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Title: A prospective split-mouth comparative study of two screw-shaped self-tapping pure titanium implant systems
Authors: van Steenberghe, Daniel ×
De Mars, G
Quirynen, Marc
Jacobs, Reinhilde
Naert, Ignace #
Issue Date: Jun-2000
Series Title: Clinical oral implants research vol:11 issue:3 pages:202-9
Abstract: Clinical data indicate different medium and long-term outcomes of endosseous implants for different implant configurations and in particular implant surfaces. The present study compares 2 very similar implant systems but with different surface characteristics in a split-mouth-randomized design. The Astra-Tech (A) system (Astra-Tech AB, Mölndal, Sweden) consisted of selftapping TiO2-blasted screw-shaped implants made of commercially pure titanium, and the Brånemark (B) System (Nobel Biocare, Gothenburg, Sweden) comprised selftapping Mark II implants with machined surface irregularities. Throughout the 2-years' observation period, no significant differences could be found concerning probing depths, presence of plaque or change in marginal bone level. A statistically significant difference in location of the marginal bone level in relation to the shoulder of the implant was found in favor of the A system both at baseline and after 2 years. Cumulative success rates of 100% (A) and 97.7% (B) were not statistically different. From a prosthetic point of view, more soldering points were needed for A compared to B to reach clinical acceptable fit. More years of observation are needed to compare the fate of the soft and hard tissues surrounding two different implant surfaces.
URI: 
ISSN: 0905-7161
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Periodontology
Oral Imaging
Prosthetics
× corresponding author
# (joint) last author

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