Royal Dentistry of Grayson 2594 Loganville Hwy Ste 102, Grayson, GA 30017 (678) 672-1590 Having a reliable dentist is vital for your dental health. When hunting for a new dentist, there are many factors to consider. First, ask for tips from family. You can also look at online testimonials to get a better idea of different dentists in your area.