A lot of AZ snowbirds cross the border for dental work.
Right on the border there's a few dentists that do wonderful work, with ultra-modern equipment, in class A offices, and charge hundreds of dollars instead of thousands. It's a thing - you should research it.
Vicente Guerrero, a Mexican border town, is known as "Molar City" because of its 350 dentists and the thousands of Americans who go for cheap dentistry.