Relevant bibliographies by topics / Dental materials. Root Canal Filling Materials

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Dental materials. Root Canal Filling Materials'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Dental materials. Root Canal Filling Materials"

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Borș, Andreea, Melinda Székely, Cristina Molnar-Varlam, and Iulian Vasile Antoniac. "Bioactivity of Retrograde Dental Root Filling Materials." Key Engineering Materials 695 (May 2016): 236–42. http://dx.doi.org/10.4028/www.scientific.net/kem.695.236.

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The placement of appropriate root-end filling materials in contact with periradicular tissues, with improved adaptation and biological properties is critical for the long-term success of the periapical surgery. The purpose of the present study was to evaluate and compare the bio-properties of four different root canal filling materials with respect to storage media. Two mineral trioxide aggregates: MTA-Angelus (Angelus, Londrina, PR, Brazil) and ProRoot MTA (Dentsply Maillefer, Ballaigues, Switzerland) and two glass ionomer cements: one conventional Ketac Molar (3M ESPE AG, Seefeld, Germany) and a resin reinforced core build-up glass ionomer Vitremer (3M ESPE AG, Seefeld, Germany) were evaluated. Eighty healthy single-rooted human extracted teeth without curvature and with closed apices were included in this experiment. The canals were instrumented with K-files up to size #35. Adequate irrigation was performed during preparation and instrumentation using 2.6% NaOCl. Root canals were obturated with vertically condensed gutta-percha and roots end were apically resected 3mm. The samples were randomly divided in four groups (n=20) and each group was assigned to one of the four tested materials. Three-mm depth preparations were made at root ends using cylindrical diamond burs and constant water spray, and were filled with the tested materials. The roots were then wrapped in wet gauze and placed in an incubator at 37°C for 48 hours to allow complete set of the root-end filling materials. Each group was divided in two subgroups (n=10) and stored in polypropylene sealed containers for 60 days at 37°C. Specimens of the first subgroup were immersed in 5ml of a physiological-like buffered Ca- and Mg-free solution (PBS, pH=7.4) and those of the second subgroup were in 5ml of deionized water (DW, pH 6.8) After 10 minutes of immersion and at the established endpoint times, the specimens were analyzed by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). Statistical analysis was performed by t-test and one-way ANOVA (p<0.05). The morphology of cement–dentin interface in fresh restorations soaked 10 min in PBS showed the margins of all cements free from porosities or gaps. EDX elemental analyzes on MTA and ProRoot MTA revealed calcium, silica and phosphorous peaks, while on Ketac Molar and Vitremer, aluminum, silica, zinc and fluoride peaks were detected. After 60 days of immersion in PBS calcium-phosphate deposits completely covered the surface, the margin and partially also the peripheral dentin surface of MTA and Pro Root MTA. Glass ionomer cements showed the presence of thick irregular deposits (p<0.05). In deionized water, EDX analyses revealed no deposits forming after 60 days. SEM analysis showed the margins of MTA and ProRoot MTA with significant discontinuities compared with glass ionomer cements (p<0.05). Mineral trioxide aggregate cements are significantly more bioactive compared to conventional or reinforced glass ionomers upon aging in PBS. Glass ionomer cements provide more optimal adaptation to dentinal cavity walls of all cements than MTA cements when used as retrograde fillings.
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Babakhin, A. A., A. I. Volozhin, L. N. Kazarina, O. O. Gushchina, and L. M. DuBuske. "Immunomodulating effect of dental materials employed as root canal filling." Journal of Allergy and Clinical Immunology 115, no. 2 (February 2005): S248. http://dx.doi.org/10.1016/j.jaci.2004.12.1002.

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Vinaya Swetha T, Dhanraj Ganapathy, and Kiran Kumar. "Root canal sealers in dental practice." International Journal of Research in Pharmaceutical Sciences 11, SPL3 (September 8, 2020): 68–71. http://dx.doi.org/10.26452/ijrps.v11ispl3.2892.

