From: Speed and quality of interbody fusion in porous bioceramic Al2O3 and polyetheretherketone cages for anterior cervical discectomy and fusion: a comparative study
Study group
Al2O3
(N = 68)
PEEK
(N = 35)
p value
n (%)
Subsidence
8 (11.8%)
8 (22.9%)
0.159
Osteolysis
3 (4.4%)
5 (14.3%)
0.117
Subsidence in cases of osteolysis
None
3 out of 5