Effects of Photoactivation in Bleaching with Hydrogen Peroxide. Spectrophotometric Evaluation

Lo Giudice G¹, Cicciù D², Cervino G², Lizio A³, Panarello C⁴ and Cicciù M^5*

¹Professor of Conservative Dentistry, Dental School, University of Messina, Messina, Italy

²Head and Director, Department of Odontostomatology, Dental School, University of Messina, Messina, Italy

³Resident Department of Odontostomatology, Dental School, University of Messina, Messina, Italy

⁴Resident Department of Odontostomatology, Dental School, University of Messina, Messina, Italy

⁵Assistant Professor of Oral Surgery, Dental School, University of Messina, Messina, Italy