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Materials 2013, 6(9), 4001-4010; doi:10.3390/ma6094001

New Coating Technique of Ceramic Implants with Different Glass Solder Matrices for Improved Osseointegration-Mechanical Investigations

1
Department of Orthopaedics, Research Lab for Biomechanics and Implant Technology, University Medicine Rostock, Doberaner Strasse 142, Rostock 18057, Germany
2
ZM Praezisionsdentaltechnik GmbH, Breite Strasse 16, Rostock 18055, Germany
*
Author to whom correspondence should be addressed.
Received: 9 July 2013 / Revised: 28 August 2013 / Accepted: 4 September 2013 / Published: 11 September 2013
(This article belongs to the Section Manufacturing Processes and Systems)
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Abstract

Ceramics are a very popular material in dental implant technology due to their tribological properties, their biocompatibility and their esthetic appearance. However, their natural surface structure lacks the ability of proper osseointegration, which constitutes a crucial process for the stability and, thus, the functionality of a bone implant. We investigated the application of a glass solder matrix in three configurations—consisting mainly of SiO2, Al2O3, K2O and Na2O to TZP-A ceramic specimens. The corresponding adhesive strength and surface roughness of the coatings on ceramic specimens have been analyzed. Thereby, high adhesive strength (70.3 ± 7.9 MPa) was found for the three different coatings. The obtained roughness (Rz) amounted to 18.24 ± 2.48 µm in average, with significant differences between the glass solder configurations. Furthermore, one configuration was also tested after additional etching which did not lead to significant increase of surface roughness (19.37 ± 1.04 µm) or adhesive strength (57.2 ± 5.8 MPa). In conclusion, coating with glass solder matrix seems to be a promising surface modification technique that may enable direct insertion of ceramic implants in dental and orthopaedic surgery. View Full-Text
Keywords: surface modification; glass solder matrix; ceramic implant; adhesive strength; roughness surface modification; glass solder matrix; ceramic implant; adhesive strength; roughness
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Mick, E.; Markhoff, J.; Mitrovic, A.; Jonitz, A.; Bader, R. New Coating Technique of Ceramic Implants with Different Glass Solder Matrices for Improved Osseointegration-Mechanical Investigations. Materials 2013, 6, 4001-4010.

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