The Final Chapter: The Scare in the Score - S12-E7
Other mistake: It is found that the bad guys used Brennan's father's pacemaker to find where the safe house is at. An FBI agent at the scene then states that they "never expected Brennan's father" to be there despite him being the reason they found the place.
The Final Chapter: The Scare in the Score - S12-E7
Audio problem: When Max is telling Bones about the pacemaker, in a few of the over the shoulder shots Max is still talking but there is no audio. (00:03:00)
Answer: Since the palatine bone is a bone that helps form the mouth it has a lot to do with speaking. The shape of it differs a lot depending on your ethnic background. I would guess that they, in the show, meant that the person's bone tells that they were Japanese and that it was "made for the purpose of speaking Japanese." That's what I'd assume anyway. I've studied molecular biology though, so I'm not an expert on bones.