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Root canal sealers are important materials commonly used in endodontic treatment. Endodontic treatment for cleaning the root canal and removing the pulp and filling with manmade materials. The aim of the study was to assess the knowledge and attitude of the practitioners regarding root canal sealers in endodontic treatment. It is an online-based questionnaire study in which ten questions were circulated through an online forum through google forms and results were analysed using SPSS. In this study, it was observed that private practitioners most commonly use zinc oxide eugenol based sealers (50%), but it shows that methacrylate resin-based sealers (50%) are most effective in sealing. It shows that private practitioners are more aware of root canal sealers and its uses, and about its properties.
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Iikubo, Masahiro, Takashi Osano, Tsukasa Sano, Akitoshi Katsumata, Eiichiro Ariji, Kaoru Kobayashi, Takashi Sasano, et al. "Root canal filling materials spread pattern mimicking root fractures in dental CBCT images." Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology 120, no. 4 (October 2015): 521–27. http://dx.doi.org/10.1016/j.oooo.2015.06.030.

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Santos, Luciane Geanini Pena, Wilson Tadeu Felippe, Beatriz Dulcineia Mendes Souza, Andrea Cristina Konrath, Mabel Mariela Rodríguez Cordeiro, and Mara Cristina Santos Felippe. "Radiographic and scanning electron microscopic assessment of root canal filling remnants after endodontic re-instrumentation." Brazilian Dental Science 20, no. 1 (March 23, 2017): 80. http://dx.doi.org/10.14295/bds.2017.v20i1.1325.

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<p><strong>Objective: </strong>Failures in endodontic treatment may occur by several reasons. Endodontic retreatment is an interesting alternative to manage this clinical problem. However, it is not possible to completely remove the root canal filling by any current retreatment technique. The aim of this study was to evaluate the presence of residual root canal filling materials after endodontic re-instrumentation. <strong>Material and Methods:</strong> Sixty extracted anterior human teeth were prepared by step-back technique with Flexofiles, K-files and Gates-Glidden (GG) burs. Between the use of each file or bur, root canals were irrigated with sodium hypochlorite (NaOCl). Smear layer was removed by irrigation with ethylenediaminetetraacetic acid and NaOCl. After drying with paper points the root canals were randomly divided into 5 groups (n = 12), according to filling material: Resilon cones/Real Seal sealer or gutta-percha cones and Endofill, Sealapex, AH Plus or MTA Fillapex sealers. After one week, root canal fillings were removed using Eucaliptol and K-files. Root canals were re-instrumented with K-files and GG burs sized larger than the first ones. The removal of root canal filling material was analyzed by radiography and scanning electron microscopy (SEM). Statistical analysis was performed using Binary Logistic Regression test (P &lt; 0.05). <strong>Results: </strong>Radiographic and SEM analysis showed that material from the<strong> </strong>MTA Fillapex group was better removed than that from Endofill, Sealapex, AH Plus and Real Seal groups. <strong>Conclusion: </strong>After re-instrumentation<strong>, </strong>MTA Fillapex group showed less remnants into the root canals than Endofill, Sealapex, AH Plus and Real Seal groups. Residual material was most often found in the apical third.</p><p><strong>Keywords </strong></p><p>Dental radiography; Endodontic retreatment; Root canal filling materials; Scanning electron microscopy.</p>
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Celikten, Berkan, Ceren Feriha Uzuntas, and Kamran Gulsahi. "Resistance to Fracture of Dental Roots Obturated with Different Materials." BioMed Research International 2015 (2015): 1–5. http://dx.doi.org/10.1155/2015/591031.

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The aim of this study was to compare the vertical fracture resistance of roots obturated with different root canal filling materials and sealers. Crowns of 55 extracted mandibular premolar teeth were removed to provide root lengths of 13 mm. Five roots were saved as negative control group (canals unprepared and unfilled). Fifty root canals were instrumented and then five roots were saved as positive control group (canals prepared but unfilled). The remaining 45 roots were randomly divided into three experimental groups (n=15root/group) and obturated with the following procedures: in group 1, glass ionomer-based sealer and cone (ActiV GP obturation system); in group 2, bioceramic sealer and cone (EndoSequence BC obturation system); and in group 3, roots were filled with bioceramic sealer and cone (Smartpaste bio obturation system). All specimens were tested in a universal testing machine for measuring fracture resistance. For each root, the force at the time of fracture was recorded in Newtons. The statistical analysis was performed by using Kruskal-Wallis and post hoc test. There were no significant differences between the three experimental groups. The fracture values of three experimental and negative control groups were significantly higher than the positive control group. Within the limitations of this study, all materials increased the fracture resistance of instrumented roots.
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Washio, Morotomi, Yoshii, and Kitamura. "Bioactive Glass-Based Endodontic Sealer as a Promising Root Canal Filling Material without Semisolid Core Materials." Materials 12, no. 23 (November 29, 2019): 3967. http://dx.doi.org/10.3390/ma12233967.

