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Journal articles on the topic 'Dual-cure composite resin'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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1

Pamato, Saulo, Weber Adad Ricci, Milton Carlos Kuga, et al. "The Influence on Fracture Resistance of Different Composite Resins and Prefabricated Posts to Restore Endodontically Treated Teeth." Polymers 15, no. 1 (2023): 236. http://dx.doi.org/10.3390/polym15010236.

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Recent formulations of resin-based composites have incorporated different combinations of materials. However, the mechanical and bonding behavior of these materials with intraradicular posts are unclear. This study aimed to evaluate the effect of light-cure and dual-cure resin composite posts on the fracture resistance of endodontically-treated teeth. Materials and Methods: Ninety extracted human upper canines were selected and randomly divided into nine groups (n=10): (G1) endodontically treated teeth without endodontic posts; (G2) glass-fiber post cemented with glass-ionomer cement; (G3) end

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Bhanwal, Urvashi, Karthik Jagdish, Veena Pai, and Yashwanth LNU. "Effect of Different Base Materials and Techniques on Microleakage in Class II Composite Open Sandwich Restorations: An in vitro Study." World Journal of Dentistry 5, no. 2 (2014): 87–91. http://dx.doi.org/10.5005/jp-journals-10015-1265.

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ABSTRACT Aims This study was performed to compare microleakage in class II composite restorations with flowable composites and dual cure composite resin as intermediate material and also to evaluate the effect of delayed light polymerization of dual cure composite base on microleakage. Materials and methods Class II box cavities were made with air water spray and divided into four groups. Group 1 was restored without base, group II with flowable composite base, group III with a dual cure composite base which was immediately cured and group IV with 60 seconds delayed cure, dual cure composite b

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Säilynoja, Eija, Sufyan Garoushi, Pekka K. Vallittu, and Lippo Lassila. "Characterization of Experimental Short-Fiber-Reinforced Dual-Cure Core Build-Up Resin Composites." Polymers 13, no. 14 (2021): 2281. http://dx.doi.org/10.3390/polym13142281.

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As a core build-up material, dual-cured (DC) resin-based composites are becoming popular. The aim of this research was to investigate specific physical and handling properties of new experimental short-fiber-reinforced DC resin composites (SFRCs) in comparison to different commercial, conventional DC materials (e.g., Gradia Core, Rebilda DC, LuxaCore Z, and Visalys® CemCore). Degree of monomer conversion (DC%) was determined by FTIR-spectrometry using either self- or light-curing mode. The flexural strength, modulus, and fracture toughness were calculated through a three-point bending setup. V

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Özdemir, Eda, and Behiye Bolgül. "Investigation of nanohardness values of dual-cure, bulk-fill composite resins at different time intervals." International Dental Research 11, Suppl. 1 (2021): 19–25. http://dx.doi.org/10.5577/intdentres.2021.vol11.suppl1.4.

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Aim: The aim of this study was to evaluate the surface hardness of dual-cure, bulk-fill composite resins at different depths and time intervals using nanoindentation. Methodology: In the study, a comparison was conducted of the nanohardness values of Fill-Up, HyperFIL, and Cention N dual-cure, bulk-fill composite resins in the experimental group and Reveal HD, a light-cured, bulk-fill composite, in the control group. The dual-cure, bulk-fill composites used in the experimental group were divided into two subgroups. The first group was polymerized with an LED light source, and the second

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Rejman, Daniel John, Theodore Eliades, Thomas G. Bradley, and George Eliades. "Polymerization Efficiency of Glass-Ionomer and Resin Adhesives under Molar Bands." Angle Orthodontist 78, no. 3 (2008): 549–52. http://dx.doi.org/10.2319/022207-88.1.

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Abstract Objective: To determine the degree of cure of a light-cured resin-modified glass ionomer (RMGI) under molar bands compared with a light-cured resin and a dual-cured resin. Materials and Methods: The 3 cements used were Fuji Ortho LC, Eagle Spectrum resin, and Variolink II dual-cure. Each sample was indirectly light cured for 20 seconds (10 seconds occlusally, 10 seconds cervically) under sections of molar bands, and the degree of cure was evaluated with micro-MIR FTIR spectroscopy. Results: The RMGI exhibited a significantly higher mean degree of cure (55.31%) than both of the resins

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Berrong, Joseph M., Roger M. Weed, and Ivy S. Schwartz. "Color Stability of Selected Dual-Cure Composite Resin Cements." Journal of Prosthodontics 2, no. 1 (1993): 24–27. http://dx.doi.org/10.1111/j.1532-849x.1993.tb00377.x.

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Garoushi, Sufyan, Pekka K. Vallittu, and Lippo V. J. Lassila. "Short Glass Fiber-reinforced Composite with a Semi-interpenetrating Polymer Network Matrix for Temporary Crowns and Bridges." Journal of Contemporary Dental Practice 9, no. 1 (2008): 14–21. http://dx.doi.org/10.5005/jcdp-9-1-14.

