in the apical third, especially with LE (9.4 ± 5.0 MPa), differing from other thirds and final irrigating solutions (p < 0.05). Mixed failure patterns were most prevalent, regardless of the irrigant solutions.</p><p><strong>Conclusions: </strong>The combination of LE with Bio-C demonstrated superior BS in the apical third, suggesting its potential as a final irrigating solution in endodontic treatments.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144018509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bibliometric analysis of the GentleWave system: trends, collaborations, and research gaps. 文献计量学分析的绅士波系统:趋势,合作,和研究差距。
Restorative Dentistry & Endodontics Pub Date : 2025-05-12 DOI: 10.5395/rde.2025.50.e17
Raimundo Sales de Oliveira Neto, Thais de Moraes Souza, João Vitor Oliveira de Amorim, Thaine Oliveira Lima, Guilherme Ferreira da Silva, Rodrigo Ricci Vivan, Murilo Priori Alcalde, Marco Antonio Hungaro Duarte
{"title":"Bibliometric analysis of the GentleWave system: trends, collaborations, and research gaps.","authors":"Raimundo Sales de Oliveira Neto, Thais de Moraes Souza, João Vitor Oliveira de Amorim, Thaine Oliveira Lima, Guilherme Ferreira da Silva, Rodrigo Ricci Vivan, Murilo Priori Alcalde, Marco Antonio Hungaro Duarte","doi":"10.5395/rde.2025.50.e17","DOIUrl":"https://doi.org/10.5395/rde.2025.50.e17","url":null,"abstract":"<p><strong>Objectives: </strong>The study aimed to conduct a bibliometric analysis of the GentleWave system (Sonendo, Inc.).</p><p><strong>Methods: </strong>An electronic search was conducted in June 2024 using the Web of Science Collection database. Two reviewers independently screened publications, extracting data on authorship, publication details, study design, and citation metrics. Statistical analyses were performed in R to assess variable correlations, while the VOSviewer (Visualization of Similarities Viewer) software was used to map author and keyword networks.</p><p><strong>Results: </strong>The search yielded 47 records, with 32 studies included. Publications spanned 2014 to 2024. The Journal of Endodontics published the highest number of studies (n = 15), and the International Endodontic Journal had the highest impact factor (5.4). The University of British Columbia and Sonendo, Inc. were the most frequent affiliations. Among the 32 articles, 28 were in vitro studies, primarily focusing on microbiology (n = 9). A total of 95 authors were identified, with Haapasalo and Shen being the most cited (n = 229). The articles accumulated 495 citations, demonstrating a strong positive correlation between the number of studies and citation counts (r = 0.98).</p><p><strong>Conclusions: </strong>The analysis highlights a predominance of in vitro studies. Geographic concentration in the United States and Canada limits diversity, while the strong correlation between study numbers and citations suggests that increased publication volume enhances visibility.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144021762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of surface treatment on glass ionomers in sandwich restorations: a systematic review and meta-analysis of laboratory studies. 夹层修复中表面处理对玻璃离聚体的影响:实验室研究的系统回顾和荟萃分析。
Restorative Dentistry & Endodontics Pub Date : 2025-04-16 DOI: 10.5395/rde.2025.50.e13
Hoda S Ismail, Ashraf Ibrahim Ali, Franklin Garcia-Godoy
{"title":"Effect of surface treatment on glass ionomers in sandwich restorations: a systematic review and meta-analysis of laboratory studies.","authors":"Hoda S Ismail, Ashraf Ibrahim Ali, Franklin Garcia-Godoy","doi":"10.5395/rde.2025.50.e13","DOIUrl":"https://doi.org/10.5395/rde.2025.50.e13","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the effect of different surface treatments on the bond strength between new or aged glass ionomers (GI) and resin composites in sandwich restorations.</p><p><strong>Methods: </strong>A comprehensive search was conducted in three databases to identify studies focusing on the bond strength of new or aged GIs and resin composites in laboratory settings. The selected studies were assessed for potential biases based on predetermined criteria. Additionally, a meta-analysis was performed using three studies.