Light activated bleaching of discoloured non-vital tooth
Trauma and pulpal infections are part of the routine of the dental practice. Common consequences in these cases are alterations in dental color, compromising patient’s esthetics and his interaction in social environment. Bleaching aids to preserve dental structure as compared to full coverage crowns and also show immediate esthetic results. This clinical case shows a bleaching technique in devitalized teeth using bleaching agent with 35% hydrogen peroxide activated by LED light. The technique is simple to perform and also shows satisfactory results. Informed consent was taken before treatment. On the onset of treatment, the shade of the discoloured tooth was assessed under normal daylight with a Vita porcelain shade guide (Vita classic) and also, a pre-bleaching photograph was taken for the record. On the first appointment 2mm of gutta-percha is removed from the canal orifice with a heated instrument and restored with GIC up to the c...