Research Article

The Biological Effects of Combining Metals in a Posterior Spinal Implant: In Vivo Model Development Report of the First Two Cases

Table 4

Histological results of tissue overlying metal junctions comparing wire and other types of combinations (values are average ± standard deviation).

WireOther value
( )( )

Foreign body reaction 0.956
(number of cells in 6 100x fields)
Metal particles 0.241
(number of particles in 6 fields)
Inflammation (average score) 0.711
(0 = not present, 2 = extensively present)