The effects of third-order torque and self - Saint Louis University

LIST OF FIGURES
Figure 3-1: Four cylinders mounted in aluminum base
plate of the friction testing device......84
Figure 3-2: Bracket-slot positioning template.........84
Figure 3-3: Control of the third-order position of the
second premolar bracket-slot..............85
Figure 3-4: SLBUCCAL tube.............................85
Figure 3-5: Damon 3MX bracket.........................85
Figure 3-6: SmartClip bracket.........................86
Figure 3-7: In-Ovation R bracket......................86
Figure 3-8: Time2 bracket.............................86
Figure 3-9: Victory bracket...........................87
Figure 3-10: Friction testing setup mounted to the
Instron Universal Testing Machine.........87
Figure 3-11: Plots of mean kinetic frictional force
within the dental segment vs. torque angle
at the second premolar from five sets of
crown-attachments.........................88
Figure 3-12: Cross-section diagrams of a 0.019- x 0.025inch
wire. The buccolingual dimension of
the wire when rotated 10 degrees (line BD)
is calculated by multiplying cosΦ2 by the
hypotenuse AB.............................89
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