Memberships: American Dental Association, NJ Dental Association Board Member, Tri-County Dental Association President, Academy of General Dentistry, Sussex and Sparta Chamber of Commerce, Patriots Path Council  Boy Scouts of America Board Member, Karen Ann Quinlan Hospice Board Member.

Grew up in Union, NJ and is a graduate of Tulane University and received his Doctorate of Dentistry from the University of Medicine & Dentistry of NJ. He received his Fellowship and Mastership in the Academy of General Dentistry. 

Dr. Tirpack is a member of the American Dental Association. He is a member and serves on the board of New Jersey Dental Association. His other professional memberships are with the Academy of General Dentistry and American Association for Functioning Orthodontics. He is proud to be a member of the Sussex County Chamber of Commerce, the New Jersey Business & Industry Association as well as being an Eagle Scout who serves on the board of the Patriots Path Council Boy Scouts of America.



Dr. Seth Perlmutter is a passionate and caring general dentist that always takes the time to inform and reassure his patients in order to create a warm and comfortable environment. Dr. Perlmutter graduated with a bachelor's degree from Yeshiva University, in New York City, and while he was there played outfield for their division III baseball team. He then went on to the University of Medicine and Dentistry of New Jersey, in Newark, for dental school, and earned a DMD. Upon graduation, Dr. Perlmutter completed the General Practice Residency program at Hackensack University Medical Center in Hackensack, NJ. While at Hackensack, he gained advanced knowledge and clinical experience in cosmetic and restorative dentistry, oral surgery, endodontics, and implant dentistry. He also enjoys working with children and is excellent at making them feel relaxed in the dental chair. Dr. Perlmutter is a member of the American Dental Association, New Jersey Dental Association, and the TriCounty Dental Society. He has taken advanced training courses in Laser Dental Therapy and is passionate about utilizing Laser Therapy in order to provide painless dental care. Dr. Perlmutter lives in Bergen County with his wife Elana and their Golden Retriever Sammy.



Dr. Kathleen Dunn grew up in Yonkers, NY. She received her BS in Biology from The George Washington University in Washington, DC where she graduated cum laude.  She traded in her New York plates for New Jersey when she attended dental school at The University of Medicine and Dentistry of New Jersey. While in dental school she was inducted into Omicron Kappa Upsilon, the national dental honor society as well as Gamma Pi Delta, the Prosthodontic honor society. Upon graduation she completed a one year General Practice Residency at Morristown Medical Center. Dr. Dunn is a member of the New Jersey Dental Association, Academy of General Dentistry and the Tri-County Dental Society. She currently lives in Morristown, NJ with her fiancé Rob and her golden retriever Finn.