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11. Evaluation of esthetic brackets' resistance to torsional forces from the archwire. Nishio C, Mendes Ade M, Almeida MA, Tanaka E, Tanne K, Elias CN. Am J Orthod Dentofacial Orthop; 2009 Jan; 135(1):42-8. PubMed ID: 19121499 [Abstract] [Full Text] [Related]
12. Comparative evaluation of frictional forces in active and passive self-ligating brackets with various archwire alloys. Krishnan M, Kalathil S, Abraham KM. Am J Orthod Dentofacial Orthop; 2009 Nov; 136(5):675-82. PubMed ID: 19892284 [Abstract] [Full Text] [Related]