Meet the Smile Again NJ Team
Our Doctors
Striving to provide evidence-based, highest-quality dentistry in a caring and empathetic environment.
Dr. Daniel S. Greenbaum, DDS, MS, FACP
Board-Certified ProsthodontistDr. Daniel Greenbaum is a Board-Certified Prosthodontist with Advanced Fellowship Training in Implantology and Periodontology. Dr. Greenbaum is originally from Rockland County, NY and now lives in Bergen County, NJ. He attended CUNY Queens College for his undergraduate studies, graduating in 2003 summa cum laude. He then attended Columbia University where he received his Doctor of Dental Surgery (DDS) degree in 2007. A General Practice Residency at Montefiore Medical Center followed in 2008, and then specialty training in Prosthodontics at University of Maryland with a certificate in Prosthodontics and a Master of Science degree awarded in 2011. An additional Implantology and Periodontology Fellowship followed at the University of Maryland with a certificate awarded in 2012.
Since 2012, Dr. Greenbaum has been actively treating patients in private practice, teaching dentistry to students and colleagues at dental schools and study clubs, and he is active in multiple dental education organizations.
Dr. David Zelig, DDS
Board-Certified Oral & Maxillofacial SurgeonDr. David Zelig is a Board-Certified Oral and Maxillofacial Surgeon. Dr. Zelig has a Bachelor’s Degree from the University of Memphis and earned his Doctor of Dental Surgery degree from the University of Tennessee College of Dentistry. He then completed his residency in Oral and Maxillofacial Surgery at The Long Island Jewish Medical Center. He maintained a private practice in Memphis, TN, active in craniofacial and trauma surgery, as well as an attending in oral surgery resident education.
After returning to the Northeast, Dr. Zelig has been active in facial trauma surgery, and major implant surgery. He is a pioneer in the dental implant field, and is well known for his surgical prowess in treatment of complex bone-loss cases, those cases previously believed to be impossible. In addition to the placement of conventional dental implants, Dr. Zelig is proficient in and is a leader and teacher in the field of Zygomatic and Pterygoid implants. Thanks to Dr. Zelig’s skills, everyone who comes to Smile Again Dental Implant Center is now a candidate for dental implants and permanent teeth; even if told in the past that they do not have enough bone.
Dr. Zelig is a Fellow of the American Association of Oral and Maxillofacial Surgeons, the American Dental Association, and the New York State Dental Association. In his free time, he enjoys time with family, weightlifting, cycling, and guitar.
Dr. Roy Berenholtz, MD
Double-Board Certified Anesthesiology & Pediatric Anesthesia · Anesthesiology DirectorIf you are preparing for full-arch dental implant treatment, you deserve an experience that feels safe, comfortable, and carefully managed every step of the way. As the lead anesthesiologist at Smile Again Dental Implant Center, my goal is to help you feel relaxed and confident throughout your procedure and recovery.
I am double board-certified in both adult and pediatric anesthesiology, with extensive experience providing anesthesia and sedation for complex dental and surgical procedures. Whether you experience dental anxiety, have special medical needs, or are undergoing a full mouth restoration, I focus on delivering personalized care designed to keep you comfortable and at ease.
After serving in the Israeli Defense Forces, I earned my medical degree and completed my residency in Anesthesiology at the Albert Einstein College of Medicine. I then completed advanced fellowship training in Pediatric Anesthesiology at UPMC Children’s Hospital of Pittsburgh, one of the nation’s leading pediatric anesthesia programs.
I am certified by the American Board of Anesthesiology and am a member of the American Society of Anesthesiologists, the New York State Society of Anesthesiologists, and Moreano International Medical Missions.
Over the years, I have cared for countless patients undergoing advanced dental procedures, including full arch dental implant surgery. I understand that these treatments can feel overwhelming, which is why I prioritize patient safety, clear communication, and a calm, supportive experience for both patients and their families.
Beyond my clinical work, I am passionate about humanitarian medicine and have participated in medical missions around the world, including volunteer work in Haiti caring for earthquake victims and service missions in Ecuador.
Let us help you smile again
Call (973) 808-9908 or request your consultation online.
