Welcome to you and Wrigley! That's a very cute name! For their teeth I brush them every Sunday. It isn't easy as Hallie hates it but Simon loves to have his teeth brushed (I think he likes the toothpaste). I use one of the fingertip brushes. I also give them flossies to chew on for their teeth.
Patience with potty training
There is a ton of information here for potty training tips!