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Best Teeth Whitening Dentists in St Thomas, ON (2026)

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

The short answer

  1. 1

    Best overall for teeth whitening: Sunset Dental, ranked #1 of 15 by service score; evening hours and Saturday and Sunday hours.

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

15 St Thomas clinics list teeth whitening and are ranked here by service score. 4 open Saturdays and 7 open after 6pm. Google ratings are not yet collected for these clinics.

Top 10 whitening dentists in St Thomas at a glance

The 15 best whitening dentists in St Thomas, 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 Thomas

    #1 Sunset Dental

    987 Talbot St, St Thomas, ON N5P 1E9

    67/10030% of factors measured

    Ranked #1 for teeth whitening in St Thomas: evening hours and Saturday and Sunday hours.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon–Thu 9 AM–8 PM · Fri 9 AM–3 PM · Sat–Sun 9 AM–5 PM

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

  2. #2 Fairview Dentistry

    1063 Talbot St l8, St Thomas, ON N5P 1G4, Canada

    67/10030% of factors measured

    Ranked #2 for teeth whitening in St Thomas: evening hours and Saturday and Sunday hours.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon 8:30 AM–6 PM · Tue 8:30 AM–8 PM · Wed–Thu 8:30 AM–6 PM · Fri–Sat 8:30 AM–4 PM · Sun 9 AM–3 PM

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Fairview Dentistry is your Family-friendly Dentist in St. Thomas and we welcome you and your family to visit us. We've proudly been serving the St. Thomas community for over a decade. We offer our patients a comprehensive range of services, including Dentist, ® , cosmetic care, and preventive hygiene. We work to provide customized dental treatments to fix your teeth and get the smile you've always wanted. We also recognize that a visit to the dentist can be stressful for…

    From Fairview Dentistry's own description. Not part of the ranking.
  3. #4 First Avenue Family Dentistry - OPEN NOW

    308 Wellington St, St Thomas, ON N5R 2S9, Canada

    57/10030% of factors measured

    Ranked #4 for teeth whitening in St Thomas: evening hours and Saturday hours.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon 9 AM–5 PM · Tue–Wed 8 AM–6:30 PM · Thu 9 AM–5 PM · Fri 9 AM–7 PM · Sat 9 AM–5 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Our mission as individual dental professionals is to make a difference in a patient’s life. We care deeply about our patients and what we do to help them maintain dental health for a lifetime. Our mission as a dental team is to work together as a unit to provide the best dental care available for all ages, caring for them as we would family members. We treat our patients with patience and kindness.

    From First Avenue Family Dentistry - OPEN NOW's own description. Not part of the ranking.
  4. #5 Lynhurst Dental

    9817 Ford Rd, St Thomas, ON N5P 3T1, Canada

    57/10030% of factors measured

    Ranked #5 for teeth whitening in St Thomas: evening hours and Saturday hours.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon 8 AM–8 PM · Tue–Wed 8 AM–5 PM · Thu 8 AM–6 PM · Fri–Sat 8 AM–2 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Lynhurst Dental is a full service family dental practice serving St. Thomas, London, Aylmer, and surrounding communities. Taking a partnership approach, we educate and engage our patients in their oral health care. We are welcoming new patients, and look forward to providing you a safe, dependable and pain-free experience at Lynhurst Dental!

    From Lynhurst Dental's own description. Not part of the ranking.
  5. #6 Elmwood Family Health Centre

    417 Wellington St #111, St Thomas, ON N5R 5J5, Canada

    47/10030% of factors measured

    Ranked #6 for teeth whitening in St Thomas: evening hours.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon–Thu 8:30 AM–8 PM · Fri 8:30 AM–4:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

  6. #10 One Dental

    417 Wellington St #53, St Thomas, ON N5R 5J5, Canada

    37/10030% of factors measured

    Ranked #10 for teeth whitening in St Thomas on access and profile data; Google ratings are not yet collected.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    One Dental Office is a extremely professional and experienced in different fields of dentistry. We follow strict standards to deliver exceptional service and personalized dental care. At One Dental Office, you get all kinds of dental procedures like Cosmetic Dentistry, Dental Implants, Smile Makeover, Braces, and Kid’s Dentistry etc, backed by modern technology and professional dental care experts.

