Dr. Duan is a licensed General Dentistry in MD. Graduated in 1992. Medical degree obtained from Beijing, Peking University Health Science Center in China. Currently practices at Rockville Dental Center (Rockville Dental Center), located at 77 South Washington St, Rockville, MD 20850. Dr. Duan specializes in digital X-ray system, Lumineers, Invisalign/ClearCorrect (Invisible braces), rotary endodontic system, and dental implants. . In addition to English, Dr. Duan speaks Mandarin and accepts new patients.