Restorative Dentistry & Endodontics最新文献

{"title":"Predictor factors of 1-rooted mandibular second molars on complicated root and canal anatomies of other mandibular teeth.","authors":"Hakan Aydın, Hatice Harorlı","doi":"10.5395/rde.2024.49.e2","DOIUrl":"10.5395/rde.2024.49.e2","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to determine the effects of 1-rooted mandibular second molar (MnSM) teeth on root canal anatomy complexities of the mandibular central incisor (MnCI), mandibular lateral incisor (MnLI), mandibular canine (MnCn), mandibular first premolar (MnFP), mandibular second premolar (MnSP), and mandibular first molar (MnFM) teeth.</p><p><strong>Materials and methods: </strong>Cone-beam computed tomography images of 600 patients with full lower dentition were examined. Individuals with 1-rooted MnSMs were determined, and the complexity of root canal anatomy of other teeth was compared with individuals without 1-rooted MnSMs (Group-1; subjects with at least one 1-rooted MnSM, Group-2; subjects with more than a single root in both MnSMs). A second canal in MnCIs, MnLIs, MnCns, MnFPs, and MnSPs indicated a complicated root canal. The presence of a third root in MnFMs was recorded as complicated.</p><p><strong>Results: </strong>The prevalence of 1-rooted MnSMs was 12.2%, with the C-shaped root type being the most prevalent (9%). There were fewer complicated root canals in MnCIs (<i>p</i> = 0.02), MnLIs (<i>p</i> < 0.001), and MnFPs (<i>p</i> < 0.001) in Group 1. The other teeth showed no difference between the groups (<i>p</i> > 0.05). According to logistic regression analysis, 1-rooted right MnSMs had a negative effect on having complex canal systems of MnLIs and MnFPs. Left MnSMs were explanatory variables on left MnLIs and both MnFPs.</p><p><strong>Conclusions: </strong>In individuals with single-rooted MnSMs, a less complicated root canal system was observed in all teeth except the MnFMs.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"49 1","pages":"e2"},"PeriodicalIF":0.0,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10912550/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140050193","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}

{"title":"Cone-beam computed tomography in endodontics: from the specific technical considerations of acquisition parameters and interpretation to advanced clinical applications.","authors":"Néstor Ríos-Osorio, Sara Quijano-Guauque, Sandra Briñez-Rodríguez, Gustavo Velasco-Flechas, Antonieta Muñoz-Solís, Carlos Chávez, Rafael Fernandez-Grisales","doi":"10.5395/rde.2024.49.e1","DOIUrl":"10.5395/rde.2024.49.e1","url":null,"abstract":"<p><p>The implementation of imaging methods that enable sensitive and specific observation of anatomical structures has been a constant in the evolution of endodontic therapy. Cone-beam computed tomography (CBCT) enables 3-dimensional (3D) spatial anatomical navigation in the 3 volumetric planes (sagittal, coronal and axial) which translates into great accuracy for the identification of endodontic pathologies/conditions. CBCT interpretation consists of 2 main components: (i) the generation of specific tasks of the image and (ii) the subsequent interpretation report. A systematic and reproducible method to review CBCT scans can improve the accuracy of the interpretation process, translating into greater precision in terms of diagnosis and planning of endodontic clinical procedures. MEDLINE (PubMed), Web of Science, Google Scholar, Embase and Scopus were searched from inception to March 2023. This narrative review addresses the theoretical concepts, elements of interpretation and applications of the CBCT scan in endodontics. In addition, the contents and rationale for reporting 3D endodontic imaging are discussed.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"49 1","pages":"e1"},"PeriodicalIF":0.0,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10912545/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140050189","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}

