Bone formation at titanium implants prepared with iso- and anisotropic surfaces of similar roughness: an in vivo study.

Abstract:

BACKGROUND:Implant surface topography influences the bone response after implantation. However, the importance of surface orientation is not known. PURPOSE:The aim of this study was to investigate the bone tissue response and the stability of titanium implants prepared with isotropic and anisotropic surfaces of similar roughness. MATERIALS AND METHODS:A total of 18 implants were divided into two groups and were inserted into the femurs of nine rabbits for 12 weeks. Confocal laser scanning microscopy was used for the topographic description to verify that the two different surfaces were modified as intended. The stability of the implants was recorded by resonance frequency (RF) measurements at insertion and at time of removal, after which the implants were evaluated histomorphometrically. RESULTS:RF measurements showed that implant stability increased with time. However, there was no significant difference between the two different surface modifications at insertion and after 12 weeks. The histomorphometric comparison revealed no statistically significant differences in regard to either bone-to-metal contact or bone area inside the threads. CONCLUSION:Titanium implants prepared with isotropic and anisotropic surfaces of similar roughness integrate similarly to bone during the 3 months after implantation.

authors

Göransson A,Wennerberg A

doi

10.1111/j.1708-8208.2005.tb00042.x

keywords:

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

17-23

issue

1

eissn

1523-0899

issn

1708-8208

journal_volume

7

pub_type

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