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Best Teeth Whitening Dentists in St. Catharines, ON (2026)

35 clinics offering teeth whitening, rankedUpdated 0 paid placementsHow we rank →

The short answer

  1. 1

    Best overall for teeth whitening: Monarch Dentistry - Smile Dental Centre, ranked #1 of 35 by service score; 4.7★ from 496 Google reviews, evening hours and Saturday hours.

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35 St. Catharines clinics list teeth whitening and are ranked here by service score. 7 open Saturdays and 14 open after 6pm. Google ratings are on file for 29 of them.

Top 10 whitening dentists in St. Catharines at a glance

Top 10 whitening dentists in St. Catharines at a glance
RankClinicService scoreRating (reviews)Reviews mentioning whitening
1Monarch Dentistry - Smile Dental Centre764.7★ (496)—
2St. Catharines Family Dental Care754.9★ (116)—
3Denlabco Limited73——
4Harbourside Dental725.0★ (206)—
5Dental Hygiene of Niagara725.0★ (82)—
6The Tooth Corner714.5★ (60)—
7Dentistry on King704.8★ (80)—
8Carlton Dental704.7★ (266)—
9Dr. John Perri Family Dentistry704.9★ (99)—
10Lake Street Dental684.5★ (127)1

The 35 best whitening dentists in St. Catharines, ranked

Ordered by service score: the DR Score plus bonuses for a specialist on staff, reviews that mention the service and same-day care where it applies.

  1. Ranked #1 for whitening in St. Catharines

    #1 Monarch Dentistry - Smile Dental Centre

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

    76/100

    Ranked #1 for teeth whitening in St. Catharines: 4.7★ from 496 Google reviews; evening hours and Saturday hours.

    • 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 for teeth whitening in St. Catharines: 4.9★ from 116 Google reviews; evening hours and Saturday hours.

    • 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.

  5. #5 Dental Hygiene of Niagara

    2-365 Vine St, St. Catharines, ON L2M 4T9, Canada

    72/100

    Ranked #5 for teeth whitening in St. Catharines: 5.0★ from 82 Google reviews; evening hours and Saturday hours.

    • 5.0from 82 Google reviews
    Hours
    Mon 9 AM–5 PM · Tue 10 AM–5 PM · Wed–Thu 9 AM–8 PM · Fri 9 AM–3 PM · Sat 8 AM–3 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Dental Hygiene of NiagaraFull profile(289) 362-4222
    In their words

    Dental Hygienist’s strive to help their clients attain and maintain their oral health. Check out our website for more information! *2017 Women in Business winner of Emerging Business of the Year! * Nominated for Niagara Entrepenur of the Year in the category of ‘Innovative Business’ 2017 * 2019 recipient of Niagara’s 40 under 40 business achievement award * 2019 Gold winner for St. Catharines Readers Choice under Best Dental Hygienist in the Professional category

    From Dental Hygiene of Niagara's own description. Not part of the ranking.

  10. #10 Lake Street Dental

    168 Lake St, St. Catharines, ON L2R 5Y7, Canada

    68/100

    Ranked #10 for teeth whitening in St. Catharines: 4.5★ from 127 Google reviews; 1 of 20 collected reviews mentions teeth whitening.

    • 4.5from 127 Google reviews
    Hours
    Mon–Tue 9 AM–6 PM · Wed–Thu 9 AM–5 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Lake Street DentalFull profile(905) 688-8403
    In their words

    At Lake Street Dental, our office is committed to providing you with the very best of care in a friendly and compassionate manner. We believe in treating our patients in a warm and comfortable environment whilst ensuring that they are aware of what is being treated every step of the way. No sugar coating involved! Please don't hesitate to contact us if you have any questions or concerns!

    From Lake Street Dental's own description. Not part of the ranking.

  13. #13 ABC Dental Only for Kids

    395 Ontario St, St. Catharines, ON L2N 7N6, Canada

    67/100

    Ranked #13 for teeth whitening in St. Catharines: 4.7★ from 299 Google reviews.