{"title":"A scientometric, bibliometric, and thematic map analysis of hydraulic calcium silicate root canal sealers.","authors":"Anastasios Katakidis, Konstantinos Kodonas, Anastasia Fardi, Christos Gogos","doi":"10.5395/rde.2023.48.e41","DOIUrl":"10.5395/rde.2023.48.e41","url":null,"abstract":"<p><strong>Objectives: </strong>This scientometric and bibliometric analysis explored scientific publications related to hydraulic calcium silicate-based (HCSB) sealers used in endodontology, aiming to describe basic bibliometric indicators and analyze current research trends.</p><p><strong>Materials and methods: </strong>A comprehensive search was conducted in Web of Science and Scopus using specific HCSB sealer and general endodontic-related terms. Basic research parameters were collected, including publication year, authorship, countries, institutions, journals, level of evidence, study design and topic of interest, title terms, author keywords, citation counts, and density.</p><p><strong>Results: </strong>In total, 498 articles published in 136 journals were retrieved for the period 2008-2023. Brazil was the leading country, and the universities of Bologna in Italy and Sao Paolo in Brazil were represented equally as leading institutions. The most frequently occurring keywords were \"calcium silicate,\" \"root canal sealer MTA-Fillapex,\" and \"biocompatibility,\" while title terms such as \"calcium,\" \"sealers,\" \"root,\" \"canal,\" \"silicate based,\" and \"endodontic\" occurred most often. According to the thematic map analysis, \"solubility\" appeared as a basic theme of concentrated research interest, and \"single-cone technique\" was identified as an emerging, inadequately developed theme. The co-occurrence analysis revealed 4 major clusters centered on sealers' biological and physicochemical properties, obturation techniques, retreatability, and adhesion.</p><p><strong>Conclusions: </strong>This analysis presents bibliographic features and outlines changing trends in HCSB sealer research. The research output is dominated by basic science articles scrutinizing the biological and specific physicochemical properties of commonly used HCSB sealers. Future research needs to be guided by studies with a high level of evidence that utilize innovative, sophisticated technologies.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 4","pages":"e41"},"PeriodicalIF":0.0,"publicationDate":"2023-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10695731/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138488390","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}

{"title":"Effect of irrigation protocols on smear layer removal, bond strength and nanoleakage of fiber posts using a self-adhesive resin cement.","authors":"Rodrigo Stadler Alessi,&nbsp;Renata Terumi Jitumori,&nbsp;Bruna Fortes Bittencourt,&nbsp;Giovana Mongruel Gomes,&nbsp;João Carlos Gomes","doi":"10.5395/rde.2023.48.e28","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e28","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to investigate the effect of the application method of 2% chlorhexidine (CHX) and its influence on the adhesion of fiberglass posts cemented with a self-adhesive resin cement.</p><p><strong>Materials and methods: </strong>Sixty human mandibular premolars were endodontically treated and divided into 5 groups (<i>n</i> = 12), according to the canal irrigant and its application method: 2 groups with conventional syringe irrigation (CSI)-2.5% sodium hypochlorite (NaOCl) (control) and 2% CHX- and 3 groups with 2% CHX irrigation/activation-by passive ultrasonic irrigation (PUI), Easy Clean file, and XP-Endo Finisher file. Two roots per group were evaluated for smear layer (SL) removal by scanning electron microscopy. For other roots, fiber posts were luted using a self-adhesive resin cement. The roots were sectioned into 6 slices for push-out bond strength (BS) (7/group) and nanoleakage (NL) (3/group). Data from SL removal were submitted to Kruskal-Wallis and Student-Newman-Keuls tests (α = 0.05). Data from BS and NL were evaluated by 2-way analysis of variance and Tukey's test (α = 0.05).</p><p><strong>Results: </strong>For SL removal and BS, the CHX irrigation/activation promoted better values than CSI with CHX (<i>p</i> < 0.05), but it was not significantly different from CSI with NaOCl (<i>p</i> > 0.05). For NL, the lowest values were obtained by the chlorhexidine irrigation/activation groups (<i>p</i> < 0.05).</p><p><strong>Conclusions: </strong>Active 2% CHX irrigation can be used to improve the post space cleaning and adhesion before fiber post cementation with self-adhesive resin cements.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 3","pages":"e28"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/35/0c/rde-48-e28.PMC10477426.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10171655","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}

