In-office bleaching with a commercial 40% hydrogen peroxide gel modified to have different pHs: Color change, surface morphology, and penetration of hydrogen peroxide into the pulp chamber.
J Esthet Restor Dent. 2022 Mar;34(2):322-327. doi: 10.1111/jerd.12453. Epub 2019 Feb 20.
J Esthet Restor Dent. 2022.
PMID: 30790402