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Abstract Aims The purpose of this study was to investigate the reinforcement effect of short E-glass fiber fillers on some mechanical properties of temporary crown and bridge (TCB) composite resin with a semi-interpenetrating polymer network (semi-IPN). Methods and Materials Experimental temporary fiber reinforced (TFC) composite resin was prepared by mixing 15 wt% of short E-glass fibers (3 mm in length) with a 35 wt% of semi-IPN-resin (dual or chemical cure) with 50 wt% of silane treated particulate silica fillers using a high speed mixing device. Temporary crowns (n=6) and test specimens (2

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O'Donnell, Justin N. R., and Drago Skrtic. "Degree of Vinyl Conversion, Polymerization Shrinkage and Stress Development in Experimental Endodontic Composite." Journal of Biomimetics, Biomaterials and Tissue Engineering 4 (December 2009): 1–12. http://dx.doi.org/10.4028/www.scientific.net/jbbte.4.1.

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This study explores degree of vinyl conversion (DVC), polymerization shrinkage (PS) and shrinkage stress (PSS) of the experimental amorphous calcium phosphate (ACP) composites intended for use as an endodontic sealer. Light-cure (LC), chemical cure (CC) or dual-cure (DC; combined light and chemical cure) resins comprised urethane dimethacrylate (UDMA), 2-hydroxyethyl methacrylate (HEMA), methacryloyloxyethyl phthalate (MEP) and a high molecular mass oligomeric co-monomer, poly(ethyleneglycol)-extended UDMA (PEG-U) (designated UPHM resin). To fabricate composites, a mass fraction of 60 % UPHM r

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Nikhil, Vineeta, Padmanabh Jha, and Akarshak Aggarwal. "Comparative Evaluation of Fracture Resistance of Simulated Immature Teeth Restored with Glass Fiber Posts, Intracanal Composite Resin, and Experimental Dentine Posts." Scientific World Journal 2015 (2015): 1–5. http://dx.doi.org/10.1155/2015/751425.

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Aim. The aim of this study was to compare the fracture resistance of simulated immature teeth restored with gutta-percha, glass fiber posts (GFP), experimental dentine posts (DP) or Intracanal composite Resin (ICR).Materials and Methods. Fifty maxillary canines were decoronated, standardized and enlarged until, number 5 Peeso reamers were allowed to simulate immature teeth. After placement of 5 mm of MTA, the canals were divided into 5 groups and filled as follows: Group 1: AH Plus + gutta-percha, lateral compaction; Group 2: GFP luted with PARACORE dual cure resin; Group 3: DP luted with PARA

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Bashir, Aamir, Adil Fayaz, Sandeep Kaur Bali, and Shazana Nazir Qazi. "COMPARATIVE EVALUATION OF PUSH-OUT BOND STRENGTH OF FIBER POST LUTED INSIDE THE ROOT CANAL USING LIGHT CURE FLOWABLE COMPOSITE AND DUAL CURE RESIN - AN INVITRO STUDY." International Journal of Advanced Research 9, no. 01 (2021): 1058–64. http://dx.doi.org/10.21474/ijar01/12390.

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Aim: The aim of this study was to compare by means of Push-Out test the difference in bond strength of two different luting agents with fibre post, and the effect of anatomical root levels on the bond strength of each cement. Materials and Methods: A total of 40 freshly extracted maxillary central incisor and canine teeth were included in the study. The teeth were divided into two groups of twenty each, and were assigned to Groups A and B according to the luting agent (light cure, dual cure) used to cement the post inside the root canal. After decoronation, 10 mm standardized post spaces were

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Pick, Bárbara, Carla Castiglia Gonzaga, Washington Steagall Junior, Yoshio Kawano, Roberto Ruggiero Braga, and Paulo Eduardo Capel Cardoso. "Influence of Curing Light Attenuation Caused by Aesthetic Indirect Restorative Materials on Resin Cement Polymerization." European Journal of Dentistry 04, no. 03 (2010): 314–23. http://dx.doi.org/10.1055/s-0039-1697845.

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Objectives: To verify the effect of interposing different indirect restorative materials on degree of conversion (DC), hardness, and flexural strength of a dual-cure resin cement.Methods: Discs (2 mm-thick, n=5) of four indirect restorative materials were manufactured: a layered glass-ceramic (GC); a heat-pressed lithium disilicate-based glass-ceramic veneered with the layered glass-ceramic (LD); a micro-hybrid (MH); and a micro-filled (MF) indirect composite resin. The light transmittance of these materials was determined using a double-beam spectrophotometer with an integrating sphere. Bar-s

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Duymus, Zeynep Yesil, Nuran Dinckal Yanikoğlu, and Murat Alkurt. "Evaluation of the flexural strength of dual-cure composite resin cements." Journal of Biomedical Materials Research Part B: Applied Biomaterials 101B, no. 5 (2013): 878–81. http://dx.doi.org/10.1002/jbm.b.32892.

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Pantea, Mihaela, Diana Andreea Ighigeanu, Alexandra Totan, et al. "Interactions Between Dental Composite Resins and Saliva A comparative biochemical in vitro study." Materiale Plastice 56, no. 3 (2019): 529–33. http://dx.doi.org/10.37358/mp.19.3.5223.

