Tissue response
|
Explants (Time in weeks)
|
Polypropylene
|
|
Polypropylene:anionic collagen
|
1
|
9
|
18
|
|
1
|
9
|
18
|
I.
Ulcerated skin
|
(-)
|
(-)
|
3+/5
|
|
(-)
|
(-)
|
(-)
|
II.
Granulation tissue
|
(-)
|
(-)
|
3+/5
|
|
(-)
|
(-)
|
(-)
|
III. Fibrosis
|
3+/5
|
3+/5
|
3+/5
|
|
4+/5
|
4+/5
|
4+/5
|
IV. Inflamm. (PI)b
|
(-)
|
2+/5
|
4+/5
|
|
3+/5
|
1+/5
|
1+/5
|
IV.1.
Histiocytes
|
(-)
|
1+/5
|
2+/5
|
|
2+/5
|
1+/5
|
1+/5
|
IV.3.
CGM (CE)
|
(-)
|
1+/5
|
2+/5
|
|
2+/5
|
1+/5
|
1+/5
|
V.
Osteoid
|
(-)
|
(-)
|
1+/5 (PI)
|
|
(-)
|
(-)
|
(-)
|
VI.
Osteoblasts
|
(-)
|
(-)
|
1+/5
|
|
(-)
|
(-)
|
1+/5
|
VII.
Osteoclasts
|
(-)
|
(-)
|
(-)
|
|
(-)
|
(-)
|
1+/5
|
VII.
Primary bone
|
(-)
|
(-)
|
(-)
|
|
3+/5
|
5+/5
|
2+/5
|
VII.1.
Localization
|
(-)
|
(-)
|
(-)
|
|
PI
|
ETI
|
PI
|
VIII.
Calcification
|
(-)
|
(-)
|
(-)
|
|
(-)
|
(-)
|
(-)
|
Table 1: a
– evaluation after the
established the scale 1+/5: minimal response; 5+/5: intense response; b - CGM(CE): multinucleated
giant cells (foreign body reaction); PI: near the implant; ETI: surrounding
all the implant; (-) absent.
|