Happy Smiles Dental – Little Seneca Parkway is your trusted full-service dental office in Clarksburg, Maryland, specializing in family dentistry, oral surgery, and cosmetic dental procedures. Conveniently located at 13710 Little Seneca Parkway, Clarksburg, MD 20871, we proudly serve residents of Little Seneca, Clarksburg, Germantown, Gaithersburg, ...