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This in vitro study analyses the biochemical interaction between saliva and three types of dental composite resins (a direct resin, an indirect resin and a dual-cure resin used for cementation of indirect dental restorations). The resin samples were obtained following a specific protocol and in line with the producers� recommendations; the resin samples were incubated with saliva samples collected from 19 healthy volunteers. The obtained results showed that the tested composite resins did not produce significant changes in oxidative stress parameters that were analysed (albumin, uric acid, GGT

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Greene, Zachary K., Augusto A. Robles, and Nathaniel C. Lawson. "Compatibility of Dual-Cure Core Materials with Self-Etching Adhesives." Dentistry Journal 13, no. 7 (2025): 276. https://doi.org/10.3390/dj13070276.

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Background/Objectives: A material incompatibility has been established between self-etching adhesives and amine-containing dual-cure resin composite materials used for core buildups. This study aims to compare the dentin bond strength of several amine-containing and amine-free core materials using self-etching adhesives with different pHs. Methods: Extracted human molars were mounted in acrylic and ground flat with 320-grit silicon carbide paper. Next, 520 specimens (n = 10/group) were assigned to a dual-cure core buildup material group (10 amine-containing, 2 amine-free, and 1 reference light

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Elagra, Marwa I., Mohammad R. Rayyan, Maisam M. Alhomaidhi, Areej A. Alanaziy, and Mona O. Alnefaie. "Color stability and marginal integrity of interim crowns: An in vitro study." European Journal of Dentistry 11, no. 03 (2017): 330–34. http://dx.doi.org/10.4103/ejd.ejd_66_17.

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ABSTRACT Objective: Many commercial dental materials are used to fabricate interim restorations. This study aimed to compare the color stability and the marginal integrity of four different interim crown materials. Materials and Methods: An ivorine right maxillary central incisor was prepared for a full coverage all-ceramic restoration. A total of 36 specimens in the form of crowns were fabricated on the master die using four different materials (n = 9); Polymethyl methacrylate (PMMA) resin (TrimPLUS), PMMA computer-aided design, and computer-aided manufacturing (CAD-CAM) blocks (Ceramill TEMP

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Simsek, Huseyin, and Sera Derelioglu. "In Vitro Comparative Analysis of Fracture Resistance in Inlay Restoration Prepared with CAD-CAM and Different Systems in the Primary Teeth." BioMed Research International 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/4292761.

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Objective. The aim of this study was to compare to fracture resistance test of inlay restorations prepared using direct inlay technique (Gradia® Direct Composite) and Indirect Restoration System® (Gradia Indirect Composite) and CAD/CAD system (Vita Enamic® Block). Study Design. 48 noncarious extracted maxillary second primary molars were randomly divided into 4 groups with 12 in each group. All the teeth were prepared based on inlay class II preparations except for the control group. Other groups were restored with Gradia Direct Composite, Gradia Indirect Composite, and Vita Enamic Block, resp

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Monea, Adriana Maria, K. Ivacson A. Csinszka, Bukhari Csilla, and Gabriela Bereșescu. "Comparative Study of Different Materials for Occlusal Matrix Technique in Posterior Teeth." Key Engineering Materials 695 (May 2016): 50–54. http://dx.doi.org/10.4028/www.scientific.net/kem.695.50.

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Posterior composite restorations are difficult to contour and polish due to their occlusal anatomy and opposing occlusion. Our study describes a technique for duplicating occlusal surface anatomy, using different dental materials that are able to copy anatomic details. The aim of the study was to evaluate the efficiency of occlusal matrix technique, by comparing technical ease of different dental materials. The study was conducted on extracted teeth which had intact occlusal surfaces or initial carious lesions at this level. An impression of the occlusal surface was made prior to cavity prepar

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Guimaraes DDS, MSc, PhD, Isadora, Fabian Murillo DDS, MSc, and Mario De Goes DDS, MSc, PhD. "Effect of Activation Mode on Flexural Strength and Elasticity Modulus of Dual Cure Resin Cements." Odovtos - International Journal of Dental Sciences 18, no. 1 (2016): 61. http://dx.doi.org/10.15517/ijds.v18i1.23556.

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Objective: This study evaluated the effect of the activation mode on flexural strength and elasticity modulus of four dual cure resin-based cements. Methods: Two self-adhesive resin cements (Clearfil SA Cement (CSA) and RelyX U100 (U)) and two conventional resin cements (Clearfil Esthetic Cement (CE)and RelyX ARC (ARC)) were used to produce a total of 45 bar specimens (7x2x2 mm) using three different activation modes (n=15): Direct light-cure (D), Indirect light-cure using a 2mm composite resin barrier (I) and Self-cure (S). Three-point flexural tests were performed after 24 hours water storag

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Hursh, Kelley A., Timothy C. Kirkpatrick, Jared W. Cardon, et al. "Shear Bond Comparison between 4 Bioceramic Materials and Dual-cure Composite Resin." Journal of Endodontics 45, no. 11 (2019): 1378–83. http://dx.doi.org/10.1016/j.joen.2019.07.008.

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SEGATO, Clarissa Estefani, Flávia Lucisano Botelho do AMARAL, Fabiana Mantovani Gomes FRANÇA, Flávia Martão FLÓRIO, and Roberta Tarkany BASTING. "Fracture resistance of weakened human premolar roots after use of a glass fiber post together with accessory posts." Revista de Odontologia da UNESP 43, no. 4 (2014): 280–85. http://dx.doi.org/10.1590/rou.2014.044.

