Fig. (4) Graph comparing the torque expression capacities of active
and passive self-ligating brackets. According to Badawi et al. ,
active self-ligating brackets express torque more effectively and
efficiently than passive ones. Self-ligating brackets start to generate
clinically effective momentum between 15° and 31°, compared to
passive brackets that need higher torsion to generate the same momentum
(between 22.5° and 34.5°).
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