Dental Care price gaps between Tucson and Sonoran, MX markets

I think it would be of great interest to research the price discrepancies of such dental care in the U.S. versus Sonora, Mexico market.  This research would focus on the service prices in the three distinct regions of Tucson, Nogales and Hermosillo.  The further distance and perceived unknown of interior Mexico may provide a barrier for many in Tucson to attempt dental care services. I am interested in collecting primary data of pricing for various dental services in each of these markets, and analyzing the differences/similarities of the summary data.   I would also have an interest in creating a survey, collecting the response data and doing an analysis of local U.S. views on having dental work done in U.S vs. Sonora.  Also, exploring what price points might be attractive enough to have a patient make a trip to either Nogales or Hermosillo.  I would also attempt to frame the survey questions with certain wording similar to how the health care advertising industry frames its argume