The influence of the renewal or the single application of the peroxide gel on the efficacy and tooth sensitivity outcomes of in-office bleaching-A systematic review and meta-analysis.
Matheus KuryRodrigo Barros Esteves LinsBruna de Almeida ResendeMayara Zaghi Dal PicoloCarolina Bosso AndreVanessa Cavalli GobboPublished in: Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.] (2021)
The renewal of bleaching gel during the in-office appointment may not be necessary. However, there is at least a low certainty of evidence. Because of this, further randomized clinical trials with appropriate methodology on this topic are encouraged.