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OBJECTIVE: To evaluate the fracture strength of human premolar teeth with wide root canals, restored with glass fiber posts and resin cement, together with different numbers of accessory posts.MATERIAL AND METHOD: Thirty-six premolars received standardized preparations that simulated weakened roots, and were divided into three groups (n=12): G0 - glass fiber post (Reforpost/Angelus) cementation with dual cure resin cement (Rely X ARC/3M ESPE); G1 - glass fiber post cementation and one accessory post (Reforpin/Angelus), with dual cure resin cement; G2 - glass fiber post cementation and two acce

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Ikemoto, Soshi, Yuya Komagata, Shinji Yoshii, Chihiro Masaki, Ryuji Hosokawa, and Hiroshi Ikeda. "Impact of CAD/CAM Material Thickness and Translucency on the Polymerization of Dual-Cure Resin Cement in Endocrowns." Polymers 16, no. 5 (2024): 661. http://dx.doi.org/10.3390/polym16050661.

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The objective of this study is to evaluate the impact of the thickness and translucency of various computer-aided design/computer-aided manufacturing (CAD/CAM) materials on the polymerization of dual-cure resin cement in endocrown restorations. Three commercially available CAD/CAM materials—lithium disilicate glass (e.max CAD), resin composite (CERASMART), and a polymer-infiltrated ceramic network (ENAMIC)—were cut into plates with five different thicknesses (1.5, 3.5, 5.5, 7.5, and 9.5 mm) in both high-translucency (HT) and low-translucency (LT) grades. Panavia V5, a commercial dual-cure resi

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Otake, Shiho, Shinya Oishi, Taisuke Ozaki, Masaomi Ikeda, and Wataru Komada. "Effect of Method of Removing Caries-Affected Dentin on the Bond Strength of Composite Resin to Root Canal Dentin." Healthcare 10, no. 11 (2022): 2143. http://dx.doi.org/10.3390/healthcare10112143.

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The adhesion of composite resin to caries-affected dentin differs from the adhesion of resin to sound dentin. We evaluated the bond strengths of dual-cure resin composites applied to caries-affected root canal dentin under various clinical conditions and using several caries removal indicators. In the dye stain 1 group, caries were removed to a pale pink stain level using a caries detector. In the dye stain 2 group, caries were removed to a stain-free level using a caries detector. In the probing group, caries were removed to the level of hardness based on probing with a sharp explorer. Additi

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Aytaç Bal, Fatma, Merve Ağaccıoğlu, and Osman Demir. "A comparative study of the 5 mm-layer Vickers hardness model with bulk-fill resin-based composites." International Dental Research 11, no. 3 (2021): 172–79. http://dx.doi.org/10.5577/intdentres.2021.vol11.no3.6.

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Aim: The aim of this study was to compare the Vickers hardness numbers (VHNs) of two bulk-fill resin-based composites (BFRBC) and a conventional hybrid resin-based composite (RBC) through the layers of a 5mm thickness model with two different light-curing time intervals. Methodology: In the present study, a sonic-activated and dual-cure BFRBC, and a conventional hybrid RBC were used. Semi-cylindrical specimens 4 mm in radius and 5 mm in height were prepared using a two-piece stainless-steel mold (n=10). The BFRBCs allowed a single 5mm increment to be introduced into the molds, whereas hy

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Dimitriadi, Maria, Aikaterini Petropoulou, Konstantinos Masouras, Maria Zafiropoulou, Spiros Zinelis, and George Eliades. "The Effect of Touch-Cure Polymerization on the Conversion and Hardness of Core Build-Up Resin Composites: A Laboratory Study." Materials 14, no. 20 (2021): 6025. http://dx.doi.org/10.3390/ma14206025.

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To improve the self-curing capacity and interfacial strength with dentine of dual-cured composite materials, touch-cure activators have been introduced. The aim of the study was to evaluate the effect of these activators on the hardness and conversion of dual-cured resin composite core build-up restoratives. The materials tested were Clearfil DC Core Plus (CF) and Gradia Core (GC) with the corresponding adhesives Clearfil S3 Bond Plus (for CF) and G-Premio Bond/G-Premio DCA activator (for GC). Disk-shaped specimens (n = 6/group) were prepared for the following groups: dual-cured, self-cured an

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Dimitriadi, Maria, Aikaterini Petropoulou, Konstantinos Masouras, Maria Zafiropoulou, Spiros Zinelis, and George Eliades. "The Effect of Touch-Cure Polymerization on the Conversion and Hardness of Core Build-Up Resin Composites: A Laboratory Study." Materials 14, no. 20 (2021): 6025. http://dx.doi.org/10.3390/ma14206025.

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To improve the self-curing capacity and interfacial strength with dentine of dual-cured composite materials, touch-cure activators have been introduced. The aim of the study was to evaluate the effect of these activators on the hardness and conversion of dual-cured resin composite core build-up restoratives. The materials tested were Clearfil DC Core Plus (CF) and Gradia Core (GC) with the corresponding adhesives Clearfil S3 Bond Plus (for CF) and G-Premio Bond/G-Premio DCA activator (for GC). Disk-shaped specimens (n = 6/group) were prepared for the following groups: dual-cured, self-cured an

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Mitrović, Aleksandra, Dušan Antonović, Ivan Tanasić, et al. "3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements." BioMed Research International 2019 (November 17, 2019): 1–7. http://dx.doi.org/10.1155/2019/2041348.

