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Best Emergency Dentists in O'Fallon, MO (2026)

55 clinics offering emergency dental care, rankedUpdated 0 paid placementsHow we rank →

The short answer

  1. 1

    Best overall for emergency dental care: Brookside Family Dentistry, ranked #1 of 55 by service score; ranked on access and profile data; Google ratings not yet collected.

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55 O'Fallon clinics list emergency dental care and are ranked here by service score. 5 open Saturdays and 9 open after 6pm. Google ratings are not yet collected for these clinics.

Top 10 emergency care dentists in O'Fallon at a glance

The 55 best emergency care dentists in O'Fallon, 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. 73/10015% of factors measured

    Ranked #2 for emergency dental care in O'Fallon on access and profile data; Google ratings are not yet collected.

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

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Many offices in the O Fallon area are corporate, big business dental practices; with quotas and pushy sales tactics. Not us. We are a family owned dental practice, geared towards prevention first, striving to help our patients oral health be the very best it can be. Give us a try today, we would love to meet you and your family.

    From Dardenne Dental Arts's own description. Not part of the ranking.
  2. 67/10015% of factors measured

    Ranked #15 for emergency dental care in O'Fallon on access and profile data; Google ratings are not yet collected.

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

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Regardless of the treatment needed, new patients are often surprised at the individual attention that comes with a visit to Premier Dental Partners. We elicit this reaction by focusing on a blend of Quality, Convenience and Caring. It would be our privilege to partner with you to help you and your family work toward achieving a lifetime of good oral health and overall well-being!

    From Premier Dental Partners - O'Fallon's own description. Not part of the ranking.
  3. #21 Riverheart Family Dentistry

    8618 Mexico Rd, O'Fallon, MO 63366, United States

    47/10030% of factors measured

    Ranked #21 for emergency dental care in O'Fallon: evening hours.

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

    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    At our dental practice in O'Fallon, we understand the unique smile needs that patients face through each stage of life. Dr. Schwarz and our team of dental professionals are qualified and equipped to meet those needs with unsurpassed patient care. While the health of your teeth and gums are of primary importance, we also value the benefits of an attractive smile. With our expertise in general, restorative and cosmetic dentistry, we can ensure your smile retains both function…

    From Riverheart Family Dentistry's own description. Not part of the ranking.
  4. #22 Jeffrey J. Harris, DDS

    1630 Market Center Blvd Suite 100, O'Fallon, MO 63368, United States

    47/10030% of factors measured

    Ranked #22 for emergency dental care in O'Fallon: Saturday hours.

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

    Hours
    Mon–Tue 7 AM–5 PM · Wed 7 AM–6 PM · Thu–Fri 7 AM–5 PM · Sat 8 AM–1 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

  5. #23 Dental Professionals of Dardenne

    1000 Rondale Ct, O'Fallon, MO 63368, United States

    47/10030% of factors measured

    Ranked #23 for emergency dental care in O'Fallon: evening hours.

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

    Hours
    Mon–Tue 7 AM–6:30 PM · Wed–Thu 7 AM–4:30 PM · Fri 7:30 AM–2:30 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Welcome to the Dental Professionals of Dardenne! The search for a new dentist in O’Fallon can bring up feelings of stress and dental anxiety. It is our mission to alleviate any concerns you may have about your upcoming appointment and to provide you with all of the information you need to help you relax and become a partner in your own dental care. From your first phone call to our office, we make every effort to help toward this goal. Our priority is to provide top quality,…

    From Dental Professionals of Dardenne's own description. Not part of the ranking.
  6. #24 O'Fallon Modern Dentistry

    3009 State Hwy K, O'Fallon, MO 63368

    47/10030% of factors measured

    Ranked #24 for emergency dental care in O'Fallon: Saturday hours.

