Figure 3a Figure 3b Figure 3c
While the mean atlanto-dental instability of ADD was 5.48 mm (range
3.5-10.4 mm) in the patients with KFS, it was 6.56 mm (range: 3-8.8 mm)
in the patients with AOA. While the mean dislocation of dens towards the
cranial side in the patients with KFS and basilar invagination (BI) was
10.86 (range:7.7-15.29 mm), it was 10.07 (range:6.1-15.5 mm) in the
patients with AOA and BI (Table 1).
Table 1.