Research Article

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

Table 3

Histological results of tissue overlying metal junctions comparing single metal and mixed metal combinations (values are average ± standard deviation).

SSTiMixed value
( )( )( )

Foreign body reaction 0.347
(number of cells in 6 100x fields)
Metal particles 0.381
(number of particles in 6 fields)
Inflammation (average score) 0.711
(0 = not present, 2 = extensively present)