This research reminded me of this scene from the film Uncle Buck https://www.youtube.com/watch?v=1CrPAl1aDzM https://www.youtube.com/watch?v=1CrPAl1aDzM Buck:

This research reminded me of this scene from the film Uncle Buck https://www.youtube.com/watch?v=1CrPAl1aDzM https://www.youtube.com/watch?v=1CrPAl1aDzM Buck: Did you brush your teeth? Miles: Yeah. You can even feel my toothbrush. Buck: You know, I have a friend who works at the crime lab at the police station. I could give him your toothbrush and he could run a test on it... to see if you actually brushed your teeth... or just ran your toothbrush under the faucet. [Buck leaves, as Miles gawks] Maizy: If that's true, we're gonna REALLY have to start brushing our teeth.