Biomedical Engineering Reference
In-Depth Information
Trephine line
Bone
Implant
600
m
m
(a)
200
m
m
(b)
200
m
m
(c)
15.8
Light optical micrographs of the ground section. Most threads
are surrounded by mature cortical bone tissue with organized
Haversian systems (a) (b) while other threads are dominated by
trabecular bone and bone marrow (c).
15.5.3 Surface analysis of retrieved titanium
implants
several studies
48-51
have been made on retrieved titanium implants, attempting
to elucidate the changes that may occur at the implant surface under
in vivo
conditions. early studies of experimental implants by sundgren and co-workers
