Violet LED for non-vital tooth bleaching as a new approach.

Autor: de Almeida ENM; Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP 14801-903, Brazil. Electronic address: eran.almeida@unesp.br., Bessegato JF; Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP 14801-903, Brazil. Electronic address: jf.besegato@unesp.br., Dos Santos DDL; Department of Dental Materials and Prosthodontics, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP 14801-903, Brazil. Electronic address: diego.dantas@unesp.br., de Souza Rastelli AN; Department of Restorative Dentistry, School of Dentistry, Araraquara, São Paulo State University - UNESP, Araraquara, SP 14801-903, Brazil. Electronic address: alessandra.nara-souza-rastelli@unesp.br., Bagnato VS; Department of Materials Science and Physics, Physics Institute of São Carlos-IFSC, University of São Paulo - USP, São Carlos, SP 13566-590, Brazil. Electronic address: vander@if.sc.usp.br.
Jazyk: angličtina
Zdroj: Photodiagnosis and photodynamic therapy [Photodiagnosis Photodyn Ther] 2019 Dec; Vol. 28, pp. 234-237. Date of Electronic Publication: 2019 Aug 21.
DOI: 10.1016/j.pdpdt.2019.08.024
Abstrakt: 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 60 s (Bright Max Whitening, MMOptics) with 30 s 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.
(Copyright © 2019. Published by Elsevier B.V.)
Databáze: MEDLINE
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