Violet LED for non-vital tooth bleaching as a new approach.
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abstract
Different light sources have been used during dental bleaching procedures. More recently, a violet LED system was introduced as a promising and viable light source, which is capable to promote dental bleaching without chemical agents, although this light source could be also associated to a bleaching agent. This case report aimed to present the association of a violet LED and a bleaching agent over a discolored non-vital tooth. After anamnesis, clinical and radiographic examinations, a dental bleaching protocol was proposed as follow: 15 applications of the violet LED during 60s (Bright Max Whitening, MMOptics) with 30s interval between them. Before the last 5 applications, 35% hydrogen peroxide gel (Whiteness HP Maxx, FGM) was applied inside the pulp chamber and on enamel surface of the tooth (vestibular and palatal surfaces) and then the last 5 irradiations were performed. Three sessions were performed, with 7-days interval. Color assessment using a VITA classical scale and VITA EasyShade spectrophotometer was carried out. After dental bleaching, color changed (tooth 21) from A3.5 to B2. The protocol used in this case report showed to be satisfactory for the non-vital tooth bleaching.
de Almeida, E., Bessegato, J. F., Dos Santos, D., de Souza Rastelli, A. N., & Bagnato, V. S.
complete list of authors
de Almeida, Eran Nair Mesquita||Bessegato, João Felipe||Dos Santos, Diego Dantas Lopes||de Souza Rastelli, Alessandra Nara||Bagnato, Vanderlei Salvador
