About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Society for Biomaterials: Biomaterial Applications
|
| Presentation Title |
Titania Nanorods for Posterior Dental Restoration Composites |
| Author(s) |
Isabel Lloyd, Rashmi Reddy Mallu |
| On-Site Speaker (Planned) |
Isabel Lloyd |
| Abstract Scope |
The synthesis of titania nanorods for future application as a toughening agent in dental composites was examined. Sol-gel assisted, surfactant and template free hydrothermal synthesis was used to produce six different 1D, or rod shaped, powders from Ti metal and titanium tetra-isopropoxide (TTIP). For samples made using Ti metal, the effects of glycolic acid and ammonium tartrate concentration were investigated. For TTIP, the effects of NaOH concentration were examined. Samples were characterized using scanning electron microscopy (SEM) and X-ray diffraction. Both processes produced titania with differing degrees of crystallinity and phases. The ratio of rod diameter to length and degree of agglomeration depended on the concentration of glycolic acid and ammonium tartrate or NaOH. Rods prepared using Ti metal grew too rapidly to produce nanorods and agglomerated in multi-rod bundles and “haystacks”. It was possible to produce an advantageous level of dispersed nanorods (~10 by 50 nm) using TTIP. |