Table 3.
Factor | Group | Absolute crown displacement (mm) | Absolute apex displacement (mm) | Equivalent elastic strain in PDL | Von Mises stress in bracket (MPa) |
---|---|---|---|---|---|
Adhesive | RMGI | Ref (100%) | Ref (100%) | Ref (100%) | Ref (100%) |
Composite resin | +0% | +0.2% | −0.4% | +0% | |
Bracket | Titanium | Ref (100%) | Ref (100%) | Ref (100%) | Ref (100%) |
Stainless steel | +10.8% | +2.8% | +3.1% | +29.4% | |
Ceramic | +18.8% | +4.2% | +30.3% | +59.3% | |
Ligature | Elastomeric | Ref (100%) | Ref (100%) | Ref (100%) | Ref (100%) |
Stainless steel | +3.0% | +0.8% | −12.9% | +3.7% | |
Wire | TMA | Ref (100%) | Ref (100%) | Ref (100%) | Ref (100%) |
Stainless steel | +150.0% | +84.2% | +126.5% | +117.9% |
PDL periodontal ligament, TMA titanium molybdenum alloy, RMGI resin-modified glass ionomer cement, Ref reference category consisting of the average across models with this material