{"title":"Influence of access cavity design on calcium hydroxide removal using different cleaning protocols: a confocal laser scanning microscopy study.","authors":"Seda Falakaloğlu,&nbsp;Merve Yeniçeri Özata,&nbsp;Betül Güneş,&nbsp;Emmanuel João Nogueira Leal Silva,&nbsp;Mustafa Gündoğar,&nbsp;Burcu Güçyetmez Topal","doi":"10.5395/rde.2023.48.e25","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e25","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this study was to evaluate the influence of endodontic access cavities design on the removal of calcium hydroxide medication of the apical third of mandibular incisor root canal walls and dentinal tubules with different cleaning protocols: EDDY sonic activation, Er,Cr:YSGG laser-activated irrigation, or conventional irrigation with IrriFlex.</p><p><strong>Materials and methods: </strong>Seventy-eight extracted human mandibular incisors were assigned to 6 experimental groups (<i>n</i> = 13) according to the endodontic access cavity and cleaning protocol for calcium hydroxide removal: traditional access cavity (TradAC)/EDDY; ultraconservative access cavity performed in the incisal edge (UltraAC.Inc)/EDDY; TradAC/Er,Cr:YSGG; UltraAC.Inc/Er,Cr:YSGG; TradAC/IrriFlex; or UltraAC.Inc/IrriFlex. Confocal laser scanning microscopy images were used to measure the non-penetration percentage, maximum residual calcium hydroxide penetration depth, and penetration area at 2 and 4 mm from the apex. Data were statistically analyzed using Shapiro-Wilk and WRS2 package for 2-way comparison of non-normally distributed parameters (depth of penetration, area of penetration, and percentage of non-penetration) according to cavity and cleaning protocol with the significance level set at 5%.</p><p><strong>Results: </strong>The effect of cavity and cleaning protocol interactions on penetration depth, penetration area and non-penetration percentage was not found statistically significant at 2 and 4 mm levels (<i>p</i> > 0.05).</p><p><strong>Conclusions: </strong>The present study demonstrated that TradAC or UltraAC.Inc preparations with different cleaning protocols in extracted mandibular incisors did not influence the remaining calcium hydroxide at 2 and 4 mm from the apex.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 3","pages":"e25"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/05/4c/rde-48-e25.PMC10477421.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10178398","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}

{"title":"Effect of cryotherapy duration on experimentally induced connective tissue inflammation <i>in vivo</i>.","authors":"Jorge Vera,&nbsp;Mayra Alejandra Castro-Nuñez,&nbsp;María Fernanda Troncoso-Cibrian,&nbsp;Ana Gabriela Carrillo-Varguez,&nbsp;Edgar Ramiro Méndez Sánchez,&nbsp;Viviana Sarmiento,&nbsp;Lourdes Lanzagorta-Rebollo,&nbsp;Prasanna Neelakantan,&nbsp;Monica Romero,&nbsp;Ana Arias","doi":"10.5395/rde.2023.48.e29","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e29","url":null,"abstract":"<p><strong>Objectives: </strong>This study tested the hypothesis that cryotherapy duration influences lipopolysaccharide (LPS)-induced inflammation in a rat model.</p><p><strong>Materials and methods: </strong>Six Wistar rats (<i>Rattus norvegicus albinus</i>) were used. Five sites were selected per animal and divided into 5 groups: a negative control group (NC), 2 positive control groups (PC1 and PC2), and 2 experimental groups (E1 and E2). Cryotherapy was applied for 1 minute (E1) or 5 minutes (E2). An acute inflammatory response was induced in the PC and E groups via subcutaneous administration of 0.5 mL/kg. In the PC2 group, a catheter was inserted without additional treatment. For the E1 and E2 groups, 2.5°C saline solution was administered through the implanted catheters for 1 and 5 minutes, respectively. The rats were sacrificed, and samples were obtained and processed for histological analysis, specifically examining the presence of polymorphonuclear neutrophils and hemorrhage. The χ² test was used to compare the presence of acute inflammation across groups. Dependent variables were compared using the linear-by-linear association test.</p><p><strong>Results: </strong>Inflammation and hemorrhage varied significantly among the groups (<i>p</i> = 0.001). A significantly higher degree of acute inflammation was detected (<i>p</i> = 0.0002) in the PC and E1 samples than in the E2 group, in which cryotherapy was administered for 5 minutes. The PC and E1 groups also exhibited significantly greater numbers of neutrophils (<i>p</i> = 0.007), which were essentially absent in both the NC and E2 groups.</p><p><strong>Conclusions: </strong>Cryotherapy administration for 5 minutes reduced the acute inflammation associated with LPS and catheter implantation.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 3","pages":"e29"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/87/8b/rde-48-e29.PMC10477420.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10171652","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}

