I made an appointment based on the great reviews here. I just moved to Spring Valley from the NW part of town and didn't want to drive to Summerlin to see my previous dentist. When I arrived, the staff was friendly and knowledgeable. Dr. Tounian was thorough and explained all options to me about my teeth and root canal procedure. He offered a orthodontist consultation when I told him I was sick of my front, crowded teeth looking like a bunch of Mexicans crammed into a Honda Civic. I will be back to finish my dental work with these guys. Cheers!