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Endodontic treatment for a tooth with damaged dental pulp aims to both prevent and cure apical periodontitis. If the tooth is re-infected as a result of a poorly obturated root canal, periapical periodontitis may set-in due to invading bacteria. To both avoid any re-infection and improve the success rate of endodontic retreatment, a treated root canal should be three-dimensionally obturated with a biocompatible filling material. Recently, bioactive glass, one of the bioceramics, is focused on the research area of biocompatible biomaterials for endodontics. Root canal sealers derived from bioactive glass-based have been developed and applied in clinical endodontic treatments. However, at present, there is little evidence about the patient outcomes, sealing mechanism, sealing ability, and removability of the sealers. Herein, we have developed a bioactive glass-based root canal sealer and provided evidence concerning its physicochemical properties, biocompatibility, sealing ability, and removability. We also review the classification of bioceramics and characteristics of bioactive glass. Additionally, we describe the application of bioactive glass to facilitate the development of a new root canal sealer. Furthermore, this review shows the potential application of bioactive glass-based cement as a root canal filling material in the absence of semisolid core material.
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Hauman, C. H. J., and R. M. Love. "Biocompatibility of dental materials used in contemporary endodontic therapy: a review. Part 2. Root-canal-filling materials." International Endodontic Journal 36, no. 3 (February 14, 2003): 147–60. http://dx.doi.org/10.1046/j.1365-2591.2003.00637.x.

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Huang, Ching-Shuan, Sung-Chih Hsieh, Nai-Chia Teng, Wei-Fang Lee, Poonam Negi, Wendimi Fatimata Belem, Hsuan-Chen Wu, and Jen-Chang Yang. "A Silk Fibroin Based Hydration Accelerator for Root Canal Filling Materials." Polymers 12, no. 4 (April 24, 2020): 994. http://dx.doi.org/10.3390/polym12040994.

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Mineral trioxide aggregate (MTA) is widely used in various dental endodontic applications such as root-end filling, furcal perforation repair, and vital pulp therapy. In spite of many attempts to improve handling properties and reduce the discoloration of MTA, the ideal root canal filling material has yet to be fully developed. The objective of this study was to investigate the setting time, mechanical properties, and biocompatibility of MTA set by a silk fibroin solution. A 5 wt% silk fibroin (SF) solution (a novel hydration accelerant) was used to set SavDen® MTA and ProRoot® white MTA (WMTA). Changes in setting time, diametral tensile strength (DTS), material crystallization, in vitro cell viability, and cell morphology were assessed by Vicat needle measurement, a universal testing machine, scanning electron microscopy (SEM), and WST-1 assay, respectively. The initial setting time of ProRoot® MTA and SavDen® MTA experienced a drastic decrease of 83.9% and 42.1% when deionized water was replaced by 5 wt% SF solution as the liquid phase. The DTS of SavDen® MTA showed a significant increase after set by the SF solution in 24 h. A human osteoblast-like cell (MG-63)-based WST-1 assay revealed that both ProRoot® MTA and SavDen® MTA hydrated using SF solution did not significantly differ (p > 0.05) in cell viability. MG-63 cells with pseudopodia attachments and nuclear protrusions represent a healthier and more adherent status on the surface of MTA when set with SF solution. The results suggest that the 5 wt% SF solution may be used as an alternative hydration accelerant for MTA in endodontic applications.
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Dobrzańska, Joanna, Lech B. Dobrzański, Leszek A. Dobrzański, Klaudiusz Gołombek, and Anna D. Dobrzańska-Danikiewicz. "Is Gutta-Percha Still the “Gold Standard” among Filling Materials in Endodontic Treatment?" Processes 9, no. 8 (August 23, 2021): 1467. http://dx.doi.org/10.3390/pr9081467.