    From One Dental's own description. Not part of the ranking.
  7. #11 Southwestern Public Health

    1230 Talbot St, St Thomas, ON N5P 1G9, Canada

    37/10030% of factors measured

    Ranked #11 for teeth whitening in St Thomas on access and profile data; Google ratings are not yet collected.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Southwestern Public Health (SWPH) works with municipalities, community agencies, health and social services, schools, and other local partners to ensure the health of the residents of Oxford County, Elgin County, and the City of St. Thomas. Our programs respond to public health emergencies; promote healthy lifestyles; help prevent injuries, illness and disease; and promote positive change and social conditions that improve health for everyone. We deliver mandated programs…

    From Southwestern Public Health's own description. Not part of the ranking.
  8. #12 Dalewood Dental Centre

    727 Talbot St, St Thomas, ON N5P 1E1, Canada

    37/10030% of factors measured

    Ranked #12 for teeth whitening in St Thomas on access and profile data; Google ratings are not yet collected.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon–Thu 8 AM–4:30 PM · Fri 8 AM–12 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

  9. #13 Dr. Candice Wakulich DDS

    242 Wellington St, St Thomas, ON N5R 2S7, Canada

    33/10030% of factors measured

    Ranked #13 for teeth whitening in St Thomas on access and profile data; Google ratings are not yet collected.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon 9 AM–6 PM · Tue 8 AM–5 PM · Wed 7:30 AM–5 PM · Thu 8 AM–5 PM · Fri 8 AM–12:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

  10. #14 Lynch (Bowsher) Mallory Dr

    242 Wellington St, St Thomas, ON N5R 2S7, Canada

    33/10030% of factors measured

    Ranked #14 for teeth whitening in St Thomas on access and profile data; Google ratings are not yet collected.

    Based on access, services and profile completeness; Google ratings not yet collected.

    Hours
    Mon 9 AM–6 PM · Tue 8 AM–5 PM · Wed 7:30 AM–5 PM · Thu 8 AM–5 PM · Fri 8 AM–12:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

Find the right dentist in St Thomas

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St Thomas, 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 Thomas?

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

How much does teeth whitening cost in St Thomas?
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 Thomas

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 Thomas whitening dentists

We scored 15 St Thomas clinics offering teeth whitening on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 6 were excluded (6 duplicate listings). Google ratings are not yet collected, so each score is renormalised over the factors we measured. 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 Thomas data
Reputation45%Bayesian-adjusted Google star ratingNot yet collected
Review volume15%log10(review count) against the city maximumNot yet collected
Recency10%Share of reviews in the last 12 monthsNot yet collected
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 Thomas: frequently asked questions

Who is the best teeth whitening dentist in St Thomas?

Sunset Dental ranks #1 of 15 St Thomas clinics offering teeth whitening by DentistsRanked service score. It has evening hours and Saturday and Sunday hours. Fairview Dentistry ranks #2 (evening hours and Saturday and Sunday hours). The score weighs reputation, access, services and profile data.

How much does teeth whitening cost in St Thomas, ON?

Teeth whitening in St Thomas 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 Thomas teeth whitening dentists are open on Saturday?

4 of 15 St Thomas clinics offering teeth whitening list Saturday hours, including Sunset Dental, Fairview Dentistry and First Avenue Family Dentistry - OPEN NOW. 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 Thomas?

15 St Thomas clinics list teeth whitening in our data. 4 are open Saturdays. Google ratings are on file for none of them. Counts update when clinics change their profiles.

Update log for St Thomas

  1. : DR Scores recalculated for 17 clinics.
  2. : 6 duplicate listings merged.