"Creating Beautiful Smiles" is what we do best! Dr. Keith A. Gilbert is a consummate dentist based in North Potomac, MD. We specialize in General and Cosmetic Dentistry and offer a wide range of services to improve the look and health of your smile. Not everyone is likely to have a perfect smile, but that doesn’t mean you’re helpless to do anything about it. A person with a nice smile tends to be seen as more confident, approachable and successful.