LO haaaates it when we try and brush his teeth. He clenches his mouth closed and turns his face. How do we get a 1 year old to let us into his mouth?! When we first started 2 or 3 months ago, we would hold our own toothbrush to our mouths as an example, and he would let us brush for a few seconds. Then after a few weeks, the struggle began. Did anything work for you?