| Follow-up time | Group I, M ± SD (mm) | Group II, M ± SD (mm) | P value |
---|---|---|---|---|
Mesial | After 6 months | 0.82 ± 0.11 | 0.79 ± 0.1 | 0.5* |
After 12 months | 1.01 ± 0.11 | 1.03 ± 0.12 | 0.6* | |
Distal | After 6 months | 0.75 ± 0.09 | 0.74 ± 0.08 | 0.7* |
After 12 months | 1.04 ± 0.04 | 1.38 ± 0.23 | 0.001** |