</p><p><strong>Results: </strong>A total of 29 studies were included, with 24 investigating the bond strength of new GIs and five focusing on GI repair. Three studies were included in the meta-analysis (with a 95% confidence interval) which revealed no significant difference in the mean MPa values of resin-modified glass ionomer (RMGI) treated with phosphoric acid or Er,Cr:YSGG laser before the application of an etch-and-rinse adhesive. Surface treatment was found to be crucial for achieving optimal bonding between GI and resin composite, regardless of the GI's condition.</p><p><strong>Conclusions: </strong>The combination of mechanical and chemical surface treatments does not significantly affect the bond strength between new RMGI and composite. However, for GI repair, it is recommended to use both treatments to enhance the bond strength.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144043095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the effects of different file systems and apical functions of integrated endodontic motors on debris extrusion: an ex vivo experimental study. 评价不同文件系统和集成根管马达根尖功能对碎片挤压的影响:一项离体实验研究。
Restorative Dentistry & Endodontics Pub Date : 2025-04-14 DOI: 10.5395/rde.2025.50.e14
Sıla Nur Usta, Antonio Magan-Fernandez, Cumhur Aydın
{"title":"Evaluation of the effects of different file systems and apical functions of integrated endodontic motors on debris extrusion: an ex vivo experimental study.","authors":"Sıla Nur Usta, Antonio Magan-Fernandez, Cumhur Aydın","doi":"10.5395/rde.2025.50.e14","DOIUrl":"https://doi.org/10.5395/rde.2025.50.e14","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to evaluate the effects of two different file systems operated with three apical functions of an endodontic motor integrated with an electronic apex locator on debris extrusion.</p><p><strong>Methods: </strong>Sixty single-rooted teeth were prepared and divided into two main groups and three subgroups based on the file system (OneShape [Micro-Mega SA] and WaveOne [Dentsply Maillefer]) and apical function of the endodontic motor used (auto apical stop [AAS], auto apical reverse [AAR], and auto apical slowdown [ASD]). The teeth were mounted in pre-weighed glass tubes filled with 0.9% sodium chloride to complete the circuit with the apex locator. Files were advanced until the respective apical function (stop, reverse, or slowdown) was activated. The extruded debris was collected, dried, and weighed by subtracting pre-weighed values from post-weighed values. Preparation time was also recorded. Statistical analyses were performed to compare the groups.</p><p><strong>Results: </strong>OneShape was associated with significantly less debris extrusion compared to WaveOne, regardless of the apical function (p < 0.05). The ASD function resulted in the least debris extrusion compared to AAS and AAR (p < 0.05). Preparation time was significantly longer in the ASD function (p < 0.05), while no differences were observed between the file systems (p > 0.05).</p><p><strong>Conclusions: </strong>The OneShape file system and the ASD function produced the least amount of apical debris. While the ASD function requires more preparation time, its potential to minimize debris extrusion suggests it may reduce postoperative symptoms.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143995730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surgical management of maxillary sinusitis of endodontic origin after reestablishing maxillary sinus floor healing through a nonsurgical approach: a case report. 通过非手术方法重建上颌窦底愈合后牙髓源性上颌鼻窦炎的外科治疗:1例报告。
Restorative Dentistry & Endodontics Pub Date : 2025-04-08 DOI: 10.5395/rde.2025.50.e12
Eun-Sook Kang, Min-Kyeong Kim, Mi-Kyung Yu, Kyung-San Min