{"title":"Tip and taper compatibility of accessory gutta-percha points with rotary and reciprocating instruments.","authors":"Júlia Niero Zanatta Streck,&nbsp;Sabrina Arcaro,&nbsp;Renan Antônio Ceretta,&nbsp;Eduardo Antunes Bortoluzzi,&nbsp;Lucas da Fonseca Roberti Garcia,&nbsp;Josiane de Almeida,&nbsp;Patrícia Maria Poli Kopper,&nbsp;Anarela Vassen Bernardi","doi":"10.5395/rde.2023.48.e22","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e22","url":null,"abstract":"<p><strong>Objectives: </strong>This study was conducted to evaluate and compare the tip and taper compatibility of accessory gutta-percha points (AGPs) with various rotary and reciprocating instruments.</p><p><strong>Materials and methods: </strong>Using a profile analyzer, tip and taper measurements were taken of 10 AGPs of each of the 14 models available from Odous de Deus and the 4 models available from Dentsply-Maillefer. Diameter measurements were taken at 1-mm intervals, from 3 mm from the tip (D3) to 16 mm.</p><p><strong>Results: </strong>Based on the mean values obtained, 3-dimensional (3D) models of the AGPs were drawn in Autodesk Fusion 360 and superimposed on 3D models of each instrument selected (Mtwo, Reciproc, RaCe, K3, and ProDesign Logic) to determine the compatibility between the instrument and the AGP. Data corresponding to the tips and tapers of the various AGPs, as well as the tip and taper differences between the AGPs and the instruments, were analyzed using descriptive statistics. The tapers of the AGPs were subject to the American National Standards Institute/American Dental Association No. 57 standard. The Odous de Deus extra-long medium and extra-long extra-medium AGPs were shown to be compatible with Mtwo, K3, and ProDesign Logic instruments with taper 0.06 and tip sizes 25 and 30, while the Dentsply fine and fine medium cones were compatible with Mtwo, RaCe, and K3 instruments with conicity of 0.04 and tip sizes 35 and 40.</p><p><strong>Conclusions: </strong>Both the Odous de Deus and Dentsply commercial brands included 2 AGP models with tip (D3) and taper compatibility with Mtwo, RaCe, K3, and/or Prodesign Logic instruments.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 3","pages":"e22"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/83/6a/rde-48-e22.PMC10477427.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10171651","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}

{"title":"Contemporary research trends on nanoparticles in endodontics: a bibliometric and scientometric analysis of the top 100 most-cited articles.","authors":"Sıla Nur Usta,&nbsp;Zeliha Uğur-Aydın,&nbsp;Kadriye Demirkaya,&nbsp;Cumhur Aydın","doi":"10.5395/rde.2023.48.e27","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e27","url":null,"abstract":"<p><strong>Objectives: </strong>Advancements in nanotechnology have led to the widespread usage of nanoparticles in the endodontic field. This bibliometric study aimed to determine and analyze the top 100 most-cited articles about nanoparticles in endodontics from 2000 to 2022.</p><p><strong>Materials and methods: </strong>A detailed electronic search was conducted on the \"Clarivate Analytics Web of Science, All Databases\" to receive the most-cited articles related to the topic. Articles were ranked in descending order based on their citation counts, and the first 100 were selected for bibliometric analysis. Parameters such as citation density, publication year, journal, country, institution, author, study design, study field, evidence level, and keywords were analyzed.</p><p><strong>Results: </strong>The top 100 most-cited articles received 4,698 citations (16-271) with 970.21 (1.91-181) citation density in total. Among decades, citations were significantly higher in 2011-2022 (<i>p</i> < 0.001). <i>Journal of Endodontics</i> had the largest number of publications. Canada and the University of Toronto made the highest contribution as country and institution, respectively. Anil Kishen was the 1 who participated in the largest number of articles. The majority of the articles were designed <i>in vitro</i>. The main study field was \"antibacterial effect.\" Among keywords, \"nanoparticles\" followed by \"<i>Enterococcus faecalis</i>\" were used more frequently.</p><p><strong>Conclusions: </strong>Developments in nanotechnology had an impact on the increasing number of studies in recent years. This bibliometric study provides a comprehensive view of nanoparticle advances and trends using citation analysis.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 3","pages":"e27"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/19/a4/rde-48-e27.PMC10477422.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10183880","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}

