Meet the Staff:

Dr. Richard Ehrlich, DDS

Dr. Ehrlich graduated from Dentistry at the University of Toronto in 1986. He built the Elm Tree Dental Clinic in 1997, where he maintains his private practice. Dr. Ehrlich was awarded the Environmentalist of the Year award for Caledon in 1998, and has built the clinic to the highest environmental and technical standards.

He was a part time Associate Doctor at the University of Toronto, Faculty of Dentistry, where he lectured on High Tech Preventive Dentistry. He has taken numerous continuing education courses in Microdentistry, Aesthetic Dentistry, Orthodontics, Endodontics, Implants, and many other topics. He is an active participant in several Internet Dental conferences, and has published articles and given courses on technology in dentistry. He has taught Minimally Invasive Microdentistry both in Canada and on volunteer missions in Belize.

Susanne Ball, RDH


Susanne is a registered dental hygienist. Graduated from Seneca College, receiving her Dental Assisting Diploma in 1981 and her Dental Hygiene licence in 1986. Susanne has worked for Dr. Ehrlich since 1989. She also demonstrates preventive dentistry to local community groups such as Girl Guides, Nursery Schools and Grade Schools since 1994.

Christina H, PDA

Christina is a Certified Preventive Dental Assistant and Treatment Coordinator, who graduated from the CDA program at Georgian College in 1990, and from the PDA Program at University of Western Ontario in 1993. Chris has 2 sons, and is our office manager.

Dr Hardy Limeback

We are very lucky to have Dr Limeback to see our patients when Dr. Ehrlich is away. Dr. Hardy Limeback is the former head of Preventive Dentistry at the Faculty of Dentistry, University of Toronto, a position he served for 18 years. His career started with a BSc and PhD in Biochemistry, followed by dental school, graduating in 1983. An author and co-author of over 150 papers, book chapters and abstracts, Dr. Limeback served as president of the Canadian Association for Dental Research, a member of the Canadian Dental Association Products Recognition Committee and a member of the US National Academy of Sciences Subcommittee on Fluoride in Drinking Water. He published a popular textbook in preventive dentistry (Comprehensive Preventive Dentistry : Wiley-Blackwell, June 2012). His clinical experience included working part-time for 33 years as an associate general dentist in Peel. After selling his practice in Mississauga he retired to a small town north of Parry Sound.

Christina Z, CDA 2

Christina is a Certified Preventive Dental Assistant 2 and Treatment Coordinator. She graduated from CDI College in 2005, and joined our team in Summer 07.

2015: Christina’s back from Maternity leave, with 2 lovely twin boys!

Beverley CDA 2

Beverley is a certified Preventive Dental Assistant. She joined our team in 2013, and we are glad to welcome her.
Beverley received her CDA 2 from Southwestern Medix in 2003.
She loves camping with her boys. Her dog Lady sometimes comes to work too, helping to greet patients.

Amanda RDH

Amanda is our new part-time hygienist. She graduated from Canadore College in 2008 receiving the Governor General’s Award.
Amanda currently lives in Orangeville, enjoys camping, traveling and spending time with her friends and family

Jasmine CDA2

Jasmine graduated from Georgian College Barrie as a certified level II Dental Assistant, and has been a member of the ODAA since 2013. She joined our team in 2018.
She enjoys reading, nature ,traveling and spending time with her family and friends. In her spare time Jasmine volunteers at Head Waters Health Care Centre and at schools activities as opportunities to give back to the community. 


Logan is our newest office dog. He’s a rescue from up North, and his big brother has been teaching him the job.


Here’s Brody, the senior office dog. He’s a rescued lab cross, and takes his job greeting and relaxing patients seriously.

Friends and Former Staff:

Tobler and Mocha, Our Chocolate Labradors

Tobler and Mocha were the Office Greetings Protocol Managers, aka. Office Mascots. Mocha took over after Tobler passed away but we lost her in 2014.
Brody will be the Greeting Dog now.

Tess, PDA


Tess retired in 2012, and finally hopes to have time to do even more gardening and volunteer work.  If you’re lucky, she might be filling in on the day of your appointment.

Darlene, CDA

Darlene is a Certified Dental Assistant, and graduated from Etobicoke Collegiate in 1984. She just built a new home in Palgave in 2004 and is enjoying the country living. Darlene is also a certified aesthetician.

Florence CDA2

Florence joined us while Christina was on maternity leave.
Florence is a CDA2 from George Brown, and has 2 lovely kids.

Mocha, 2003-2014

Mocha was our second Office Dog. She took over from Tobler, and passed away in Oct 2014 after a long career of running, biking and skiing to work and making patients feel comfortable.

Tobler 1996-2011

Tobler was our original and much-loved Elm Tree Clinic dog.
She lived a very long and rich life, and helped a generation of kids and quite a few adults feel more comfortable in the dental office.