{"title":"Surgical management of maxillary sinusitis of endodontic origin after reestablishing maxillary sinus floor healing through a nonsurgical approach: a case report.","authors":"Eun-Sook Kang, Min-Kyeong Kim, Mi-Kyung Yu, Kyung-San Min","doi":"10.5395/rde.2025.50.e12","DOIUrl":"https://doi.org/10.5395/rde.2025.50.e12","url":null,"abstract":"<p><p>When root canal infections breach the maxillary sinus floor (MSF), maxillary sinusitis of endodontic origin (MSEO) can result. This case illustrates the surgical management of MSEO following the nonsurgical reestablishment of the MSF. A 55-year-old woman presented with left facial pain and was diagnosed with MSEO originating from the left upper first molar. Despite undergoing nonsurgical root canal treatment, there was no evidence of bony healing after 6 months. However, cone-beam computed tomographic (CBCT) scans revealed the reestablishment of MSF. Subsequently, surgical intervention was carried out using a dental operating microscope. Two years after surgery, CBCT images indicated that the mucosal edema had resolved, and the MSF was well reestablished. Preserving the MSF is crucial for the success of endodontic surgery. When MSEO is present, the integrity of the MSF must be assessed to determine appropriate treatment options.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143812171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An unusual case of dens invaginatus on a mandibular second molar: a case report. 下颌第二磨牙凹牙畸形1例。
Restorative Dentistry & Endodontics Pub Date : 2025-02-01 Epub Date: 2025-01-08 DOI: 10.5395/rde.2025.50.e2
Davide Mancino, Dina Abdellatif, Alfredo Iandolo, Fabien Bornert, Youssef Haïkel
{"title":"An unusual case of dens invaginatus on a mandibular second molar: a case report.","authors":"Davide Mancino, Dina Abdellatif, Alfredo Iandolo, Fabien Bornert, Youssef Haïkel","doi":"10.5395/rde.2025.50.e2","DOIUrl":"10.5395/rde.2025.50.e2","url":null,"abstract":"<p><p>The present case report describes the endodontic treatment of a type III B dens invaginatus (DI) in a three-rooted mandibular second molar since the invagination invades the root and extends apically. Clinical and cone-beam computed tomography examination of the mandibular second molar showed a broadened coronal morphology, DI, a third root, periapical radiolucency, and compression of a distal root canal by the invagination, which developed an atypical semilunar shape. The tooth was diagnosed with pulpal necrosis, symptomatic apical, and peri-invagination periodontitis. Consequently, three-dimensional virtual reconstruction was conducted to improve anatomical interpretation and case planning and accelerate the intraoperative phase by reducing operator stress and minimizing intraoperative variables. The present case report aims to raise awareness of the existence of DI on the mandibular second molar.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"50 1","pages":"e2"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11921454/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143617021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Success rates comparison of endodontic microsurgery and single implants with comprehensive and explicit criteria: a systematic review and meta-analysis. 综合明确标准的根管显微手术和单种植成功率比较:系统回顾和荟萃分析。
Restorative Dentistry & Endodontics Pub Date : 2025-02-01 Epub Date: 2025-02-19 DOI: 10.5395/rde.2025.50.e8
Min Jung Ko, Ju Hyun Park, Na Rae Lee, Joon-Ho Yoon, Young-Taek Kim, Sin-Yeon Cho
{"title":"Success rates comparison of endodontic microsurgery and single implants with comprehensive and explicit criteria: a systematic review and meta-analysis.","authors":"Min Jung Ko, Ju Hyun Park, Na Rae Lee, Joon-Ho Yoon, Young-Taek Kim, Sin-Yeon Cho","doi":"10.5395/rde.2025.50.e8","DOIUrl":"10.5395/rde.2025.50.e8","url":null,"abstract":"<p><strong>Objectives: </strong>While the success criteria of endodontic microsurgery (EMS) have been consistently defined and widely accepted, the success criteria of dental implants are outdated and focus only on the implant fixture and surrounding bone. This study aimed to evaluate the outcomes of EMS and single implants (SIs) with explicit criteria.</p><p><strong>Methods: </strong>We searched for articles published from January 2010 to February 2022 and discussed them and consulted with a clinical advisory committee composed of four dental specialists and one epidemiologist during article selection and data extraction.</p><p><strong>Results: </strong>Twenty-two EMS studies and six SI studies were included in the meta-analysis. Teeth treated using EMS had a pooled success rate of 89% (90% at <5-year follow-up and 80% at ≥5-year follow-up) and the pooled success rate of SI was 78%.