Complex sentence: Due to this a whole dental tourism service industry has grown in Mosonmagyaróvár, not only including dentists, clinics and guided tour providers, but also the local hospitality industry, which lives off the dental tourist trade.
Split into simpler sentences: Due to this a whole dental tourism has grown in Mosonmagyaróvár. In addition to dentists, clinics and guided tour providers, the local hospitality industry as a whole lives off the dental tourist trade.