Tantalum oxide as filler for dental adhesive resin
| Autor: | Vicente Castelo Branco Leitune, Isadora Martini Garcia, Carolina Jung Ferreira, Fabrício Mezzomo Collares |
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| Rok vydání: | 2018 |
| Předmět: |
Materials science
Surface Properties Scanning electron microscope Radiodensity Tantalum chemistry.chemical_element 02 engineering and technology 03 medical and health sciences 0302 clinical medicine Hardness Dental cement Tensile Strength Materials Testing Ultimate tensile strength Particle Size Composite material General Dentistry Softening Lasers Oxides 030206 dentistry 021001 nanoscience & nanotechnology Resin Cements chemistry Microscopy Electron Scanning Ceramics and Composites Adhesive Particle size 0210 nano-technology |
| Zdroj: | Dental Materials Journal. 37:897-903 |
| ISSN: | 1881-1361 0287-4547 |
| DOI: | 10.4012/dmj.2017-308 |
| Popis: | The purpose of this study was to formulate and evaluate an adhesive resin with tantalum oxide. Ta2O5 was evaluated by scanning electron microscopy and laser diffraction. The adhesive was formulated with methacrylate monomers and photoinitiators. Ta2O5 was added into the adhesive at 1, 2, 5 and 10 wt%. One group remained without filler (control group). Ta2O5 distribution, radiopacity (n=5), degree of conversion (DC) (n=3), softening in solvent (n=5) and ultimate tensile strength (UTS) (n=10) were evaluated. Data were analyzed by one-way ANOVA and Tukey's test (α=0.05). Spherical nanometric Ta2O5 was arranged in 3.35 µm particles. The groups over 5 wt% presented higher radiopacity (p 0.05) and UTS (p>0.05). Tantalum oxide is a promising alternative for adhesive formulation and it could be further tested for biomimetic remineralization. |
| Databáze: | OpenAIRE |
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