</p><p><strong>Conclusions: </strong>The success rates of the two procedures with similar follow-up periods were comparable. Subgroup analysis found no other variable that significantly influenced study heterogeneity. Considering the treatment sequence and the similar success rates, it would be advantageous to consider EMS, rather than implants, first in a situation where both procedures are applicable.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":"e8"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11921458/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Concentrated growth factor scaffold-based pulpotomy of permanent molars with symptomatic irreversible pulpitis. 以浓缩生长因子支架为基础的恒磨牙切开术治疗症状性不可逆牙髓炎。
Restorative Dentistry & Endodontics Pub Date : 2025-02-01 Epub Date: 2025-01-17 DOI: 10.5395/rde.2025.50.e1
Arthi K Harith, Vishnupriya Koteeswaran, Dinesh Kowsky, Natanasabapathy Velmurugan, Suresh Nandini
{"title":"Concentrated growth factor scaffold-based pulpotomy of permanent molars with symptomatic irreversible pulpitis.","authors":"Arthi K Harith, Vishnupriya Koteeswaran, Dinesh Kowsky, Natanasabapathy Velmurugan, Suresh Nandini","doi":"10.5395/rde.2025.50.e1","DOIUrl":"10.5395/rde.2025.50.e1","url":null,"abstract":"<p><strong>Objectives: </strong>: Pulpotomy is a minimally invasive procedure that aims to retain the vitality of the radicular pulp by removing the inflamed coronal pulp tissue. This case series presents the successful management of symptomatic irreversible pulpitis by pulpotomy with concentrated growth factor (CGF) scaffolds.</p><p><strong>Methods: </strong>Six permanent mandibular molars with a diagnosis of symptomatic irreversible pulpitis were included. Under Local anesthesia and rubber dam isolation, caries were excavated using high-speed bur under coolant. Full coronal pulpotomy was done and hemostasis was achieved. CGF membrane was prepared and placed over the radicular pulp and layered with Biodentine (Septodont). Final restoration of type IX glass ionomer cement and bulk fill composite resin was placed. Patients were assessed for various clinical and radiographic parameters at intervals of 1 week and 3, 6, and 12 months. Five patients fulfilled the success criteria at the end of 1 year.</p><p><strong>Results: </strong>Pulpotomy is considered an alternative treatment modality for root canal treatment in symptomatic irreversible pulpitis aiming at alleviating symptoms and maintaining vitality. CGF scaffold when used as a capping material acts as a reservoir for growth factors with anti-inflammatory properties and enhances healing.</p><p><strong>Conclusions: </strong>Scaffold-based pulpotomy can be considered a biological approach to healing inflamed pulp.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":"e1"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11921459/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pattern of endodontic instrument separation and factors affecting its retrieval: a 10-year retrospective observational study in a postgraduate institute. 根管器械分离模式及影响其回收的因素:一项研究生院10年回顾性观察研究。
Restorative Dentistry & Endodontics Pub Date : 2025-02-01 Epub Date: 2025-02-19 DOI: 10.5395/rde.2025.50.e7
Velmurugan Natanasabapathy, Aswathi Varghese, Paul Kevin Abishek Karthikeyan, Srinivasan Narasimhan
{"title":"Pattern of endodontic instrument separation and factors affecting its retrieval: a 10-year retrospective observational study in a postgraduate institute.","authors":"Velmurugan Natanasabapathy, Aswathi Varghese, Paul Kevin Abishek Karthikeyan, Srinivasan Narasimhan","doi":"10.5395/rde.2025.50.e7","DOIUrl":"10.5395/rde.2025.50.e7","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to assess the pattern of endodontic instrument separation, their retrievability, and factors affecting its retrieval, in a postgraduate institute.