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The introduction of resin-based cements and an adhesive-bonding system in daily dental practice has given the opportunity to increase the retention of previously conventional cemented restorations and the optimal results in esthetic. This experimental study employed the 3D Digital Image Correlation Method (3D-DIC) for detecting shrinkage strain in four dual cured composite cements. The aim was to visualize measure, analyze, and compare strain fields in four resin-based cements using the 3D-DIC method. A total of 72 samples were divided into 4 groups considering variations in sample types, diam

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Pal, Progyna Paramita, Dibyendu Mazumdar, Swarupananda Bera, Suman Kar, Dristi Sahay, and Kuntal Chowdhuri. "Comparative evaluation of incorporation of ferrule in premolars endocrown designs to check any alterations in their fracture resistance: A pilot study." Journal of Conservative Dentistry and Endodontics 27, no. 7 (2024): 730–36. http://dx.doi.org/10.4103/jcde.jcde_277_24.

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Introduction: Endocrown preparation of endodontically treated teeth as final restoration has been extensively studied for different teeth. Bindl et al. questioned the application of endocrowns for premolars due to the pulp chamber space’s smaller dimensions, which diminish bonding surface area. The addition of ferrule into the endocrown preparations of premolars has not been extensively studied. Aims and Study Design: Comparative evaluation of incorporation of the ferrule in premolars endocrown designs to check any alterations in their fracture resistance. Materials and Methods: The sample con

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Dikici, Burcu, Elif Türkeş Başaran, and Esra Can. "Does the Type of Resin Luting Material Affect the Bonding of CAD/CAM Materials to Dentin?" Dentistry Journal 13, no. 1 (2025): 41. https://doi.org/10.3390/dj13010041.

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Background/Objectives: This study aimed to investigate the microtensile bond strength (µTBS) of composite-based (Cerasmart), polymer-infiltrated (Vita Enamic), and feldspathic (Cerec) CAD/CAM blocks luted to dentin using a dual-cure resin cement (LinkForce), as well as micro-hybrid (G-aenial) and flowable composites (G-aenial Universal Flo), and evaluate the microhardness (HV) of luting materials through the CAD/CAM blocks. Methods: Cerasmart, Enamic, and Cerec were luted to dentin using three luting materials; LinkForce, G-aenial, and Universal Flo (n = 5). For HV, 117 disk-shaped specimens f

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Davis, Peter, Luciana S. D. Melo, Richard M. Foxton, et al. "Flexural strength of glass fibre-reinforced posts bonded to dual-cure composite resin cements." European Journal of Oral Sciences 118, no. 2 (2010): 197–201. http://dx.doi.org/10.1111/j.1600-0722.2010.00721.x.

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Scott, D. A. "Hardening of Dual-Cure Resin Cements and a Resin Composite Restorative Cured With QTH and LED Curing Units." Yearbook of Dentistry 2006 (January 2006): 5–6. http://dx.doi.org/10.1016/s0084-3717(08)70006-0.

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Akrawatcharawittaya, Phalat, Tool Sriamporn, Suchada Vuddhakanok, Niyom Thamrongananskul, and Awiruth Klaisiri. "The Effect of a Dual Cure Activator on Self-Adhesive Resin Cements and Zirconia Shear Bond Strength." Ceramics 7, no. 3 (2024): 1237–46. http://dx.doi.org/10.3390/ceramics7030082.

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This study examines the impact of a dual cure activator (DCA) when applied in combination with self-adhesive resin cements on the zirconia. Sixty zirconia were prepared in compliance with the manufacturer’s directions. The specimens were randomly assigned to each group under the dark condition, following DCA and self-adhesive resin cements [RelyX universal resin cement (RXS); Maxcem elite chroma (MAC); Panavia SA cement multi (PSM)]; group 1, RXS; group 2, MAC; group 3, PSM; group 4, DCA + RXS; group 5, DCA + MAC; and group 6, DCA + PSM. The resin composite was fixed to the zirconia, surface-t

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Alqahtani, Waleed, Salah A. Yousuf, Mohamed F. Metwally, et al. "Comparison of Resin Composite and Biodentine Cervical Marginal Elevation on the Marginal Gap of Two Computer-Aided Design/Computer-Aided Manufacture Endocrown Materials: In Vitro Study." Journal of Biomaterials and Tissue Engineering 13, no. 6 (2023): 765–72. http://dx.doi.org/10.1166/jbt.2023.3312.

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Objective: This study is the impact of resin composite and bio dentine cervical marginal elevation on vertical marginal gap using two CAD/CAM endo-crowns. Materials and Methods: 32 molars were employed, separated into two main groups: Group R, which included 16 molar teeth elevated distally with resin composite each; and Group B, which included 16 molar teeth elevated distally with dentine. The prepared teeth were then restored using endo-crown restorations. There were 2 equal subgroups for each main group (Vita MarkII and Lava Ultimate endo-crowns; n = 8). The samples underwent thermocycling

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Koymen, Safiye Selin, Nazmiye Donmez, Vildan Betul Yenigun, Fatemeh Bahadori, and Abdurrahim Kocyigit. "Investigating the Cytotoxicity of Dual-Cure Bulk-Fill Resin Materials on L929 Cells." Prosthesis 4, no. 3 (2022): 447–57. http://dx.doi.org/10.3390/prosthesis4030036.

