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Dennis Stiles

General Dentists


Gaithersburg 301-947-6900 The Kentlands 333 Main Street Gaithersburg, MD 20878 Directions →


Monday - Thursday (8:30 - 4:30)

Insurance Participation

Stiles Dentistry files all insurance claims electronically for patients and is an unrestricted provider.

Additional Information


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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 25 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. Together they take over 100 hours of continuing education courses per year and they have both studied at the LD Pankey Institute in Florida. At present, both doctors have been appointed to the Dean's Faculty at University of Maryland School of Dentistry, where they enjoy teaching and interacting with dental students on a weekly basis.

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 successful with their smiles offers a lifetime of reward. Both fathers loved dentistry and were positive influences on their lives.

The goal at Stiles Dentistry is to provide each patient with the highest quality of dental care in a gentle, caring and pleasant environment. The practice mission is to help each person keep all of their teeth, all of their life, and to enable each person to have a mouth that is comfortable, functional, healthy, esthetically pleasing, and is easily maintained through regular preventative visits and good home care.

Recognizing that some patients may feel anxious or apprehensive about receiving dental care, the doctors and team at Stiles Dentistry work hard to make sure that each person has a comfortable, positive experience. That's why Stiles Dentistry is pleased to offer sedation dentistry for those patients needing a little extra comfort before receiving treatment. Feeling anxious about receiving dental care should never prevent anyone from having the beautiful, healthy smile they deserve.

Please view our Practice Profile Video for more information.

Special Interests:

Sedation dentistry, sleep apnea, TMJ care, implants, preventative, cosmetic, and restorative care.


Georgetown University School of Dentistry

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Posted at 11:43 AM/ET, 04/09/2015
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