The Doctors

dr yanover 2013Dr. Lawrence Yanover, DDS

After completing my dental degree and two years of additional training at University of Toronto, I became a pediatric dentist in 1982. I was granted a PhD in 1984, and worked full time at University of Western Ontario until beginning practice in St Catharines in 1986. After rigorous further examination I was awarded a Fellowship, Royal College of Dentists Canada as well as Diplomate, American Board of Pediatric Dentistry. I have served as President, Canadian Academy of Pediatric Dentistry, Secretary Treasurer, Ontario Society of Pediatric Dentists and Chief of Dentistry at GNG site NHS. I have written and lectured extensively on pediatric dentistry and look forward to caring for your child's dental health.

Dr Lawrence Yanover graduated from University of Toronto Faculty of Dentistry in 1977. He completed his specialty training in 1982. After receiving his PhD in 1984, he continued post-doctoral research and teaching at University of Western Ontario. In 1986, he located his pediatric dental practice in St Catharines. He is both a Fellow of the Royal College of Dentists of Canada and a Diplomate of the American Board of Pediatric Dentistry.


  • University of Toronto Faculty of Dentistry: DDS (1977), Pediatric Dentist (1892), PhD (1984)
  • Forsyth Institute, Cambridge MA, USA: Residency program (1977-1978)
  • University of Western Ontario: MRC Centennial Research Fellowship (1984-1986)

Hospital Medical Staff

  • Niagara Health System
  • Hamilton Health Sciences: MUMC Childrens Hospital and St Joseph's Healthcare site


  • Ontario: Ontario Dental Assoc'n, Ontario Society of Pediatric Dentists
  • Canada: Canadian Dental Assoc'n, Canadian Academy of Pediatric Dentistry, RCDC (Fellow)
  • USA: Amer Academy of Pediatric Dentistry, Amer Board of Pediatric Dentists (Diplomate)

Dr. Erin Goertzen, DDS - Practice limited to Children’s Dentistry


After graduating from Queen’s University with a Bachelor of Science, Honours degree in Biology, Dr. Goertzen obtained her Master of Science degree in Anatomy and Cell Biology from the University of Western Ontario. She then completed her Doctor of Dental Surgery degree at the University of Toronto, followed by a General Practice Residency in Pediatric Dentistry at The Hospital for Sick Children in Toronto. Dr. Goertzen is a resident in the Graduate Pediatric Dentistry program at the University of Toronto, where she is currently pursuing specialty training in Pediatric Dentistry.

Through her training at Sick Kids Hospital and with her ongoing specialty program training, Dr. Goertzen has had the opportunity to provide dental treatment to medically-compromised children with special care needs, and continues to gain experience in pediatric dental trauma, behaviour management, and pediatric dental care needs for all ages.

While Dr. Goertzen has always been drawn to the beauty of the Niagara region, it is the friendliness and warmth of the people that makes it feel like home. Dr. Goertzen and her husband Cameron, who was born and raised in Niagara-on-the-Lake and is also currently pursuing specialty dental training in Dental Anesthesia at University of Toronto, are excited to build a joint dental future in the Niagara region.

Dr. Goertzen is committed to providing thoughtful and personalized dental care to the pediatric patients of the Niagara region. She is passionate about improving access to dental care for her patients by working with the Healthy Smiles Ontario program.

dr yanover 2013

Dr. Marc Bongard - Dental Anesthesiologist, DMD, H.Bsc

Dr. Marc Bongard received his DMD degree from Boston University and then went on to do a post-graduate residency program in dental anesthesiology at NYU-Lutheran Hospital, a level 1 trauma center in Brooklyn, New York. He is a recognized specialist in Dental Anesthesiology by the Royal College of Dental Surgeons of Ontario and a board-certified diplomate of the American Board of Dental Anesthesiology. Dr. Bongard is an associate clinical professor at the University of Toronto Faculty of Dentistry in the Anesthesia Department. His training included extensive experience providing anesthesia for pediatric, special needs, and medically compromised patients. He has provided general anesthesia and moderate sedation for thousands of patients undergoing restorative and dental implant procedures.