Goutam M, Iska D, Singh M, Chitumalla R, Balasubramanian SC.
In vitro Assessment of Influence of Various Bleaching Protocols on the Strength of Ceramic Orthodontic Brackets bonded to Bleached Tooth Surface: A Comparative Study. 
J Contemp Dent Pract
2017;
18
(12):1181-1184.