    • 4.7from 299 Google reviews
    Hours
    Mon–Thu 7 AM–4 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at ABC Dental Only for KidsFull profile(905) 935-5437
    In their words

    We are a team of specialists who provide exceptional dental care for babies, children, and adolescents. Our goal is to make dentistry a better experience for kids and parents, and to educate them for a lifetime of healthy smiles. We provide all aspects of dental care for anyone under age of 18 years. We are located in St. Catharines, on Ontario Street, and we help all patients throughout the Niagara region. No referral necessary.

    From ABC Dental Only for Kids's own description. Not part of the ranking.

  17. #17 Saberton Denture & Implant

    245 Pelham Rd, St. Catharines, ON L2R 3E8, Canada

    67/100

    Ranked #17 for teeth whitening in St. Catharines: 4.8★ from 203 Google reviews.

    • 4.8from 203 Google reviews
    Hours
    Mon–Thu 9:30 AM–5:30 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Saberton Denture & ImplantFull profile(905) 321-5930
    In their words

    Saberton Denture & Implant have been providing denture and implant solutions to thousands of residents in Southern Ontario since 1999. Originally named The Denture Centre Ontario, Saberton Denture & Implant changed their name in 2018 to better reflect owner P.J. Saberton's commitment to provide affordable denture and implant care to all. Along with dental implants and dentures, repair and reline services are also available. All consultations are free, resulting in patients…

    From Saberton Denture & Implant's own description. Not part of the ranking.

  18. #18 Fairview Mall Dental Centre

    285 Geneva St, St. Catharines, ON L2N 2G1, Canada

    67/100

    Ranked #18 for teeth whitening in St. Catharines: 3.8★ from 9 Google reviews; evening hours and Saturday hours.

    • 3.8from 9 Google reviews
    Hours
    Mon 9 AM–5 PM · Tue 11 AM–7 PM · Wed–Thu 9 AM–5 PM · Fri closed · Sat 9 AM–1 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Fairview Mall Dental CentreFull profile(905) 937-5055

  20. #20 Lakeport Dental

    95 Lakeport Rd, St. Catharines, ON L2N 4P9, Canada

    65/100

    Ranked #20 for teeth whitening in St. Catharines: 4.4★ from 47 Google reviews; evening hours.

    • 4.4from 47 Google reviews
    Hours
    Mon 8:30 AM–5 PM · Tue 8:30 AM–6 PM · Wed 8:30 AM–7 PM · Thu–Fri 8:30 AM–5 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Lakeport DentalFull profile(905) 934-0235
    In their words

    Lakeport Dental has been proudly serving the residents of St. Catharines and the entire Niagara region for many years. Our office is home to more than just one dental specialist; we have a team of expert dentists, experienced hygienists, and even clinical assistants. We can care for our patients by providing them with emergency dental services, preventive, cosmetic, and restorative dentistry, dental crowns, white fillings, veneers, tooth bridges, root canals, oral cancer…

    From Lakeport Dental's own description. Not part of the ranking.

  22. #22 Hayven Dentures

    289 Glendale Ave Suite 4, St. Catharines, ON L2T 2L4, Canada

    65/100

    Ranked #22 for teeth whitening in St. Catharines: 5.0★ from 68 Google reviews.

    • 5.0from 68 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at Hayven DenturesFull profile(905) 680-2040
    In their words

    Here at the Hayven Denture clinic in St. Catharines, you will receive dentures that help you live life comfortably and smile from cheek to cheek. Better than the average diversified dental clinic, the only services provided here are denture-related which means all the love, time, and effort spent is spent making your dentures. Different from sticking to outdated conventional methods… this clinic uses new studies, research, and technologies so you can go home to enjoy life…

    From Hayven Dentures's own description. Not part of the ranking.

  24. #24 St. Catharines Dental Implants & Oral Surgery

    75 Corporate Park Dr, St. Catharines, ON L2S 3W2, Canada

    63/100

    Ranked #24 for teeth whitening in St. Catharines: 4.6★ from 94 Google reviews.

    • 4.6from 94 Google reviews
    Hours
    Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    Book appointment at St. Catharines Dental Implants & Oral SurgeryFull profile(905) 704-1449
    In their words

    Dr. Vigna is your surgeon of record for dental implants and wisdom teeth removal in the Niagara region. With 24 years experience as an oral surgeon and thousands of dental implant placements under his belt, Dr. Vigna is an experienced professional. Don't trust your oral surgery needs to anyone else!

