Considerations for teeth undergoing intracoronal whitening: A literature review
DOI:
https://doi.org/10.52076/eacad-v5i3.558Keywords:
Root canal therapy; Tooth bleaching; Flexural strength; Peroxides; Tooth bleaching agents.Abstract
There is an increasing awareness among patients about the appearance of their teeth, and the management of tooth discoloration can be interdisciplinary and involve vital and non-vital teeth. The treatment of tooth discoloration involves a series of different protocols for dentists and patients in order to achieve an aesthetic result. The objective of this article is to present a review of the literature regarding dental whitening, considering the use of different intracoronal whitening agents, the most important technique, the type of substance used in the cervical barriers, tooth resistance after whitening, possible damage to the periodontium, and reinforcing its relationship with external cervical root resorption. It was concluded that changes in pH due to the use of whitening agents produce damage to the periodontium and consequent external cervical root resorption, especially in teeth with absence of root cementum in the region of the cementoenamel junction. There are several types of intracoronal bleaching agents used, including hydrogen peroxide, sodium perborate, sodium perborate and 30% hydrogen peroxide, sodium perborate plus distilled water, and 37% carbamide peroxide gel bleaching agents. Correct execution of the technique is important, as is an appropriate composition of the cervical barrier, also called an intraorifice barrier (BIO), including bioceramic cement, glass ionomer cement, composite resin, TheraBase, ProRoot MTA, and Biodentin and Ionoseal intraorifice barriers, in addition to the use of substances that increase the bond strength of adhesive restorations to the bleached dentin.
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Copyright (c) 2024 João Marcelo Ferreira de Medeiros; Alexandro Amaral; Guilherme Fernandes Lima da Silva; Henrique da Cruz Podgurski; Thais Cordeshi; Caleb Shitsuka
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