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Graphic representation of the device developed to attach the samples to the universal testing machine presenting all brackets aligned and ready for testing and illustration of the methods of ligation tested. (A) Overall view of the apparatus; (B) Elastic ligature tied to the 4 bracket wings; (C) Steel ligature tied to all 4 bracket wings; (D) Steel ligature tied to 2 bracket wings; and (E) Ligation with Slide® elastic ligature
