Oro Dental Wins Big Oro Dental Medicine won the Micro Business of the Year award at the The Northern Pima Chamber of Commerce 2007 Pinnacle Award Event held at the Hilton El Conquistador in Oro Valley, Arizona on April 3rd, 2007. The Pinnacle Award honors outstanding members of the Northern Pima Chamber of Commerce by acknowledging those businesses who make a tremendous difference in their business, their community and their families.