Fitting of Different Intraradicular Composite Posts to Oval Tooth Root Canals: A Preliminary Assessment
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Specimens
2.2. Microscopic Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Group; Material (Brand, Manufacturer, Country) | Organic Matrix (wt.%) | Inorganic Fillers (wt.%) | Filler Shape and Type | Elastic Modulus and Fracture Load |
---|---|---|---|---|
Control group, Standard GFRC post (RebildaTM, VOCO, Cuxhaven, Germany) | UDMA; DMA (20 wt.%) [1] | 70–80 | Glass fibers (10–20 μm) with SiO2, SnO2, B2O3, Al2O3 alkali oxides Coronal diameter: 2 mm Apical diameter: 1.02 1.5 mm diameter | E: 18–30 GPa; F: 400–600 N |
Bundle GFRC post (Rebilda GTTM, VOCO, Cuxhaven, Germany) | UDMA; DMA (20 wt.%) | 70–80 [1] | Glass fibers (10–20 μm) with SiO2, SnO2, B2O3, Al2O3 alkali oxides 12 single narrow GFRC filaments 1.4 mm diameter Single GFRC filament diameter: 0.3 mm [2] | E: 31.5 GPa; F: 1040 N |
Sleeve-system GFRC (Splendor SAPTM, Angelus, Londrina, Brazil) | Epoxy resin (19–20 wt.%) | 50–80 | Glass fibers, type E or E-glass, with SiO2 (55–65%),CaO (9–25%), B2O3, Al2O3 (15–30%) alkali oxide metals a [3] Main Post Diameter: 1.0 mm Sleeve Diameter: 1.4 mm Sleeve taper: 0.8 mm | E: 37 GPa [4]; F: 835.9 N |
Accessory GFRC posts (ReforpinTM, Angelus, Londrina, Brazil) | Epoxy resin (19–20 wt.%) | 80 | Glass fibers, type E or E-glass, with SiO2 (55–65%),CaO (9–25%), B2O3,Al2O3 (15–30%) alkali oxides metals a [3] Diameter: 1.3 mm Length: 14 mm | E: 35–45 GPa; F: 569.5 N |
Self-adhesive resin cement (RelyX U200TM, 3M, Maplewood, MN, USA) | TEGDMA, 3-propanediyl dimethacrylate and phosphorus oxid, propyl and phenyltrimethoxy silane, propenoic acid, 2-methyl-, 2-hydroxy-1, 3-propanediyl dimethacrylate and phosphorus oxide and phosphoric acid groups (28 wt.%) [5,6] | 72 [5] | Trisilane-treated silica, powdered glass, chemical glass oxides (non-fibrous), glass fillers, glass fibers, acetic acid, copper sodium monohydrate [7] | E: 15.99 GPa; FS: 81.29 MPa [8]; VMH: 58.64 HV (cervical) and 56.1 HV (apical) [9] |
Group CDD, Dual-cured resin cement (ParacoreTM, Coltene Whaledent, Cuyahoga Falls, OH, USA) | Bis-GMA, UDMA, TEGDMA, DDDMA, TMPTMA, BHT, dibenzyl peroxide, CQ, accelerators [10] | 74 [11] | Amorphous silica, zinc oxide, barium glass, and sodium fluoride particles Particle size: 0.01–5 μm [10,12] | E: 9.2 GPa [10]; FS: 120 MPa [11] BS: 280 MPa; VMH, 43.2 HV [13] |
(ParabondTM, Coltene Whaledent, Cuyahoga Falls, OH, USA) | Adhesive A: Methacrylate (HEMA) (39%), Maleic acid (1.5%), Benzoyl peroxide (1.5%). Adhesive B: Ethanol (80%), Water and Initiators. [14,15] PH: 0.9–1.3 [16] | 52 | Micro-scale barium glass ceramic and zirconium glass ceramic micro-scale particles at 1 μm Nano-scale SiO2 particles at around 20–40 nm [16] | E: -; FS: -; SBS: 5.44 MPa |
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Fernandes, V.; Fidalgo-Pereira, R.; Edwards, J.; Silva, F.; Özcan, M.; Carvalho, Ó.; Souza, J.C.M. Fitting of Different Intraradicular Composite Posts to Oval Tooth Root Canals: A Preliminary Assessment. Materials 2024, 17, 2520. https://doi.org/10.3390/ma17112520
Fernandes V, Fidalgo-Pereira R, Edwards J, Silva F, Özcan M, Carvalho Ó, Souza JCM. Fitting of Different Intraradicular Composite Posts to Oval Tooth Root Canals: A Preliminary Assessment. Materials. 2024; 17(11):2520. https://doi.org/10.3390/ma17112520
Chicago/Turabian StyleFernandes, Valter, Rita Fidalgo-Pereira, Jane Edwards, Filipe Silva, Mutlu Özcan, Óscar Carvalho, and Júlio C. M. Souza. 2024. "Fitting of Different Intraradicular Composite Posts to Oval Tooth Root Canals: A Preliminary Assessment" Materials 17, no. 11: 2520. https://doi.org/10.3390/ma17112520