Dr. Kevin Nail purchased McDonald Dental at 15757 FM 529, Ste. A, Houston, in August. He has more than a decade of dental experience, including serving as a dentist in the U.S. Air Force and working in the North Houston region for seven years, officials said. Nail specializes in implants, root canals, extractions, cosmetic procedures and same-day crown services. 346-250-3575. www.thecopperfielddentist.com