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The paper is an extensive monographic review of the literature, and also uses the results of the authors’ own experimental research illustrating the noticed developmental tendencies of the filling material based on gutta-percha. The whole body of literature proves the correctness of the research thesis that this material is the best currently that can be used in endodontics. Caries is one of the most common global infectious diseases. Since the dawn of humankind, the consequence of the disease has been the loss of dentition over time through dental extractions. Both tooth caries and tooth loss cause numerous complications and systemic diseases, which have a serious impact on insurance systems and on the well-being, quality, and length of human life. Endodontic treatment, which has been developing since 1836, is an alternative to tooth extraction. Based on an extensive literature review, the methodology of qualifying patients for endodontic treatment was analyzed. The importance of selecting filling material and techniques for the development and obturation of the root canal during endodontic treatment was described. Particular attention was paid to the materials science aspects and the sequence of phase transformations and precipitation processes, as well as the need to ensure the stoichiometric chemical composition of Ni–Ti alloys, and the vacuum metallurgical processes and material processing technologies for the effects of shape memory and superelasticity, which determine the suitability of tools made of this alloy for endodontic purposes. The phenomena accompanying the sterilization of such tools, limiting the relatively small number of times of their use, play an important role. The methods of root canal preparation and obturation methods through cold side condensation and thermoplastic methods, including the most modern of them, the thermo-hydraulic condensation (THC) technique, were analyzed. An important element of the research hypothesis was to prove the assumption that to optimize the technology of development and obturation of root canals, tests of filling effectiveness are identified by the density and size of the gaps between the root canal wall, and the filling methods used and devices appropriate for material research, using mainly microscopy such as light stereoscopic (LSM) and scanning electron (SEM). The most beneficial preparations were obtained by making a longitudinal breakthrough of 48 natural human teeth, extracted for medical reasons, different from caries, with compliance with all ethical principles in this field. The teeth were prepared using various methods and filled with multiple obturation techniques, using a virtual selection of experimental variants. The breakthroughs were made in liquid nitrogen after a one-sided incision with a narrow gap created by a diamond disc using a materialographic cutter. The best effectiveness of the root canal filling was ensured by the technology of preparing the root canals with K3 rotary nitinol tools and filling the teeth with the THC thermoplastic method using the System B and Obtura III devices with studs and pellets of filling material based on gutta-percha after covering the root canal walls with a thin layer of AH Plus sealant. In this way, the research thesis was confirmed.
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Dissertations / Theses on the topic "Dental materials. Root Canal Filling Materials"

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Ko, Hiu-wan Cora. "Quantification of microleakage of a resin-based root canal filling material." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37344638.

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Ko, Hiu-wan Cora, and 高曉韻. "Quantification of microleakage of a resin-based root canal filling material." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B37344638.

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Raman, Jaya. "Microleakage of dentine-bonded root canal fillings." Thesis, Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B39558253.

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Hughart, Donald Wayne. "Comparison of the sealing ability of two different types of root canal obturation cold lateral compaction and the continuous wave compaction technique /." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3348.

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Thesis (M.S.)--West Virginia University, 2004.
Title from document title page. Document formatted into pages; contains xi, 56 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 41-44).
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Marian, Eduard Alexandru. "The sealing ability of mineral trioxide aggregate (MTA) used as retrograde filling agent in roots with filling and unfilled root canals: an in vitro comparative study." Thesis, University of the Western Cape, 2007. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_1916_1190378849.

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Neto, Felix Nina. "InfluÃncia do material e tÃcnica de obturaÃÃo endodÃntica na resistÃncia à fratura de raÃzes dentais humanas." Universidade Federal do CearÃ, 2009. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=3033.

