Stiles Dentistry – Meet The Doctors


Washingtonian Top Dentist2013 Best of Montgomery

Since 1986, Stiles Dentistry has upheld the mission of delivering extraordinary care and service and offering individualized attention with detailed accuracy. Drs. Dennis J. Stiles, DDS, and Marie Tigani Stiles, DDS, have been working together for over 31 years providing patients in upper Montgomery County optimal dental healthcare and wellness for a lifetime. Both doctors received their Doctor of Dental Surgery (DDS) degrees from Georgetown University School of Dentistry in Washington, DC. Drs. Stiles were listed among the "Top Dentists" by Washingtonian Magazine in 1997, 2003, 2006, 2011, 2013 , 2015 and 2017. Together they take over 100 hours of continuing education courses per year and they have both studied at the LD Pankey Institute in Florida.

Drs. Marie and Dennis Stiles believe that their love of dentistry has a lot to do with family values. Both of their fathers were dentists who instilled upon them the value of creating meaningful, lasting relationships with their patients and how having the ability to really help people be sucessful with their smiles offers a lifetime of reward. Both fathers loved dentistry and were a really positive influence on their lives.

Dr. Dennis StilesDr. Dennis Stiles, a native of Amherst, MA, has called upper Montgomery County home since 1986. Dr. Stiles is currently a member of the American Dental Association, the American Academy of Cosmetic Dentistry, the The American Academy of Dental Sleep Medicine, the Maryland Society of Sleep Medicine, the American Academy of Implant Dentistry and has received fellowship in the the American College of Dentists, the International College of Dentists and the Academy of General Dentistry. In 2017 he received  Diplomate status in the American Board of Dental Sleep Medicine (ABDSM). He also served as past president of the American Prosthodontic Society (2006) and currently is serving  the president of the APS Foundation. In 2009 Dr. Stiles was appointed to serve as a dean's faculty member at the University of Maryland School of Dentistry. In 2016 Dr. Stiles was elected to serve a three year term as a board member of the LD Pankey Institute through 2019. In his free time, Dr. Stiles enjoys photography, golf, hot yoga, fly-fishing, and skiing. In his community he has served as a board member of the Kentlands Community Foundation and served as the President of the Archdiocese of the Washington Catholic School Board in 2009. 

"I develop friendships with my patients over time. I really enjoy the conversations, spending time with them and being able to grow with them."

Dr. Marie StilesDr. Marie Tigani Stiles, a native of Bethesda, MD, has been working with patients in upper Montgomery County since 1986. She is a member of the American Dental Association and the Southern Maryland Dental Society. She is a current member of the Greater Washington Academy of Women Dentists where she served as president in 2000, and again in 2012-2014. Dr. Marie Stiles is also a member of the American Dental Society of Anesthesiology, a national organization that serves as a forum for education and research, and to promote safe and effective care through sedation dentistry. She serves on the membership committee of the ADSA. In 2017 she was elected to serve a two year term on the board of directors for the ADSA. In 2010 Dr. Marie Stiles was inducted as a Fellow in the International College of Dentists. In 2013 she was inducted into the American College of Dentists.  In 2009 Dr. Marie Stiles was appointed to serve as a Dean's faculty member at the University of Maryland School of Dentistry.When she's away from the office, Dr. Stiles enjoys volunteering within the community, as well as reading, and traveling. Drs. Dennis and Marie Stiles have three children, Elizabeth, Andrew, and JP.

"I really value the relationships I've formed with my patients, and I've learned an awful lot from them. We talk about things like parenting, colleges, travel tips, and good books to read. Yes, I really like helping people with their mouths, but what I love is that my patients let me into their lives just a little bit. I learn something different from everyone."

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