James C. DeFinnis of Back Mountain Dental treats adults, teens, children with advanced dental care for the entire family. James C. DeFinnis, D.M.D. can give you the smile youve always dreamed of in little as one or two visits ask about Invisalign. James C. DeFinnis, D.M.D. does family, restorative and sedation dentistry serving Wilkes-Barre, Scranton, and Dallas, Kingston, Forty Fort, Pittston & NEPA, Pa.