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The aim of this in vitro study was to investigate cytotoxic effects of dual-cure bulk-fill resin materials polymerized with a third-generation LED light-curing unit (LCU) on L929 fibroblast cells in terms of morphology and viability. Three novel dual-cure, flowable bulk-fill materials (Fill-Up!™), a bioactive material (ACTIVA™ BioACTIVE-RESTORATIVE™), and a dual-cure bulk-fill composite material (HyperFIL® HAp) polymerized by LED LCU (VALO™ Cordless) were tested. Each material was placed in plastic rings (4 mm × 5 mm) in a single layer. Unpolymerized rings filled with each material were placed

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Moosavi, Horieh, Fathemeh Maleknejad, Nasrin Sarabi, Resa Shahriari, and Taybeh Shayankhah. "The Effect of Different Adhesive Types and Curing Methods on Microleakage and the Marginal Adaptation of Composite Veneers." Journal of Contemporary Dental Practice 10, no. 3 (2009): 18–26. http://dx.doi.org/10.5005/jcdp-10-3-18.

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Abstract Aim The aim of this in vitro study was to evaluate the influence of application techniques (with pre-curing vs without pre-curing) for dentin adhesive on microleakage and marginal adaptation of indirect composite veneer restorations. Methods and Materials A total-etch bonding system, Excite/Variolink II (EXV), and a self-etching primer system, Panavia F2.0 (PF2), were used in the study. Forty-eight human central incisors were prepared for composite veneer restorations. The teeth were divided into two groups (n=24). For each resin cement, one half of each experimental group included an

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Taher, Nadia Malek, Yousra Al-Khairallah, Sheikha Hamed Al-Aujan, and Maha Ad'dahash. "The Effect of Different Light-Curing Methods on Temperature Changes of Dual Polymerizing Agents Cemented to Human Dentin." Journal of Contemporary Dental Practice 9, no. 2 (2008): 57–64. http://dx.doi.org/10.5005/jcdp-9-2-57.

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Abstract Aim This in vitro study aims to measure the temperature changes of resin luting cements cemented to human dentin when using different light curing systems for photo-activitation. Methods and Materials The three different types of light-curing units (LCUs) used for photoactivation were quartz-tungsten halogen (QTH), light emitting diode (LED), and plasma arc (PAC). Two types of dual cure resin cements were used [Variolink II™ (VL) and Choice™ (CH)]. Feltik Z250™ composite resin material was used to prepare composite discs. Thirty human dentin specimens were prepared for each resin luti

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Liu, Chang Wei, Xiao Gang Zhao, Cheng Yang Wang, et al. "Rheological Behaviors Characterization and Modeling of a Novel Three-Branched Phenylethynyl-Terminated Imide Oligomer." Advanced Materials Research 199-200 (February 2011): 83–86. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.83.

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To prepare novel polyimides with enhanced thermal stability and low melt viscosity, a novel three-branched phenylethynyl-terminated imide oligomer was introduced. The oligomer can be used to prepare high performance resin-based composite material via resin transfer molding (RTM) due to its low melt viscosity (<2Pa.s) between 250°C and 320°C. The cured resin exhibits excellent thermal stability and higher glass transition temperature than PETI series as a result of the introduction of star-branched units. In this research, the rheological properties of the oligomer were measured and numerica

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Alharbi, Reema, Eid Alharbi, Sanaa N. Al-Haj Ali, and Ra’fat I. Farah. "Thickness-Dependent Light Transmittance and Temperature Rise in Dual-Cure Bioactive and Light-Cure Bulk-Fill Composite Resins." Polymers 15, no. 13 (2023): 2837. http://dx.doi.org/10.3390/polym15132837.

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This study aimed to assess the light transmittance (T) and temperature increase through different increments of dual-cure bioactive bulk-fill restorative material (ACTIVA), light-cure bulk-fill, and conventional composite resin materials. Cylindrical specimens with a diameter of 8 mm and heights of 1, 2, 3, and 4 mm of ACTIVA, Tetric-N-Ceram bulk-fill (TBF), Filtek One bulk-fill (FBF), and Filtek Z250 (FZ) (n = 6 per group, 96 in total) were light-cured with a visible blue low-intensity light-emitting diode (LED) (650–800 mW/cm2 irradiance). T, and the temperature increase, were measured using

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Chang, H.-S., and J.-W. Kim. "Early Hardness and Shear Bond Strength of Dual-cure Resin Cement Light Cured Through Resin Overlays With Different Dentin-layer Thicknesses." Operative Dentistry 39, no. 4 (2014): 398–406. http://dx.doi.org/10.2341/13-122-l.

