mg/codeine phosphate 30 mg (PACO) and postoperative topical application of a bioactive
desensitizer on in-office bleaching sensitivity and tooth color change. Materials and methods
A randomized, triple-blind, split-mouth clinical trial was conducted. Forty volunteers ingested
PACO (n= 20) or placebo (PLA)(n= 20). Their left/right hemiarches received topical
application of a bioactive desensitizer [Nano-P™(NP)] and prophylactic paste (PAS) …