NANOMORPHOLOGICAL EXAMINATION OF TITANIUM SURFACES
Koppány Ferenc
Clinical Medicine
Dr. Reusz György
SE Arc-, Állcsont-, Szájsebészeti és Fogászati Klinika előadóterme
2025-03-14 10:00:00
Dental Research
Dr. Varga Gábor
Dr. Németh Zsolt
Dr. Molnár Bálint
Dr. Fráter Márk
Dr. Márton Krisztina
Dr. Vereb Tamás
Dr. Orsós Mercédesz
In dental implantology, titanium plays a crucial role due to its material properties. Its biocompa-tibility is attributed to the spontaneously formed TiO2 layer on its surface. Various surface tre-atment procedures have shown that increasing surface roughness positively impacts the integ-ration of implants. Clinical experience, material science knowledge, and technological ad-vancements have also made it clear that, in addition to surface roughness and chemical compo-sition, other properties significantly influence osseointegration. These include the wettability and antibacterial effect of titanium surfaces, which represent one of the main challenges in the na-noscale modifications of titanium surfaces. However, the transferability of scientific achieve-ments from experimental settings to industrial-scale manufacturing is often limited by the low productivity of the underlying technologies. Nano-pitted anodic films have already demonstra-ted significant effects on osseointegration, antibacterial properties, mechanical resistance, and high reproducibility. Our study showed that concentrated orthophosphoric acid significantly enhances the hydrophilicity of such surfaces without disrupting the nano-topography. Further-more, this hydrophilicity is maintained over the long term without requiring special storage con-ditions. There is no documented surface treatment method in the literature that ensures the long-term preservation of the hydrophilicity of nanomorphological titanium oxide surfaces. Additio-nally, we assume that the nano-pitted surface treated with concentrated othophosphoric acid retains a good portion the related antibacterial effect, since it is related to the texture distribution of its nanostructure. This assumption can be further explored and validated in future studies. Our findings thus represent a potential breakthrough in surface treatment techniques for titanium implants, combining presumably enhanced biological properties with the practicality of indust-rial-scale application.
