Guerreiro, RicardoCarpinteiro, InêsProença, LuísPolido, MárioAzul, Ana2022-05-252022-05-252021Ricardo Guerreiro, Inês Carpinteiro, Luís Proença, Mário Polido & Ana Azul (2021) Influence of acid etching on internal bleaching with 16% carbamide peroxide, Annals of Medicine, 53:sup1, S48-S49, DOI: 10.1080/07853890.2021.18973511365-20600785-3890http://hdl.handle.net/10400.26/40757Abstract in proceedings of the Fourth International Congress of CiiEM: Health, Well-Being and Ageing in the 21st Century, held at Egas Moniz’ University Campus in Monte de Caparica, Almada, from 3–5 June 2019.This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.engAcid etchingDental bleachingCarbamide peroxideother10.1080/07853890.2021.1897351