Influence of light irradiation for in-office tooth whitening: A randomized clinical study

Akimasa Tsujimoto, carlos a. Jurado, mohammed e. Sayed, nicholas g. Fischer, toshiki Takamizawa, mark a. Latta, masashi Miyazaki, frankliin Garcia-Godoy

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Purpose: To evaluate the influence of light irradiation on the clinical efficiency of an in-office whitening agent. Methods: The in-office whitening agent (Opalescence Boost 35%) was used in this study. Two whitening regimens were evaluated on maxillary anterior teeth: (1) with light irradiation; and (2) without light irradiation. The AE∗, changes of L∗, a∗, b∗, and the best shade match on the central incisor before, immediately after, and 6 months after whitening procedures were evaluated using a dental spectrophotometer. Results: The AE and shade had no significant differences with or without light irradiation. In addition, the AE, changes of L∗, a∗, b∗, and shade did not change over 6 months after bleaching at a level detectable to the naked eye. The results suggested that the in-office whitening agent using 35% hydrogen peroxide without photocatalysts can improve tooth color with or without light irradiation for 6 months after whitening. {Am J Dent 2021;34:201-204).

Original languageEnglish (US)
Pages (from-to)201-204
Number of pages4
JournalAmerican journal of dentistry
Volume34
Issue number4
StatePublished - Aug 1 2021

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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