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A guta-percha associada a um cimento endodÃntico representa o recurso mais usado para a obturaÃÃo dos canais radiculares. Esta associaÃÃo, porÃm, nÃo possui adesividade Ãs paredes de dentina, fato este que pode ensejar falhas na massa obturadora no interior do canal radicular e induzir a fraturas radiculares. O sistema Resilon/Epiphany, como alternativa à guta-percha na obturaÃÃo endodÃntica foi lanÃado com a proposta de formaÃÃo de um monobloco (adesÃo de material obturador + dentina), de modo a possiblitar o aumento da resistÃncia a fratura, entretanto, esse à ainda questionado na literatura. O propÃsito desta pesquisa foi avaliar a resistÃncia à fratura de raÃzes obturadas endodonticamente com a guta-percha/AH-Plus e com o sistema Resilon/Epiphany, variando-se a tÃcnica de obturaÃÃo. Foram selecionadas 60 raÃzes dentais humanas extraÃdas, que foram divididas em seis grupos de dez. O grupo I nÃo sofreu intervenÃÃo endodÃntica. O grupo II foi instrumentado e nÃo obturado, os grupos III e IV foram instrumentados e obturados com guta-percha/AH-Plus, sendo o grupo III obturado, empregando-se a tÃcnica da condensaÃÃo lateral, e o grupo IV a tÃcnica hÃbrida de Tagger. Os grupos V e VI foram instrumentados e obturados com o sistema Resilon-Epiphany, variando da mesma forma as tÃcnicas de obturaÃÃo, assim como nos grupos III e IV. As raÃzes foram submetidas à forÃa de compressÃo, utilizando uma mÃquina universal de ensaios (Kratos) em velocidade de carga de 0,5mm/min, registrando-se em seguida o valor da carga quando da constataÃÃo da fratura radicular. Os dados obtidos foram submetidos ao ANOVA (significÃncia de 5%) e teste Tukey. Concluiu-se que os grupos obturados com o sistema Resilon/Epiphany apresentaram maior resistÃncia à fratura em relaÃÃo aos grupos obturados com guta-percha/AH-Plus, porÃm sem significÃncia estatÃstica. Enfatiza-se, entretanto, que o grupo VI (Resilon/Epiphany, tÃcnica hÃbrida de Tagger) apresentou diferenÃas estatÃsticas significativas em relaÃÃo ao grupo I (sem intervenÃÃo endodÃntica) e II (instrumentado e nÃo obturado); a presenÃa de material obturador à fundamental para a manutenÃÃo de boa resistÃncia à fratura, pois o grupo II, instrumentado e nÃo obturado, exibiu a menor resistÃncia a fratura entre os grupos; a tÃcnica de termoplastificaÃÃo do material obturador interferiu no resultado final das resistÃncias mensuradas, porÃm sem diferenÃas estatÃsticas significativas.
Gutta-percha, in combination with a variety of sealers, is the most commonly used material for root canal filling. This association presents no adhesiveness to the root structure. Resilon cones and resinous cement (Epiphany) were introduced on the market that, in association with a self-conditioning primer, would alow a solid monoblock to be obtained. The Resilon/Epiphany system forms a monoblock within the canals that bonds to the dentin walls. It has potential to strengthen the walls against fracture. The material was proposed as an alternative to gutta-percha. The purpose of this in vitro study was to evaluate the fracture resistance of root canals filled with gutta-percha/ AH Plus and root canals filled with Resilon/Epipanhy system. Sixty extracted single rooted teeth were selected. The teeth were randomly categorized into 6 groups of 10 teeth each as follows: Group I: teeth without endodontic treatment; Group II: teeth were instrumented but without endodontic obturation; Group III: teeth were instrumented and obturated with gutta-percha in conjunction with AH Plus sealer and obturated with lateral condensation technique; Group IV: teeth were instrumented and obturated with gutta-percha in conjunction with AH Plus sealer and obturated with hybrid Tagger`s techinique; Group V: teeth were instrumented and obturated with Resilon/Epiphany system and obturated with lateral condensation technique; Group VI: teeth were instrumented and obturated with Resilon/Epiphany system and obturated with hybrid Tagger`s technique. The roots were submited to the compressive test. A Kratos Universal Testing Machine was used to apply a load to each specimen at a crosshead speed of 0,5mm per minute until the root fracture. The results were submited to ANOVA test ( 5%) and Tukey test. With respect to the fracture resistance there was no statiscally significant difference between the group filled with gutta-percha and the Resilon/Epiphany system. However, the group VI showed statistically significant difference when compared with group I and group II. The presence of the endodontic material is very important to maintenance the good fracture resistance, because the group II showed the worst results. The thermoplastic technique presented better results, but within statistically significant differences.
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Hales, Jason J. "Development of antibiotic resistance due to chromosomal mutation caused by AH26 endodontic sealer." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2304.

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Thesis (M.S.)--West Virginia University, 2002.
AH26 is a registered trademark. Title from document title page. Document formatted into pages; contains vii, 55 p. : ill. (some col.). Includes a video file in the AVI format. Vita. Includes abstract. Includes bibliographical references (p. 48-53).
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Guinesi, Adriana Simionatto [UNESP]. "Avaliação de solubilidade e desintegração, alteração dimensional e resistência à compressão de cimentos endodônticos." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/90413.