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SUMMARY The purpose of this study was to investigate whether dentin-layer thickness of resin overlays could affect the early hardness and shear bond strength of dual-cure resin cement (DCRC, RelyX ARC) after light curing with light curing units (LCUs) of various power densities: Optilux 360 (360), Elipar Freelight 2 (FL2), and Elipar S10 (S10). Resin overlays were fabricated using an indirect composite resin (Sinfony) with a dentin layer, an enamel layer, and a translucent layer of 0.5 mm thickness each (0.5-0.5-0.5) or of 0.2 mm, 0.5 mm, and 0.8 mm thickness (0.2-0.5-0.8), respectively. The D

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Zhabuawala, Murtuza S. "Reinforcing Effects of Calcium Silicate-based Cement and Dual Cure Composite Resin in Simulated Immature Teeth with an Open Apex: An in vitro Study." International Journal of Clinical Pediatric Dentistry 10, no. 4 (2017): 351–57. http://dx.doi.org/10.5005/jp-journals-10005-1464.

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ABSTRACT Aim To evaluate the fracture resistance of simulated immature teeth with an apical plug of biodentine followed by composite resin vs total obturation with biodentine tested immediately and after 3 months of aging and also to find out the chemical composition of dentin in contact with these materials. Materials and methods Extracted human maxillary central incisors with simulated immature apex with radicular dentin thickness (RDT) of 1 to 1.5 mm selected and divided into three groups of 20 each. Group I (control)—4 mm biodentine apically and thermoplasticized gutta-percha. Group II—4 m

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M, Abdulgani, Qawasmeh N., Abdulgani Azz, and Abu-Hussein M. "Reattachment of Fractured Tooth Segment in Minimally Invasive Way - A Case Report." Journal of Medical and Dental Science Research 11, no. 8 (2024): 24–30. http://dx.doi.org/10.35629/076x-11082430.

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Dental trauma frequently results in coronal fractures of the front teeth. Root canal therapy followed by reattaching the fractured segment with fiber post reinforcement is a viable alternative in cases of complex fractures where the fractured segment is present and there is close approximation of the segment to the intact tooth. Reattaching a fractured piece is a quicker, less involved process that offers immediate relief, better aesthetics, and function restoration. The present case report is of a 11-year-old boy with an uncomplicated crown fracture of permanent maxillary right central inciso

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Lee, Yoon, Junghyun Kim, and Yooseok Shin. "Push-Out Bond Strength Evaluation of Fiber-Reinforced Composite Resin Post Cemented with Self-Adhesive Resin Cement Using Different Adhesive Bonding Systems." Materials 14, no. 13 (2021): 3639. http://dx.doi.org/10.3390/ma14133639.

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The purpose of this in vitro study was to evaluate the push-out bond strength of fiber-reinforced resin posts using self-adhesive cements with different adhesive systems. A total of 50 single-rooted human maxillary premolars with fully developed apices and 15–16 mm straight root canals were selected. The teeth were divided into 10 groups with coronal and apical parts according to the adhesive bonding system and luting material used: one universal adhesive with MDP-containing self-adhesive resin cement; another universal adhesive with MDP-containing self-adhesive resin cement; universal primer

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Matos, Luanne Mara Rodrigues de, Marcelo Lopes Silva, Thais Oliveira Cordeiro, et al. "Fracture resistance of endodontically treated teeth and restored with different fiber posts in distinct diameters." Research, Society and Development 11, no. 7 (2022): e56111730169. http://dx.doi.org/10.33448/rsd-v11i7.30169.

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Objective: The aim of this in vitro study was to evaluate the fracture resistance of endodontically treated teeth restored with different intraradicular posts (carbon fibers, glass, or quartz) with varying post diameters (narrow, medium, or large). Methodology: One hundred and twenty bovine incisors were endodontically treated and the post space was prepared. The teeth were classified according to distinct diameters post space [Narrow (0.91-1.49mm), Medium (1.5-2.08mm), Large (2.09mm-2.67mm)] and randomly allocated to four restorative treatments: control (CO) - without post; and glass fiber (G

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Mallya, J., N. DuVall, J. Brewster, and H. Roberts. "Endodontic Access Effect on Full Contour Zirconia and Lithium Disilicate Failure Resistance." Operative Dentistry 45, no. 3 (2020): 276–85. http://dx.doi.org/10.2341/18-231-l.

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SUMMARY Objectives: To evaluate the effect of endodontic access on the failure load resistance of both adhesively and conventionally luted, full-contour monolithic yttria-stabilized zirconium dioxide (Y-TZP) and adhesively luted lithium disilicate (LD) crowns cemented on prepared teeth. Methods and Materials: Seventy-two human maxillary molars were prepared per respective guidelines for all-ceramic crowns with one group (n=24) restored with LD and the other (n=48) receiving Y-TZP crowns. Preparations were scanned using computer-aided design/computer-aided milling (CAD/CAM) technology, and mill

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Kacprzak-Ogłuszka, Marzena, and Beata Dejak. "Bond strength of glass fibre-reinforced posts with composite cement." Prosthodontics 68, no. 2 (2018): 232–42. http://dx.doi.org/10.5604/01.3001.0012.0492.

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Introduction. The most common failure in using glass fibre-reinforced composite posts is cementation of the post, i.e. the lack of junction between cement dentine or post. Aim of the study. To compare the bond strength between different glass fibre-reinforced composite (FRC) posts and selected composite cement. Materials and Methods. The following seven types of fiber reinforced composite posts (n =10): Fiber Post (GC Europe N.V., Leuven, Belgium), Glassix (Harald Nordin SA, Chailly s/ Montreux, Switzerland), Rebilda®Post (VOCO GmbH, Cuxhaven, Germany), FibreKleer Serrated Post (Pentron Clinic

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Gautam, A., AD Bele, and D. Jain. "Reattachment of Fractured Tooth Fragment in Maxillary Anterior Teeth: An Esthetic Approach." Journal of Oral Health and Community Dentistry 8, no. 3 (2014): 184–87. http://dx.doi.org/10.5005/johcd-8-3-184.

