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I. Thin Layers of Biocompatible Hydroxyapatite and Zircon – Physical Properties


Authors: Z. Teuberová 1;  M. Seydlová 1;  T. Dostálová 1;  B. Dvořánková 2;  K. Smetana Jr. 2;  M. Jelínek 3;  P. Mašínová 3;  T. Kocourek 3;  K. Kolářová 4;  J. Wilson 5
Authors‘ workplace: Protetické oddělení, Stomatologická klinika 1. LF UK, Praha 1;  Anatomický ústav, 1. LF UK, Praha 2;  Fyzikální ústav AV ČR, Praha 3;  Ústav inženýrství pevných látek Vysoká škola chemicko-technologická, Praha 4;  Fakulta nukleárních věd a fyzikálního inženýrství Česká technická univerzita, Praha 5
Published in: Česká stomatologie / Praktické zubní lékařství, ročník 107, 2007, 1, s. 5-9

Overview

Summary:
This study examined the mechanical and biological properties of titanium alloy implant cores with a buffer layer from zirconia and a coating of hydroxyapatite created with pulsed laser deposition (PLD). The thickness of the zirconia layer was 50 – 100 nm and the hydroxyapatite layer ~600 nm. We measured crystallinity, morphology, wettability and Ca/P ratio of the hydroxyapatite layer. The methods used for physical evaluation were electron microscopy, X-ray diffraction, goniometric measurement of contact angle and wavelength dispersive X-ray analysis. The physical tests summarized good mechanical properties and a satisfactory adhesion to a titanium core modified with zirconia and hydroxyapatite. PLD was found to be a promising method of applying thin films to a metal core for dental implants.

Key words:
dentistry – dental implant – coating – pulsed laser deposition – hydroxyapatite – zirconia


Labels
Maxillofacial surgery Orthodontics Dental medicine
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