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

    Hours
    Mon 8 AM–4 PM · Tue 8 AM–5 PM · Wed 8 AM–4 PM · Thu 8 AM–6 PM · Fri 8 AM–1 PM · Sat 8 AM–2 PM · Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    As a Smile Generation Trusted office, we welcome you to O'Fallon Modern Dentistry! With state-of-the-art infection control procedures in place, our #1 goal is to keep you and your family safe. We provide comprehensive specialty services with advanced, proven technology and offer customized financial solutions for you. We are proud to be your complete O'Fallon dental provider with services including Teledentistry, Same-Day Dental Crowns, Boost Whitening, Oral Surgery, Wisdom…

    From O'Fallon Modern Dentistry's own description. Not part of the ranking.

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Emergency and weekend dentists in O'Fallon

Clinics that list same-day or emergency care, or post Saturday, Sunday or after-6 PM hours. Severe swelling or bleeding: go to a hospital.

What is emergency dental care?

Emergency dental care treats urgent problems such as severe toothache, a knocked-out or broken tooth, swelling, or bleeding that will not stop. The first goal is to relieve pain and control infection; full treatment may follow at a later visit.

Emergency dental care: specialist or general dentist?

Most dental emergencies are handled by general dentists who keep same-day or after-hours slots. You may be referred to an endodontist or oral surgeon afterward. Facial swelling with fever, trouble breathing or swallowing, or a jaw injury needs a hospital emergency department.

How much does emergency dental care cost in O'Fallon?

Typical ranges in USD for O'Fallon, MO. Your price depends on the tooth, the case and the clinic.

How much does emergency dental care cost in O'Fallon?
TypeTypical range (USD)BasisAs of
Emergency exam and x-ray$120–$300DentistsRanked estimate from typical fees, adjusted for Missouri—
After-hours or weekend visit$180–$480DentistsRanked estimate from typical fees, adjusted for Missouri—
Emergency extraction$180–$480DentistsRanked estimate from typical fees, adjusted for Missouri—

Estimates, not quotes. Ask the clinic for a written estimate. Full emergency dental care cost guide for O'Fallon

What to expect from emergency dental care

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

Emergency dental care: visits, chair time and recovery
FactTypically
Typical visits1 urgent visit; often a follow-up for definitive treatment
Chair timeAbout 30–90 minutes depending on the problem
RecoveryDepends on the treatment given; pain often eases within a day or two
When to see a specialistWhen the tooth needs a complex root canal or surgical extraction, or after facial trauma

How we ranked O'Fallon emergency care dentists

We scored 55 O'Fallon clinics offering emergency dental care on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 16 were excluded (16 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 O'Fallon 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

Emergency dental care in O'Fallon: frequently asked questions

Who is the best emergency dental care dentist in O'Fallon?

Brookside Family Dentistry ranks #1 of 55 O'Fallon clinics offering emergency dental care by DentistsRanked service score. Dardenne Dental Arts ranks #2. The score weighs reputation, access, services and profile data.

How much does emergency dental care cost in O'Fallon, MO?

Emergency dental care in O'Fallon typically costs $100–$500 USD. By type: emergency exam and x-ray $120–$300; after-hours or weekend visit $180–$480; emergency extraction $180–$480. These are estimates, not quotes. Basis: DentistsRanked estimate from typical fees, adjusted for Missouri. Ask the clinic for a written estimate.

Is emergency dental care covered by insurance or Medicaid in Missouri?

Many dental insurance plans cover emergency exams and palliative treatment, though the follow-up work is covered at its own rate. Medicaid often covers emergency dental care for adults even in states with limited adult benefits. Check your plan.

Does emergency dental treatment hurt?

The problem that brings you in usually hurts more than the treatment. Dentists typically numb the area with local anesthetic before any procedure. Some soreness afterward is common and is usually managed with over-the-counter pain relief, but follow your dentist's advice.

Which O'Fallon emergency dental care dentists are open on Saturday?

5 of 55 O'Fallon clinics offering emergency dental care list Saturday hours, including Dentist O'Fallon, Jeffrey J. Harris, DDS and O'Fallon Modern Dentistry. 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 emergency dental care in O'Fallon?

55 O'Fallon clinics list emergency dental care in our data. 5 are open Saturdays. Google ratings are on file for none of them. Counts update when clinics change their profiles.

Update log for O'Fallon

  1. : DR Scores recalculated for 55 clinics.
  2. : 16 duplicate listings merged.