Can all highly concentrated in-office bleaching gels be used as a single-application?

ConclusionsA single application was able to produce a bleaching efficacy. However, usually, gels with slightly acidic or alkaline pH during the application time reduces the HP diffusion into the pulp chamber.Clinical relevanceThe single-application of bleaching gels with slightly acidic or alkaline and stable pH decreased the penetration of hydrogen peroxide into the pulp chamber in in-office bleaching and maintained the bleaching efficacy. 
Source: Dental Technology Blog - Category: Dentistry Source Type: news