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ABSTRACT Fracture of anterior teeth is a very common form of dental injuries among children and young adolescents. Various treatment modalities have been practiced in past but reattachment of fractured fragment is considered to be most conservative, natural and esthetic approach. The restoration of natural teeth form, color and alignment in these patients create a positive social and emotional response in such patients. This article discusses a case of 16 year old female patient with fractured right central incisor(ellis class 3 fracture). Reattachment of fractured fragment was done after sing

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A, Badimela, Hariharan R, Jayakrishna kumar, and Azhagarasan N S. "Comparative evaluation of the pushout bond strength of fibre reinforced composite resin post and peek (polyetheretherketone) post following surface treatments." JOURNAL OF CLINICAL PROSTHODONTICS AND IMPLANTOLOGY 1, no. 2 (2019): 1–9. http://dx.doi.org/10.55995/j-cpi.2019007.

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Background: There is a lack of literature in the scientific domain on the use of PEEK material as a radicular post for both anterior and posterior teeth. Aim: To comparatively evaluate the push out bond strength of prefabricated glass fiber reinforced composite resin post and customized modified Polyetheretherketone (PEEK) post following surface treatments. Materials and methods: Total of thirty mandibular first single rooted premolars were divided into two groups of fifteen each (n=15) named as fibre reinforced resin post and modified PEEK post. All the specimens were subjected to endodontic

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Ilie, Nicoleta. "Comparative Effect of Self- or Dual-Curing on Polymerization Kinetics and Mechanical Properties in a Novel, Dental-Resin-Based Composite with Alkaline Filler." Materials 11, no. 1 (2018): 108. http://dx.doi.org/10.3390/ma11010108.

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Dental bulk-fill restorations with resin-composites (RBC) are increasing in popularity, but doubts concerning insufficient curing in depth still disconcert clinicians. An alternative might be offered by modern dual-cured RBCs, which additionally provide bioactive properties. This study assessed the impact of additional light-curing on polymerization kinetics, the degree of conversion (DC) and mechanical properties of a novel, dual-cured RBC with alkaline fillers. Since the bioactivity of a material often implies a release of compounds, the mechanical stability in simulated clinical environment

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Tango, Rubens Nisie, Mário Alexandre Coelho Sinhoreti, Américo Bortolazzo Correr, Lourenço Correr-Sobrinho, and Rafael Leonardo Xediek Consani. "Effect of veneering materials and curing methods on resin cement knoop hardness." Brazilian Dental Journal 18, no. 3 (2007): 235–39. http://dx.doi.org/10.1590/s0103-64402007000300011.

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This study evaluated the Knoop hardness of Enforce resin cement activated by the either chemical/physical or physical mode, and light cured directly and through ceramic (HeraCeram) or composite resin (Artglass). Light curing were performed with either conventional halogen light (QTH; XL2500) for 40 s or xenon plasma arc (PAC; Apollo 95E) for 3 s. Bovine incisors had their buccal surfaces flattened and hybridized. On these surfaces a mold was seated and filled with cement. A 1.5-mm-thick disc of the veneering material was seated over this set for light curing. After storage (24 h/37ºC), specime

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Alves, Paula Barbosa, Ana Luiza Barbosa Jurema, Carlos Rocha Gomes Torres, et al. "Bond Strength Evaluation between Different Glass Fiber Post Systems to Restore Weakened Roots." Journal of Composites Science 6, no. 9 (2022): 252. http://dx.doi.org/10.3390/jcs6090252.

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A new bundled glass fiber-reinforced resin post was developed to be used in post-endodontic restoration. We evaluated the bond strength of a single prefabricated glass fiber post (GFP) and a bundled glass fiber-reinforced resin post (GT), used alone or combined, to restore weakened roots. Fifty bovine incisors roots were weakened with a diamond bur, except for those from the control group. The root canals were endodontically treated (Pro Taper Next system, gutta-percha, and endodontic cement), and the roots were divided into five groups (n = 10): Reb—single prefabricated GFP (Rebilda Post—Voco

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Magne, P., J. Goldberg, D. Edelhoff, and J.-F. Güth. "Composite Resin Core Buildups With and Without Post for the Restoration of Endodontically Treated Molars Without Ferrule." Operative Dentistry 41, no. 1 (2016): 64–75. http://dx.doi.org/10.2341/14-258-l.

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SUMMARY Objective The aim of this study was to investigate the restoration of highly damaged, broken-down endodontically treated molars without the ferrule effect using glass ceramic crowns on different dual-cure composite resin core buildups. Methods and Materials Thirty (N=30, n=15) decoronated, endodontically treated teeth (no ferrule) were restored without a ferrule with a direct buildup using the dual-curing composite Multicore HB (group MHB) or the dual-curing composite core buildup Multicore Flow in combination with glass-fiber–reinforced composite post (FRC post; group MFP). All teeth

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