{"title":"Comparison between a bulk-fill resin-based composite and three luting materials on the cementation of fiberglass-reinforced posts.","authors":"Carlos Alberto Kenji Shimokawa,&nbsp;Paula Mendes Acatauassú Carneiro,&nbsp;Tamile Rocha da Silva Lobo,&nbsp;Roberto Ruggiero Braga,&nbsp;Míriam Lacalle Turbino,&nbsp;Adriana Bona Matos","doi":"10.5395/rde.2023.48.e30","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e30","url":null,"abstract":"<p><strong>Objectives: </strong>This study verified the possibility of cementing fiberglass-reinforced posts using a flowable bulk-fill composite (BF), comparing its push-out bond strength and microhardness with these properties of 3 luting materials.</p><p><strong>Materials and methods: </strong>Sixty endodontically treated bovine roots were used. Posts were cemented using conventional dual-cured cement (CC); self-adhesive cement (SA); dual-cured composite (RC); and BF. Push-out bond strength (<i>n</i> = 10) and microhardness (<i>n</i> = 5) tests were performed after 1 week and 4 months of storage. Two-way repeated measures analysis of variance (ANOVA), 1-way ANOVA, <i>t</i>-test, and Tukey <i>post-hoc</i> tests were applied for the push-out bond strength and microhardness results; and Pearson correlation test was applied to verify the correlation between push-out bond strength and microhardness results (α = 0.05).</p><p><strong>Results: </strong>BF presented higher push-out bond strength than CC and SA in the cervical third before aging (<i>p</i> < 0.01). No differences were found between push-out bond strength before and after aging for all the luting materials (<i>p</i> = 0.84). Regarding hardness, only SA presented higher values measured before than after aging (<i>p</i> < 0.01). RC and BF did not present 80% of the maximum hardness at the apical regions. A strong positive correlation was found between the luting materials' push-out bond strength and microhardness (<i>p</i> < 0.01, R² = 0.7912).</p><p><strong>Conclusions: </strong>The BF presented comparable or higher push-out bond strength and microhardness than the luting materials, which indicates that it could be used for cementing resin posts in situations where adequate light curing is possible.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 3","pages":"e30"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/52/a5/rde-48-e30.PMC10477424.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10178400","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}

{"title":"Effect of an aluminum chloride hemostatic agent on the dentin shear bond strength of a universal adhesive.","authors":"Sujin Kim,&nbsp;Yoorina Choi,&nbsp;Sujung Park","doi":"10.5395/rde.2023.48.e14","DOIUrl":"https://doi.org/10.5395/rde.2023.48.e14","url":null,"abstract":"<p><strong>Objectives: </strong>This study investigated the effect of an aluminum chloride hemostatic agent on the shear bond strength (SBS) of a universal adhesive to dentin.</p><p><strong>Materials and methods: </strong>Eighty extracted human molars were trimmed at the occlusal dentin surfaces and divided mesiodistally. According to hemostatic agent application, specimens were randomly allocated into control (C) and hemostatic agent (Traxodent; H) groups. Each group was divided into 4 subgroups according to the adhesive system (<i>n</i> = 20): Scotchbond Multi-Purpose (SBER), Clearfil SE Bond (CLSE), All-Bond Universal etch-and-rinse mode (ALER), and All-Bond Universal self-etch mode (ALSE). SBS was measured for half of the specimens at 24 hours, and the other half were thermocycled in water baths (group T). Fracture surfaces were examined to determine the failure mode. The SBS was measured, and data were analyzed using 1-way analysis of variance, the Student's <i>t</i>-test, and the Tukey honestly significant difference test (<i>p</i> = 0.05).</p><p><strong>Results: </strong>No significant differences in SBS were found between groups C and H for any adhesive system at 24 hours. After thermocycling, a statistically significant difference was observed between CT+ALSE and HT+ALSE (<i>p</i> < 0.05). When All-Bond Universal was applied to hemostatic agent-contaminated dentin, the SBS of H+ALSE was significantly lower than that of H+ALER (<i>p</i> < 0.05). The SBER subgroups showed no significant differences in SBS regardless of treatment and thermocycling.</p><p><strong>Conclusions: </strong>When exposed dentin was contaminated by an aluminum chloride hemostatic agent before dentin adhesive treatment, application of All-Bond Universal in etch-and-rinse mode was superior to self-etch mode.</p>","PeriodicalId":21102,"journal":{"name":"Restorative Dentistry & Endodontics","volume":"48 2","pages":"e14"},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/6d/dd/rde-48-e14.PMC10240091.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9595278","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}