Dentistry on John, Thornhill dentist
Dentistry on John is a general dental practice in Thornhill, open Monday and Tuesday and Thursday to Saturday, with a 5.0★ rating from 123 Google reviews.
Thornhill, ONUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 374 John St., Thornhill, ON L3T 5W6Get directions |
|---|---|
| Phone | (905) 881-5646 |
| Website | dentistryonjohn.ca |
Opening hours
| Day | Hours |
|---|---|
| Monday | 10 AM – 6 PM |
| Tuesday | 10 AM – 6 PM |
| Wednesday | Closed |
| Thursday | 10 AM – 6 PM |
| Friday | 10 AM – 6 PM |
| Saturday | 10 AM – 6 PM |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays
- Open Sundays — no
Services
Each offered service links to the ranked list for Thornhill.
| Service | Offered |
|---|---|
| General Dentistry | Yes |
| Teeth Cleaning | Yes |
| Emergency Care | Not listed |
| Root Canal | Not listed |
| Tooth Extraction | Not listed |
| Wisdom Teeth Removal | Not listed |
| Dental Implants | Not listed |
| Invisalign | Not listed |
| Braces | Not listed |
| Dental Crowns | Not listed |
| Dentures | Not listed |
| Veneers | Not listed |
| Teeth Whitening | Not listed |
| Dental Bonding | Not listed |
| Cosmetic Fillings | Not listed |
| Cosmetic Dentistry | Not listed |
| Full Restoration | Not listed |
Google reviews
5.0★from 123 Google reviews
About 32 of them posted in the last 12 months (estimated from the newest reviews).
Compare nearby Thornhill dentists
| Clinic | Rank | DR Score | Google rating | Evenings | Saturday | Sunday | Distance |
|---|---|---|---|---|---|---|---|
| Dentistry on John (this clinic) | #35 | 62 | 5.0★ (123) | No | Yes | No | |
| Signature Denture Clinic | #89 | 48 | 4.3★ (6) | No | No | No | 0.6 km |
| Dentistry on Green Lane | #10 | 69 | 4.9★ (733) | Yes | Yes | No | 0.7 km |
| Halberstadt J Dr | #44 | 60 | 3.7★ (3) | No | No | No | 1.0 km |
Questions about Dentistry on John
What are Dentistry on John's hours?
Dentistry on John is open Monday and Tuesday and Thursday to Saturday. On Saturdays it is open 10 AM to 6 PM, and closed on Sundays. Weekday hours start at 10 AM on Monday. These hours come from the clinic's business listing as of October 2026; holiday hours may differ.
Where is Dentistry on John?
Dentistry on John is at 374 John St., Thornhill, ON L3T 5W6. Use the directions link on this page to plan your route. Ask the clinic about parking and building access before your first visit.
What services does Dentistry on John offer?
Dentistry on John lists 2 of the 17 services DentistsRanked tracks, including general dentistry and cleaning. The full list, with links to ranked lists for each service in Thornhill, is in the services table on this page.
How is Dentistry on John ranked?
Dentistry on John is ranked #35 of 102 dentists in Thornhill by DR Score, with 62 out of 100. The score combines reputation, review volume, recency, access, services and profile completeness. No clinic can pay to change its rank.
Data last refreshed October 21, 2026
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Owners can correct hours, services and dentists. The score is recalculated from the corrected data; payment never changes it.