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Stress shielding according to Gruen zone
| Gruen zone | TNS group | Control group | p |
|---|---|---|---|
| Zone 1 | 9, (23%) | 11, (44%) | 0.07 |
| Zone 2 | 0, (0%) | 6, (24%) | 0.001* |
| Zone 3 | 0, (0%) | 2, (8%) | 0.07 |
| Zone 4 | 0, (0%) | 0, (0%) | – |
| Zone 5 | 0, (0%) | 1, (4%) | 0.2 |
| Zone 6 | 1, (2.5%) | 9, (36%) | < 0.001* |
| Zone 7 | 21, (53.8%) | 19, (76%) | 0.07 |
*p < 0.05