</p><p><strong>Methods: </strong>Cases referred for the management of separated endodontic instruments (SEI) from 2013 to 2023 were considered for this study. Data related to demographics, tooth type, file type, and retrieval were documented in an Excel sheet. Eight prognostic factors assumed to influence the retrieval were analyzed in this study. The secondary aim was to compare the pattern of SEI and retrievability between conventional nickel-titanium files and newer generation heat-treated nickel-titanium files. Retrieval was attempted by a senior endodontist under the dental operating microscope. Various ultrasonic tips and a Broken Tool Removal loop system were used during retrieval. Simple descriptive statistics were performed. Binomial logistic regression was done to identify the effect of the eight prognostic factors on the retrieval outcome.</p><p><strong>Results: </strong>A total of 190 SEI was reported. SEI occurred more often in posterior teeth than anterior teeth, mandibular arch than maxillary arch, and in larger files than smaller files. Separation occurred more often in the apical third compared to the other levels. Retrieval was attempted in 88 cases and successful in 70 cases (79.5%). The larger taper and apical position of the SEI negatively influenced the retrieval by 1.4 and 8.7 times, respectively.</p><p><strong>Conclusions: </strong>Retrieval of SEI was successful in the majority of the cases. An increase in taper and apically placed SEI negatively impacted the retrieval. There was no difference in the pattern of separation nor retrievability between conventional nickel-titanium files and newer generation heat-treated nickel-titanium files.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":"e7"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11921455/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469059","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Shaping ability and cyclic fatigue resistance between Genius ProFlex, ZenFlex, and TruNatomy rotary systems: an experimental study. Genius ProFlex、ZenFlex和TruNatomy旋转系统的成形能力和抗循环疲劳性能:一项实验研究。
Restorative Dentistry & Endodontics Pub Date : 2025-02-01 Epub Date: 2025-02-13 DOI: 10.5395/rde.2025.50.e9
Raimundo Sales de Oliveira Neto, Murilo Priori Alcalde, Pedro Cesar Gomes Titato, Pedro Henrique Souza Calefi, Carlos Alberto Spironelli Ramos, Guilherme Ferreira da Silva, Rodrigo Ricci Vivan, Marco Antonio Hungaro Duarte
{"title":"Shaping ability and cyclic fatigue resistance between Genius ProFlex, ZenFlex, and TruNatomy rotary systems: an experimental study.","authors":"Raimundo Sales de Oliveira Neto, Murilo Priori Alcalde, Pedro Cesar Gomes Titato, Pedro Henrique Souza Calefi, Carlos Alberto Spironelli Ramos, Guilherme Ferreira da Silva, Rodrigo Ricci Vivan, Marco Antonio Hungaro Duarte","doi":"10.5395/rde.2025.50.e9","DOIUrl":"10.5395/rde.2025.50.e9","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to investigate the efficacy of three newly introduced rotary endodontic systems: Genius ProFlex (Medidenta), TruNatomy (Dentsply Maillefer), and ZenFlex (Kerr).</p><p><strong>Methods: </strong>Forty-five mandibular molars with root canal curvatures <5° were utilized. Micro-computed tomography scans were performed pre- and post-preparation to assess apical transportation, centralization, percentage of dentin wear, and canal volume alterations. Eight instruments of each diameter underwent cyclic fatigue testing.</p><p><strong>Results: </strong>The percentage of dentin wear on mesial and distal walls showed no significant differences among ZenFlex, TruNatomy, and Genius ProFlex at 1, 2, 3, and 4 mm from the apical foramen and root canal orifice (p > 0.05). Centering ability varied in the mesiolingual canal (p < 0.05). No notable differences were observed in transportation (p > 0.05). Genius ProFlex demonstrated lower volumetric changes (p < 0.05). There were significant differences in cyclic fatigue, with higher values for Genius ProFlex and lower values for TruNatomy (p < 0.05).</p><p><strong>Conclusions: </strong>The three nickel-titanium rotary instruments are safe and efficient for root canal preparation, with Genius ProFlex exhibiting superior cyclic fatigue resistance.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":" ","pages":"e9"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11921461/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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