Martelli K, Freitas KMS, Negreiros PO, Janson G, Cançado RH, Valarelli FP, de Freitas MR. Comparison of torque expression in esthetic brackets. J Clin Exp Dent. 2019;11(9):e783-9.

 

doi:10.4317/jced.56102

http://dx.doi.org/10.4317/jced.56102

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