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Surface Modification of Titanium Dental Implants by Excimer Laser

M. Radnai
M. Bereznai
I. Pelseczi
Z. Toth
K. Turzo
Z. Bor
A. Fazekas

Puni tekst: engleski, pdf (51 KB) str. 324-325 preuzimanja: 514* citiraj
APA 6th Edition
Radnai, M., Bereznai, M., Pelseczi, I., Toth, Z., Turzo, K., Bor, Z. i Fazekas, A. (2002). Surface Modification of Titanium Dental Implants by Excimer Laser. Acta stomatologica Croatica, 36 (3), 324-325. Preuzeto s https://hrcak.srce.hr/10101
MLA 8th Edition
Radnai, M., et al. "Surface Modification of Titanium Dental Implants by Excimer Laser." Acta stomatologica Croatica, vol. 36, br. 3, 2002, str. 324-325. https://hrcak.srce.hr/10101. Citirano 05.12.2020.
Chicago 17th Edition
Radnai, M., M. Bereznai, I. Pelseczi, Z. Toth, K. Turzo, Z. Bor i A. Fazekas. "Surface Modification of Titanium Dental Implants by Excimer Laser." Acta stomatologica Croatica 36, br. 3 (2002): 324-325. https://hrcak.srce.hr/10101
Harvard
Radnai, M., et al. (2002). 'Surface Modification of Titanium Dental Implants by Excimer Laser', Acta stomatologica Croatica, 36(3), str. 324-325. Preuzeto s: https://hrcak.srce.hr/10101 (Datum pristupa: 05.12.2020.)
Vancouver
Radnai M, Bereznai M, Pelseczi I, Toth Z, Turzo K, Bor Z i sur. Surface Modification of Titanium Dental Implants by Excimer Laser. Acta stomatologica Croatica [Internet]. 2002 [pristupljeno 05.12.2020.];36(3):324-325. Dostupno na: https://hrcak.srce.hr/10101
IEEE
M. Radnai, et al., "Surface Modification of Titanium Dental Implants by Excimer Laser", Acta stomatologica Croatica, vol.36, br. 3, str. 324-325, 2002. [Online]. Dostupno na: https://hrcak.srce.hr/10101. [Citirano: 05.12.2020.]

Sažetak
The perfect osseointegration process of the dental implants depends among other factors on the surfact characteristics of the titanium. In this study enlarged mechanical roughness was produced by a laser-based technique, in order to decrease the healing period of the implant. There are different ways of forming laser induced surface
structures. In the case of mask projection techniques the surface can be modified in larger areas and surface patterns. An ArF nanosecond excimer laser was used in the experiments because of the advantageous properties of the excimer beams. Effective polishing by homogeneous laser illumination in the 3-5 J/cm2 fluence range was performed as confirmed by SEM and AFM studies. Holes of about
20 mm diameter and 10 mm in depth, with high aspect ratio and protrusions around the edges were ablated into the titanium surface with subsequent pulses of ns ArF excimer laser. To avoid easily breakable protrusions we applied excimer pulse durations of 0.5 picoseconds. In this case we obtained melting- and ridge-free ablation of titanium. The laser treatment influenced the chemical composition of the surface in two respects. On the one hand it
removed carbonaceous contamination as indicated by XPS and XRD measurements, demonstrating that cleaning of the surface does not alter the original crystalline structure. On the other hand, XPS measurements proved that pulsed laser oxidation in air increased the thickness of the surface oxide layer, promoting better osseointegration.

Hrčak ID: 10101

URI
https://hrcak.srce.hr/10101

Posjeta: 801 *