Does anyone know how long the back molars usually take to come through? My 2.5 year old is really struggling, he’s been so miserable and waking up in the night screaming 😩 bless him, it must be really painful! One of them has cut through a little bit on one side of the gum but the rest of it still needs to cut through and now I can feel the other one coming on the other side of his mouth, help!!!