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Best Orthodontists in St. Catharines, ON (2026)

5 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Top DR Score among orthodontists: Monarch Dentistry - Smile Dental Centre, 4.7★ from 496 Google reviews, open evenings until 7 PM and Saturdays until 3 PM.

  2. 2

    Best for weekend appointments: St. Catharines Family Dental Care, 4.9★ from 116 Google reviews, open evenings until 7 PM and Saturdays until 3 PM.

  3. 5

    Best for evenings: Watts T Dr., 4.9★ from 11 Google reviews, open evenings until 8 PM.

Rankings can't be bought. Booking through us earns you a $60 gift card and doesn’t affect order. How we rank

5 of St. Catharines’s 59 clinics have an orthodontist on staff, as of October 2026. 3 of them open Saturdays and 3 stay open after 6pm. They offer 15 of our 17 tracked services on average.

Top 5 orthodontists in St. Catharines at a glance

Top 5 orthodontists in St. Catharines at a glance
RankClinicDR ScoreRating (reviews)Evenings / weekendsBest for
1Monarch Dentistry - Smile Dental Centre764.7★ (496)Evenings · SatTop DR Score among orthodontists
2St. Catharines Family Dental Care754.9★ (116)Evenings · SatBest for weekend appointments
3Niagara Peninsula Orthodontics664.8★ (54)——
4Monarch Dentistry - Smile Dental Centre654.5★ (651)Sat—
5Watts T Dr.644.9★ (11)EveningsBest for evenings

The 5 orthodontists in St. Catharines, ranked

Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.

  1. Ranked #1 in St. Catharines

    #1 Monarch Dentistry - Smile Dental Centre

    2 Tremont Dr, St. Catharines, ON L2T 3B2

    76/100

    Ranked #1 because of its Google rating and review volume: 4.7★ from 496 Google reviews, 496 Google reviews.

    • 4.7from 496 Google reviews
    Hours
    Mon 10 AM–6 PM · Tue 9 AM–6 PM · Wed–Thu 10 AM–7 PM · Fri 9 AM–4 PM · Sat 9 AM–3 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Monarch Dentistry - Smile Dental CentreFull profile(905) 367-7451
    In their words

    Looking for a general, cosmetic, and emergency dentist near you? Visit the Smile Dental Centre in St. Catharine’s on Tremont drive for our comprehensive dental treatment prioritized for all patients. Smile Dental Centre is dedicated to patients of all ages, including pediatric dentistry, where our dentists specialize in making your children feel right. Our dental clinic near you has many dental treatment options. From cosmetic to restorative and orthodontics, we offer…

    From Monarch Dentistry - Smile Dental Centre's own description. Not part of the ranking.

  2. #2 St. Catharines Family Dental Care

    191 Welland Ave Unit 1, St. Catharines, ON L2R 2P2, Canada

    75/100

    Ranked #2 because of its Google rating and review volume: 4.9★ from 116 Google reviews, 116 Google reviews.

    • 4.9from 116 Google reviews
    Hours
    Mon 8 AM–5 PM · Tue 9 AM–7 PM · Wed 8 AM–5 PM · Thu 9 AM–7 PM · Fri–Sat 8:30 AM–3 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at St. Catharines Family Dental CareFull profile(905) 688-4644
    In their words

    St. Catharines Family Dental Care services the St. Catharines and Niagara region. At our clinic, experienced general and cosmetic dentists collaborate to provide you with comprehensive dental care. We prides ourselves in offering gentle and compassionate dentistry with the same care and comfort we would want for ourselves.

    From St. Catharines Family Dental Care's own description. Not part of the ranking.

  4. #4 Monarch Dentistry - Smile Dental Centre

    285 Bunting Rd, St. Catharines, ON L2M 7T9, Canada

    65/100

    Ranked #4 because of its Google rating and review volume: 4.5★ from 651 Google reviews, the most Google reviews in St. Catharines (651).

    • 4.5from 651 Google reviews
    Hours
    Mon–Thu 10 AM–6 PM · Fri 10 AM–5 PM · Sat 10 AM–3 PM · Sun closed

    General dentistryEmergency careImplantsCrownsBondingCosmeticFull restoration

    Book appointment at Monarch Dentistry - Smile Dental CentreFull profile(289) 362-1002
    In their words

    Like in all our dental offices in Southern Ontario, Smile Dental Centre in St. Catharines provides quality dental services to all patients. The staff is skilled and customer friendly to ensure you always come back for our top services near you. Visit the orthodontic dentist in St. Catherines for root canal treatments, dental implants, and more complex tooth extractions. Our highly trained staff are here for you and your whole family.

    From Monarch Dentistry - Smile Dental Centre's own description. Not part of the ranking.

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How we ranked St. Catharines dentists

This list covers the 5 St. Catharines clinics that have an orthodontist on staff. We scored 5 St. Catharines clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 27 were excluded (1 closed and 26 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.

Read the full method: formula, sources and exclusions

DR Score factors and weights
FactorWeightComputed fromIn St. Catharines data
Reputation45%Bayesian-adjusted Google star ratingMeasured
Review volume15%log10(review count) against the city maximumMeasured
Recency10%Share of reviews in the last 12 monthsMeasured
Access15%Evenings, Saturday, Sunday, same-day/emergency, accepting new patientsMeasured
Services10%Services offered out of 17Measured
Profile completeness5%Named dentists, years open, languages, insurance, photosMeasured

Best Orthodontists in St. Catharines, ON: frequently asked questions

Who are the orthodontists in St. Catharines?

5 St. Catharines clinics have an orthodontist on staff in our data. By DR Score, the highest-ranked are Monarch Dentistry - Smile Dental Centre, St. Catharines Family Dental Care and Niagara Peninsula Orthodontics.

Which of these St. Catharines clinics are open on Saturday?

3 of the 5 clinics on this page open on Saturdays. The highest-ranked are Monarch Dentistry - Smile Dental Centre, St. Catharines Family Dental Care and Monarch Dentistry - Smile Dental Centre, and Monarch Dentistry - Smile Dental Centre opens 9 AM–3 PM.

Which St. Catharines clinics on this page are open late?

3 of the 5 clinics on this page stay open after 6pm on at least one weekday. Watts T Dr. has the latest weekday hours, until 8 PM on Wednesdays.

How are orthodontists in St. Catharines 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 5 St. Catharines clinics that have an orthodontist on staff, in DR Score order. No clinic pays for its position.

Update log for St. Catharines

  1. : DR Scores recalculated for 59 clinics.
  2. : 26 duplicate listings merged.
  3. : 1 closed clinic removed.

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