1. [Odontologia] tratamento de canal radicular; tratamento de canal ◼ Sinônimos Inglês root canal treatment; ◼ Sigla em inglês RCT (root canal treatment) Meaning The process of treating disease or inflammation of the pulp or root canal. This involves removing the pulp and root's nerve(s) and filling the canal(s) with an appropriate material to permanently seal it. (http://www.ddpmi.com/to...)