Fig. 1From: Effects of aligner activation and power arm length and material on canine displacement and periodontal ligament stress: a finite element analysisDemonstration of force application. (A) Force was applied only to the mesial aspect of the canine attachment with the aligner. (B) Force was applied from the power arm to the miniscrew by means of the elastic in addition to the mesial aspect of the canine attachmentBack to article page