67/100
Ranked #1 because of its Google rating and review volume: 4.9★ from 127 Google reviews, 127 Google reviews.
- 4.9from 127 Google reviews
- Hours
- Mon–Tue 8 AM–4 PM · Wed 9 AM–5 PM · Thu 12 PM–8 PM · Fri 9 AM–5 PM · Sat 9:30 AM–2:30 PM · Sun closed
Best Periodontists in Ottawa, ON (2026)
7 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Top DR Score among periodontists: Robertson Family Dentistry, 4.9★ from 127 Google reviews, open evenings until 8 PM and Saturdays until 2:30 PM.
- 4
Best for evenings: Singhal Dentistry, 4.4★ from 76 Google reviews, open evenings until 7 PM.
Rankings can't be bought. Booking through us earns you a $60 gift card and doesn’t affect order. How we rank
7 of Ottawa’s 345 clinics have a periodontist on staff, as of October 2026. 1 of them open Saturdays and 3 stay open after 6pm. They offer 1 of our 17 tracked services on average.
Top 7 periodontists in Ottawa at a glance
| Rank | Clinic | DR Score | Rating (reviews) | Evenings / weekends | Best for |
|---|---|---|---|---|---|
| 1 | Robertson Family Dentistry | 67 | 4.9★ (127) | Evenings · Sat | Top DR Score among periodontists |
| 2 | Dentistry On Catherine Street (DOCS) | 62 | 4.9★ (534) | — | — |
| 3 | Dr. Robert Bouclin | 59 | 4.9★ (440) | — | — |
| 4 | Singhal Dentistry | 57 | 4.4★ (76) | Evenings | Best for evenings |
| 5 | Periodontal Associates in Sandy Hill | 57 | 4.8★ (168) | — | — |
| 6 | Trillium Dental - Downtown Ottawa Dentist | 56 | 4.7★ (183) | — | — |
| 7 | Singhal Dentistry at Lyon and Glebe | 56 | 4.9★ (31) | Evenings | — |
The 7 periodontists in Ottawa, ranked
Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.
#2 Dentistry On Catherine Street (DOCS)
240 Catherine St 4th Floor, Ottawa, ON K2P 2G8
62/100Ranked #2 because of its Google rating and review volume: 4.9★ from 534 Google reviews, the most Google reviews in Ottawa (534).
- 4.9from 534 Google reviews
- Hours
- Mon 7 AM–4 PM · Tue–Thu 7 AM–5 PM · Fri 7 AM–4 PM · Sat–Sun closed
#3 Dr. Robert Bouclin
1335 Carling Ave Ste 308, Ottawa, ON K1Z 8N8
59/100Ranked #3 because of its Google rating and review volume: 4.9★ from 440 Google reviews, 440 Google reviews.
- 4.9from 440 Google reviews
- Hours
- Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
#4 Singhal Dentistry
1525 Carling Ave, Ottawa, ON K1Z 8R9
57/100Ranked #4 because of its Google rating and review volume: 4.4★ from 76 Google reviews, 76 Google reviews.
- 4.4from 76 Google reviews
- Hours
- Mon 7:30 AM–5 PM · Tue 7:30 AM–7 PM · Wed–Thu 7:30 AM–5 PM · Fri–Sun closed
#5 Periodontal Associates in Sandy Hill
278 Friel St, Ottawa, ON K1N 7W1
57/100Ranked #5 because of its Google rating and review volume: 4.8★ from 168 Google reviews, 168 Google reviews.
- 4.8from 168 Google reviews
- Hours
- Mon–Tue 8 AM–4:30 PM · Wed 8 AM–4 PM · Thu 8 AM–4:30 PM · Fri 8 AM–3 PM · Sat–Sun closed
#6 Trillium Dental - Downtown Ottawa Dentist
407 Laurier Ave W, Ottawa, ON K1R 7Y7
56/100Ranked #6 because of its Google rating and review volume: 4.7★ from 183 Google reviews, 183 Google reviews.
- 4.7from 183 Google reviews
- Hours
- Mon 7:30 AM–4:30 PM · Tue 7:30 AM–5:30 PM · Wed–Thu 7:30 AM–4:30 PM · Fri 7:30 AM–1 PM · Sat–Sun closed
#7 Singhal Dentistry at Lyon and Glebe
645 Lyon St S, Ottawa, ON K1S 3Z6
56/100Ranked #7 because of its Google rating and review volume: 4.9★ from 31 Google reviews, 31 Google reviews.
- 4.9from 31 Google reviews
- Hours
- Mon–Tue 7:30 AM–5 PM · Wed 7:30 AM–7 PM · Thu 7:30 AM–5 PM · Fri–Sun closed
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How we ranked Ottawa dentists
This list covers the 7 Ottawa clinics that have a periodontist on staff. We scored 7 Ottawa clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 2 were excluded (2 duplicate listings). Data from Google listings and clinic websites, refreshed October 21, 2026.
Paid placement never changes a rank or score. Featured clinics are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Ottawa data |
|---|---|---|---|
| Reputation | 45% | Bayesian-adjusted Google star rating | Measured |
| Review volume | 15% | log10(review count) against the city maximum | Measured |
| Recency | 10% | Share of reviews in the last 12 months | Measured |
| Access | 15% | Evenings, Saturday, Sunday, same-day/emergency, accepting new patients | Measured |
| Services | 10% | Services offered out of 17 | Measured |
| Profile completeness | 5% | Named dentists, years open, languages, insurance, photos | Measured |
Best Periodontists in Ottawa, ON: frequently asked questions
Who are the periodontists in Ottawa?
7 Ottawa clinics have a periodontist on staff in our data. By DR Score, the highest-ranked are Robertson Family Dentistry, Dentistry On Catherine Street (DOCS) and Dr. Robert Bouclin. These counts come from clinic hours and profile data as of October 2026, re-checked every week.
Which of these Ottawa clinics are open on Saturday?
1 of the 7 clinics on this page open on Saturdays. The highest-ranked are Robertson Family Dentistry, and Robertson Family Dentistry opens 9:30 AM–2:30 PM. These counts come from clinic hours and profile data as of October 2026, re-checked every week.
Which Ottawa clinics on this page are open late?
3 of the 7 clinics on this page stay open after 6pm on at least one weekday. Robertson Family Dentistry has the latest weekday hours, until 8 PM on Thursdays.
How are periodontists in Ottawa ranked?
Each clinic has one DR Score from 0 to 100, built from 6 published factors: reputation, review volume, recency, access, services and profile completeness. This page lists the 7 Ottawa clinics that have a periodontist on staff, in DR Score order. No clinic pays for its position.
Update log for Ottawa
- : DR Scores recalculated for 345 clinics.
- : 2 duplicate listings merged.