Effect of intracoronal bleaching agents on ultrastructure and mineral content of dentin

AIM The purpose of this in vitro study was to evaluate the ultrastructural changes of dentin induced after exposure to different intracoronal tooth bleaching agents. MATERIALS AND METHODS Dental discs of 1 mm thickness were prepared from coronal dentin of sixty-four human maxillary premolars. Experimental specimens were divided into four subgroups: 45… (More)