Our Services General Dentistry Dr. Marie Devore has been practicing dentistry in Sullivan County for 30+ years.Well-regarded on both sides of the Delaware River in New York and Pennsylvania. Serving both youth and adult patients.Routine Examinations & XraysCleaningsCosmetic Dentistry CrownsDenturesRemovable ProstheticsRestorative Implants Insurance & Patient Info >> I look forward to helping you achieve and maintain your oral health.— Marie K. Devore, DMD