Dr. Marlen Martirossian

Dr. Martirossian is a dentist committed to continually improving his ability to change his patients’ lives through dentistry. This means that he is continually learning about new and better approaches to dentistry and honing his abilities in his practice.

He was the lead dental advisor and the cosmetic treatment doctor for the Mother/Daughter Makeover Challenge sponsored by the Bergen Health and Life Magazine. He has been selected as a top dentist by the Consumers’ Research Council of America for many years.

Dr. Martirossian received his Doctor of Dental Science (DDS) from New York University. He performed his residency at Lutheran Medical Center in Brooklyn, NY.

However, this was only the beginning of Dr. Martirossian’s education as a dentist. He completed a 2-year implant course at New York University College of Dentistry.

Dr. Martirossian has also been studying at the Las Vegas Institute (LVI). LVI is the premier school for advanced cosmetic and neuromuscular dentistry. He has studied the use of cosmetic dentistry to correct complex cases and achieve outstanding results. He has also studied the treatment of temporomandibular joint disorder (TMJ) using neuromuscular dentistry. He has also studied the treatment of sleep apnea using oral appliances. Most recently, Dr. Martirossian has been studying implant dentistry at gIDE.

Dr. Martirossian belongs to some of the most important dental organizations where he associates closely with some of the world’s best dentists, who hold him to the highest standards of training and practice, including:

  • The American Academy of Cosmetic Dentistry
  • The American Academy of Craniofacial Pain
  • The American Academy of Sleep Dentistry
  • International Association of Physiologic Aesthetics

When he’s not practicing or studying as a dentist, Dr. Martirossian enjoys spending time with his family, including his wife Lia and their three children. He also enjoys his hobbies, such as travel, skiing, and tennis.

If you would like to learn more about Dr. Martirossian, please call (201) 343-4044 or email for an appointment at River Edge Dental.

Dr. Joelle Hirschfeld

Dr. Hirschfeld was raised in Randolph, NJ. She attended The Pennsylvania State University where she graduated with honors and a Bachelor of Science degree in Neuroscience. She continued on to Tufts University School of Dental Medicine where she earned her Doctorate of Dental Medicine. While at Tufts, she served as a tutor and TA for many courses, traveled to the Dominican Republic for a dental service trip, and started the Tufts Chapter of Children’s Miracle Network Dance Marathon. Dr. Hirschfeld also received awards in operative dentistry and special needs dentistry.

Following dental school, Dr. Hirschfeld completed a General Practice Residency at Morristown Medical Center in Morristown, NJ. During her very busy hospital-based residency program, she treated hundreds of patients for their general dentistry needs as well as dental implants, oral surgical procedures, pediatric dentistry, root canals, esthetic procedures, and oral pathology needs. She had extensive training in management and treatment of patients with severe dental and facial trauma in the emergency room as well as clearance for medical and surgical procedures. She also spent a lot of time in the operating room treating patients with special needs as well as facial trauma surgeries. Dr. Hirschfeld loves to learn and is committed to continue advancing her training through continued education each year in order to provide her patients with the best possible care.

Dr. Hirschfeld is an active member of the American Dental Association, American Academy of Cosmetic Dentistry, Academy of General Dentistry, and New Jersey Dental Association. She also plans to join the staff at Morristown Medical Center.

In her free time, Dr. Hirschfeld enjoys working out, checking out the best places to eat, snowboarding, and spending time with her husband, friends, and family. Dr. Hirschfeld loves what she does and looks forward to taking care of your dental and overall health!

Dr. Serrano

Dr. SerranoDr. Serrano graduated from Columbia University College of Dental Medicine in 2016. He then went on to further his education in dentistry by completing a 1-year Advanced Education in General Dentistry residency in Colorado. He spent the following 4 years serving as a dentist in the United States Army, where he practiced until early 2021. His passion for dentistry stems from his own experience where he received veneers while in high school to correct his smile, which forever changed his life. He is very passionate about the care that he provides for his patients as he fondly recalls the impact that it had on his life. He now lives in Paramus, NJ (which is where he went to high school) with his wife and Australian shepherd dog. Together, he and his wife have traveled the world, which is his favorite hobby. In his spare time, he enjoys playing jazz on the alto saxophone and watching Netflix!

Which Is the Best Dentist for You?

If you would like to meet one of our dentists to learn whether they are the right dentist for you, please call (201) 343-4044 or contact us today for an appointment for River Edge Dental.