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O propósito do presente estudo foi avaliar os cimentos endodônticos Acroseal, AH Plus, Epiphany e Polifil (cimento endodôntico experimental), no que se refere às propriedades de solubilidade e desintegração, alteração dimensional e resistência à compressão. Os testes seguiram a Norma ISO 6876-2, de 2001 e ISO 9917-1, de 2003. Nos testes de solubilidade e desintegração foram utilizados moldes de teflon (4mm de espessura, 12mm de diâmetro interno e 2mm de parede) preenchidos com cimentos endodônticos e contendo perfuração com fio de nylon para suspensão das amostras. Os espécimes foram levados à estufa até a presa dos materiais. Em seguida, as amostras hidratadas e desidratadas tiveram sua massa mensurada imediatamente após sua retirada da estufa, e após períodos de 24h, 48h, 72h, 7, 14, 30, 60 e 90 dias. A solubilidade dos cimentos endodônticos foi identificada pela alteração da massa de cada amostra, expressa como o percentual de massa perdida em comparação à massa inicial. A desintegração foi identificada visualmente, pela observação de resíduos nos recipientes e pela turbidez da água destilada. Nos testes de alteração dimensional e resistência à compressão foram utilizados moldes de teflon (12mm de espessura e 6mm de diâmetro). Os moldes foram preenchidos com cimentos endodônticos e levados à estufa até a tomada de presa, então foram removidos dos moldes e, para os testes de alteração dimensional, suas dimensões foram medidas, no sentido longitudinal, com paquímetro digital, imediatamente após sua retirada da estufa e após períodos de 24, 48 e 72 horas, 7, 14, 30, 60 e 90 dias de armazenamento. A alteração dimensional foi identificada como a percentagem de alteração volumétrica no final de cada período, em comparação ao período inicial.
Considering all the steps of the endodontic therapy, their success depend on the root canals sealing when the professional uses an endodontic sealer that gathers physical, chemical and biological properties. The aim of this study was to evaluate the endodontic sealers: Acroseal, AH Plus, Epiphany and a castor-oil based experimental sealer (Polifil) concerning the properties of solubility and disintegration, dimensional change and compressive strength. All of these tests were supposed to follow the ISO Specification 6876-2, 2001 and ISO Specification 9917-1, 2003. To perform the solubility and disintegration tests teflon rings (4 mm thickness, 12 mm of internal diameter, and 2 mm height) filled with the endodôntico sealers were used, containing perforations that allow a nylon wire passing through it, in order to get the specimens raised up. They were storaged in the oven under 37º C up to the setting time. The specimens were hydrated and dehydrated to be weighted for 24h, 48h, 72h, 7, 14, 30, 60 and 90 days. The solubility of the endodontic sealers was identified as a percentage obtained through the difference between the last measure of weight and the initial one. The disintegration were visually identified by observating the residues and the water’s whirlwind. Teflon moulds (12 mm thickness and 6mm diameter) were used in dimensional change and compressive strength tests. They were filled with the endodontic sealers and storaged in the oven under 37º C up to the setting time. Afterwards, the moulds were removed and then, for the dimensional change test, they were measured under the longitudinal position with digital pachymeter for 24h, 48h, 72h, 7, 14, 30, 60 and 90 days. The dimensional change was identified as a percentage of the volumetrical change gotten in each time, compared with the first specimen.
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Southern, Rodney George. "Comparison of the obturation density of resilon[TM] using cold lateral condensation and varying continuous wave of condensation techniques." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4683.

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Thesis (M.S.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains vii, 47 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 35-38).
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Penina, Patricia de Oliveira. "Análise microscópica de capeamento pulpar direto com diferentes materiais em dentes humanos." Universidade do Estado do Rio de Janeiro, 2007. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=562.

