Swan's trick for brushing her son's teeth:
My son, The Voice, fights me about everything. He thinks its fun to, for example, 'fight-dress,' which is he tries to kick me while I'm putting on his pants. I don't know where he gets this, but it's a challenge to do the things which need to be done without having them devolve into a war of wills. Mostly, I just try to make the task / chore / event into a game. Like when I brush his teeth, which he fights me every time of course, when he closes his mouth and refuses the toothbrush, I'll brush his chubby cheeks. He's ticklish, so he starts laughing and opens his mouth, allowing me to…
You get the picture.