    From St. Catharines Dental Implants & Oral Surgery's own description. Not part of the ranking.

All 35 clinics

#1 to #25 are shown in full above. Here are #26 to #35, in DR Score order; each links to its full profile.

RankClinicDR ScoreRating (reviews)Evenings / weekends
26A Cleaner Smile Dental Hygiene Clinic624.7★ (15)
27Turner Dental605.0★ (15)
28Northtown Dental Centre603.9★ (7)Evenings
29Linwell Park Dental Centre603.8★ (49)
30Sinclair K E Dr & Dr Amit Narwal605.0★ (6)
31Peracchia Dentistry583.5★ (44)
32The Tooth Corner St. Catharines Pelham Rd583.6★ (27)
33OraCare Dental582.5★ (8)
34Glendale Dental Centre47Evenings
35Maplewood Dental37

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St. Catharines, ON

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What is teeth whitening?

Teeth whitening uses peroxide-based gels to lighten stains on natural tooth enamel. It can be done in the clinic in one visit or at home with custom trays from your dentist. It does not change the colour of crowns, fillings or veneers.

Teeth whitening: specialist or general dentist?

General and cosmetic dentists provide professional whitening. A dental exam first helps rule out cavities or gum problems that could make whitening uncomfortable.

How much does teeth whitening cost in St. Catharines?

Typical ranges in CAD for St. Catharines, ON. Your price depends on the tooth, the case and the clinic.

How much does teeth whitening cost in St. Catharines?
TypeTypical range (CAD)BasisAs of
In-office whiteningCA$410–CA$1,350DentistsRanked estimate from typical fees, adjusted for Ontario—
Custom take-home traysCA$270–CA$810DentistsRanked estimate from typical fees, adjusted for Ontario—

Estimates, not quotes. Ask the clinic for a written estimate. Full teeth whitening cost guide for St. Catharines

What to expect from teeth whitening

Typical ranges for most patients. Your dentist's plan may differ.

Teeth whitening: visits, chair time and recovery
FactTypically
Typical visits1 visit in-office; or 1–2 visits for custom take-home trays
Chair timeAbout 60–90 minutes in-office
RecoveryNone; temporary tooth sensitivity is common for a day or two
When to see a specialistRarely needed; ask your dentist about deep stains from medication or injury

How we ranked St. Catharines whitening dentists

We scored 35 St. Catharines clinics offering teeth whitening 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

Teeth whitening in St. Catharines: frequently asked questions

Who is the best teeth whitening dentist in St. Catharines?

Monarch Dentistry - Smile Dental Centre ranks #1 of 35 St. Catharines clinics offering teeth whitening by DentistsRanked service score. It has 4.7★ from 496 Google reviews and evening hours and Saturday hours. St. Catharines Family Dental Care ranks #2 (4.9★ from 116 Google reviews). The score weighs reputation, access, services and profile data.

How much does teeth whitening cost in St. Catharines, ON?

Teeth whitening in St. Catharines typically costs CA$270–CA$810 CAD. By type: in-office whitening CA$410–CA$1,350; custom take-home trays CA$270–CA$810. These are estimates, not quotes. Basis: DentistsRanked estimate from typical fees, adjusted for Ontario. Ask the clinic for a written estimate.

Is teeth whitening covered by CDCP or insurance in Ontario?

The Canadian Dental Care Plan (CDCP) does not cover teeth whitening, and most private plans exclude it as cosmetic.

Does teeth whitening hurt?

Teeth whitening is not usually painful, but temporary sensitivity is common during treatment and for a day or two after. Some people feel brief sharp twinges. Your dentist can lower the gel strength or recommend a desensitising toothpaste.

Which St. Catharines teeth whitening dentists are open on Saturday?

7 of 35 St. Catharines clinics offering teeth whitening list Saturday hours, including Monarch Dentistry - Smile Dental Centre, St. Catharines Family Dental Care and Dental Hygiene of Niagara. Hours come from each clinic's listing; check with the clinic before you go, since holiday and summer hours can change.

How many dentists offer teeth whitening in St. Catharines?

35 St. Catharines clinics list teeth whitening in our data. 7 are open Saturdays. Google ratings are on file for 29 of them. Counts update when clinics change their profiles.

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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