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O capeamento pulpar direto busca preservar a vitalidade pulpar. Este trabalho apresenta a resposta tecidual de polpas humanas ao capeamento pulpar direto com o Agregado de Trióxido Mineral (MTA) comparado com o hidróxido de cálcio. Foram utilizados 20 pré-molares de dez pacientes com extração indicada para tratamento ortodôntico. Todos os dentes apresentavam vitalidade pulpar e neles foram feitos capeamentos pulpares diretos com MTA ou com o hidróxido de cálcio. Os dentes foram extraídos num período de 14 dias ou 45 dias, estabelecendo os seguintes grupos experimentais: Ca(OH) 14 dias; Ca(OH) 45 dias; MTA 14 dias e MTA 45 dias. Estes dentes foram analisados microscopicamente por dois examinadores treinados. Os dados obtidos foram tabulados, utilizando-se o teste Kappa para observar o grau de concordância entre os examinadores. Para avaliação comparativa entre as respostas citotóxicas dos materiais testados foi aplicado o teste não paramétrico Kruskal-Wallis e o teste de Dunn para comparações individuais e identificação da significância dos achados. Na análise dos resultados não houve diferença estatisticamente significante entre os grupos nos períodos experimentais de 14 e 45 dias, e nem na resposta inflamatória pulpar frente ao hidróxido de cálcio quando comparado ao MTA. Quanto à espessura e à organização da barreira dentinária reparatória com o hidróxido de cálcio, quando comparado com o MTA também não apresenta diferença estatisticamente significante. Conclui-se que o MTA satisfaz os requisitos de um material capeador pulpar em dentes de humanos, apresentando propriedades físicas e biológicas que o indicam para este tratamento.
The direct dental pulp capping aims to preserve the pulp vitality. This work shows the tissue response from human pulps to that procedure with the Mineral Trioxide Agregate (MTA) compared to calcium hydroxide - Ca(OH)2. Twenty premolars from 10 patients with extraction indicated to orthodontic treatment were used. All teeth showed pulp vitality and were treated with direct dental pulp capping with MTA or with calcium hydroxide. The teeth have been extracted within 14 or 45 days, stablishing the following experimental groups: Ca(OH)2 14 days; Ca(OH)2 45 days; MTA 14 days; and MTA 45 days. These teeth were analyzed under microscopy by two observers trained. The data obtained were put in table using the Kappa test to note the agreement degree between the observers. For the comparative assessment between the citotoxic response from material tested has been applied the non-paired Kruskal-Wallis test, and the Dunns test for individual comparisons and identifying the significance of findings. In the analysis of results there had no statistically significant difference between the groups in experimental periods of 14 days and 45 days, not even in the pulp inflammatory response to calcium hydroxide when compared to MTA. The thickness and arrangement of the healing dentin barrier faced with calcium hydroxide, when compared to MTA, also showed no statistically significant difference. It may be concluded that the MTA fulfils the requirements of pulp capping material in human teeth showing biological and physical properties that indicate it for this treatment.
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Books on the topic "Dental materials. Root Canal Filling Materials"

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Torabinejad, Mahmoud. Mineral Trioxide Aggregate: Properties and Clinical Applications. Wiley & Sons, Incorporated, John, 2014.

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Mineral Trioxide Aggregate. John Wiley & Sons Inc, 2014.

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Torabinejad, Mahmoud. Mineral Trioxide Aggregate: Properties and Clinical Applications. Wiley & Sons, Incorporated, John, 2014.

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Torabinejad, Mahmoud. Mineral Trioxide Aggregate: Properties and Clinical Applications. Wiley & Sons, Incorporated, John, 2014.

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Book chapters on the topic "Dental materials. Root Canal Filling Materials"

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Tanner, Johanna, and Anna-Maria Le Bell-Rönnlöf. "Fiber-Reinforced Dental Materials in the Restoration of Root-Canal Treated Teeth." In Restoration of Root Canal-Treated Teeth, 67–86. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-15401-5_4.

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Purwar, Anupam, and Pragya. "Effect of Different Root Canal Filling Materials in Endo-perio Lesions: Design and Computational Analysis." In Design for Tomorrow—Volume 3, 485–94. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0084-5_39.

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Nicholson, John, and Beata Czarnecka. "Materials for root canal filling." In Materials for the Direct Restoration of Teeth, 197–219. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-08-100491-3.00010-6.

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Conference papers on the topic "Dental materials. Root Canal Filling Materials"

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Nichipor, E. A., V. V. Petrovskaya, V. G. Alpatova, A. Yu Vasilyev, N. N. Potrakhov, V. B. Bessonov, N. E. Staroverov, et al. "Microfocus cone-beam computed tomography in an experimental study of dental filling materials and metal fragments inside the root canals of extracted teeth." In 7TH INTERNATIONAL CONFERENCE ON X-RAY, ELECTROVACUUM AND BIOMEDICAL TECHNIQUE. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0052891.

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