OUR CLINIC IS OPEN
We have implemented several measures to allow us to safely provide your treatment including:
The safety of our patients and staff remains our top priority
Thornhill Family Dentistry’s common goal is a safe and efficient appointment.
In our effort to create a safe environment, we ask for your cooperation:
We appreciate your patience and cooperation!
Please download a PDF version of the Covid-19 Patient Acknowledgement and Screening Form
(905) 731-8220
Call Today to Book Your Appointment
WELCOME TO THORNHILL FAMILY DENTISTRY
Visit the dental office(Thornhill Family Dentisty) of Dr. Terry Ciomyk, Dr. David McDowell and Dr. Susie Ang – your Thornill dentists and discover a warm and caring team of professionals that makes you and your family feel instantly welcome and comfortable.
Our new state-of-the-art dental health centre facilitates the delivery of efficient, personalized care for children, teens and adults. Drs. Ciomyk, McDowell and Ang take the time to understand your values and goals for lifetime dental health and customize your care focused on beautiful dental aesthetics and effective dental function. Their patient, preventive approach with children and motivational style with teens supports parents’ wishes for the development of natural, attractive smiles and facial profiles.
At Thornhill Family Dentistry, we are honored to serve the families of our community. We invite you to call us at (905) 731-8220 so that we may welcome you to our practice.

QUALITY SERVICES

Preventive Dentistry
Research shows that a healthy body starts with a healthy smile. Your teeth can last a lifetime with proper brushing and flossing along with regular dental check-ups.

Restorative Dentistry
When a tooth is damaged, decayed or lost, it is vital that treatment be performed as soon as possible in order to prevent additional damage and/or pain.

Cosmetic Dentistry
Our ability to smile is a powerful non-verbal communication skill. A beautiful smile exerts a positive influence on our personal and professional relationships.FIND OUT MORE

Implant Therapy
A dental implant is a titanium post that replaces the natural root of a tooth and to which a crown, bridge or denture can be securely attached.
Preventive Dentistry
Restorative Dentistry
Cosmetic Dentistry
Implant Dentistry

Microscope Dentistry
The microscope provides a precision in dental care treatment that is exceptional.

Digital X-Rays
Your Thornhill dentists, Dr. Terry Ciomyk, Dr. David McDowell and Dr. Susie Ang and their team of dental professionals offer digital x-rays to provide a faster, safer and more accurate way to closely examine your teeth.

TMJ Treatments
TMJ disorders can be caused by various kinds of trauma such as motor vehicle accidents, a blow to the head, sports injuries, falls, missing teeth, crooked teeth, an improper bite, old or ill fitting dentures,

Smile Gallery
We are proud to showcase our high quality professional workmanship in our smile gallery
Microscope Dentistry
Digital X-Rays
TMJ Treatments
Smile Gallery
QUALITY SERVICES AT YOUR THORNHILL DENTISTS
Preventative Dentistry
Research shows that a healthy body starts with a healthy smile. Your teeth can last a lifetime with proper brushing and flossing along with regular dental check-ups.
Read More
Restorative Dentistry
Read More
Cosmetic Dentistry
Our ability to smile is a powerful non-verbal communication skill. A beautiful smile exerts a positive influence on our personal and professional relationships.
Read More
Implant Dentistry
A dental implant is a titanium post that replaces the natural root of a tooth and to which a crown, bridge or denture can be securely attached.
Read More
Microscope Dentistry
The microscope provides a precision in dental care treatment that is exceptional.
Read More
Digital X-Rays
Read More
TMJ Treatments
TMJ disorders can be caused by various kinds of trauma such as motor vehicle accidents, a blow to the head, sports injuries, falls, missing teeth, crooked teeth, an improper bite, old or ill fitting dentures.
Read More
Smile Gallery
We are proud to showcase our high quality professional workmanship in our smile gallery
Read More
ABOUT US
Dr. Terry Ciomyk, Dr. David McDowell and Dr. Susie Ang and their team of dental professionals believe that life is better with great teeth.
They strive to provide the highest caliber dental care by focusing on the individual, building trusting, long-term relationships, preventing dental problems from developing, and where indicated, restoring or enhancing the aesthetics and function of the smile.

Dr. Terry Ciomyk

Dr. David McDowell

Dr. Susie Ang

REVIEWS
CONTACT US

CONTACT US
(905) 731-8220
905) 731-8249
info@thornhillfamilydentistry.com
Mailing Address
7-7787 Yonge Street
Thornhill, ON,
L3T 7L2
CONTACT US
(905) 731-8220
905) 731-8249
info@thornhillfamilydentistry.com
Mailing Address
7-7787 Yonge Street
Thornhill, ON
L3T 7L2
HOURS OF OPERATION
Monday: 8:00 am - 5:00 pm
Tuesday: 8:00 am - 5:00 pm
Wednesday: 8:00 am - 6:00 pm
Thursday: 8:00 am - 5:00 pm
Friday: 8:00 am - 3:00 pm
Saturday: 8:00 am - 2:00 pm
Sunday: Closed
QUICK LINKS
WHAT SETS US APART
- Same-day emergency care
- Wheelchair Accessible
- We accept most insurance plans
- Electronic Insurance Billing
- Patient Financing Available
- Flexible payment options
- Most insurance plans accepted
- Evening & weekend appointments
- Free Parking Available