Table 1. Stress generated in the posterior region in the models of both groups.
| Model | Points | Tension (MPa) |
| without distal bend | 6 | 1.2 (120%) |
| 7 | 1.0 (100%) | |
| 8 | 0.8 (80%) | |
| with distal bend | 6 | 1.0 (100%) |
| 7 | 1.0 (100%) | |
| 8 | 1.0 (100%) |
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