Research Article
Analysis of Different Positions of Fiber-Reinforced Composite Retainers versus Multistrand Wire Retainers Using the Finite Element Method
Table 3
Displacement proportion in vertical loading and protrusive loading among the groups.
| Tooth | Direction | Displacement proportion in vertical loading | Displacement proportion in protrusive loading | M1/M2 | M1/M3 | M2/M3 | M1/M2 | M1/M3 | M2/M3 |
| Central | Apex labial | 1.5 | 1.2 | 0.8 | 1.6 | 2.0 | 1.2 | Apex palatal | 1.7 | 1.5 | 0.8 | 1.7 | 2.0 | 1.4 | Middle root labial | 1.5 | 1.2 | 0.8 | 1.1 | 1.5 | 1.2 | Middle root palatal | 1.8 | 1.5 | 0.8 | 1.3 | 3.9 | 2.9 | Cervix labial | 1.6 | 1.3 | 0.8 | 2.1 | 2.0 | 0.9 | Cervix palatal | 1.6 | 1.3 | 0.8 | 2.1 | 2.0 | 0.9 |
| Lateral | Apex labial | 0.08 | 0.1 | 1.2 | 0.3 | 0.2 | 0.7 | Apex palatal | 0.1 | 0.1 | 1.0 | 0.7 | 0.5 | 0.6 | Middle root labial | 0.08 | 0.1 | 1.2 | 0.2 | 0.2 | 0.7 | Middle root palatal | 0.1 | 0.1 | 1.0 | 0.8 | 0.3 | 0.4 | Cervix labial | 0.1 | 0.1 | 1.1 | 0.5 | 0.5 | 0.9 | Cervix palatal | 0.1 | 0.1 | 1.1 | 0.5 | 0.5 | 0.9 |
| Canine | Apex labial | 0.08 | 0.06 | 0.6 | 0.2 | 0.4 | 1.6 | Apex palatal | 0.1 | 0.09 | 0.9 | 0.5 | 0.4 | 0.8 | Middle root labial | 0.01 | 0.07 | 0.5 | 0.3 | 0.3 | 1.0 | Middle root palatal | 0.1 | 0.15 | 0.5 | 0.4 | 0.3 | 0.7 | Cervix labial | 0.08 | 0.07 | 0.9 | 0.3 | 0.4 | 1.1 | Cervix palatal | 0.08 | 0.07 | 0.9 | 0.3 | 0.4 | 1.1 |
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