Emergency Dentist in O Fallon, MO
There are 28 emergency dentists in O Fallon, MO offering same-day care for tooth pain, broken teeth, dental abscesses, knocked-out teeth, and lost fillings. Average Google rating: 4.8★ based on 10,160 combined reviews. 14 practices are currently accepting new patients.
| Emergency Dentists | Avg Rating | Accepting New Patients | Online Booking Available |
|---|---|---|---|
| 28 | 4.8★ | 14 | 11 |
Dr. John Silberberg, D.d.s.
2885 Highway K, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
Hours: Monday: 8:00 am - 5:00 pm, Tuesday: 8:00 am - 5:00 pm, Wednesday: Closed, Thursday: 8:00 am - 5:00 pm, Friday: Closed, Saturday: Closed, Sunday: Closed
Specialties: General Dentistry, Cosmetic Dentistry
Dr. Megan Nuxoll, Dmd
3011 Winghaven Blvd, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon: 8:00 AM - 5:00 PM, Tue: 8:00 AM - 5:00 PM, Wed: 8:00 AM - 5:00 PM, Thu: 8:00 AM - 5:00 PM, Fri: 8:00 AM - 2:00 PM, Sat: Closed, Sun: Closed
Specialties: Dentistry, General Dentistry, Cosmetic Dentistry, Preventative Oral Health
Dr. Anthony Lindahl, Dmd
1338 Sunburst Dr, O Fallon, MO 63366
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon: 9:00 AM - 6:00 PM, Tue: 9:00 AM - 6:00 PM, Wed: 8:00 AM - 5:00 PM, Thurs: 7:30 AM - 4:30 PM, Fri: 8:00 AM - 2:00 PM, Sat: Closed, Sun: Closed
Specialties: General Dentistry, Cosmetic Dentistry, Restorative Dentistry, Preventative Oral Health
St. Louis Pediatric Dentistry
4142 Keaton Crossing Blvd, Suite 102, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: By appointment only, some select Saturdays offered
Specialties: Pediatric Dentistry
Dr. Abbey Smith, D.m.d.
2941 Highway K, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon-Thurs: 8:00 AM - 5:00 PM, Fri: 8:00 AM - 1:00 PM, Sat-Sun: Closed
Specialties: General Dentistry, Preventative Oral Health, Cosmetic Dentistry, Restorative Dentistry
Dr. Zheng Qian, Dmd
2941 Highway K, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon-Thurs 8:00 AM - 5:00 PM, Fri 8:00 AM - 1:00 PM, Sat-Sun Closed
Specialties: General Dentistry, Cosmetic Dentistry, Restorative Dentistry, Preventative Oral Health
Missouri Dental Professionals, Richard Straus, Dmd, Pc
2941 Highway K, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon-Thurs: 8:00 AM - 5:00 PM, Fri: 8:00 AM - 1:00 PM, Sat-Sun: Closed
Specialties: General Dentistry, Cosmetic Dentistry, Restorative Dentistry, Preventative Oral Health
Dr. James Fetsch, Dmd, Pc
2941 Highway K, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon-Thurs: 8:00 AM - 5:00 PM, Fri: 8:00 AM - 1:00 PM, Sat-Sun: Closed
Specialties: General Dentistry, Family Dentistry, Cosmetic Dentistry, Restorative Dentistry
Dr. Jeffrey Harris, Dds
1630 Market Center Dr, Suite 100, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon: 7:00 AM - 5:00 PM, Tue: 7:00 AM - 5:00 PM, Wed: 7:00 AM - 5:00 PM, Thu: 7:00 AM - 5:00 PM, Fri: 7:00 AM - 2:00 PM, Sat: Closed, Sun: Closed
Specialties: General Dentistry
Dr. John Pastorek, Dmd
3445 Pheasant Meadow Dr, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Mon: 8:00 AM - 5:00 PM, Tue: 8:00 AM - 5:00 PM, Wed: 8:00 AM - 4:00 PM, Thu: 8:00 AM - 4:00 PM, Fri: 8:00 AM - 4:00 PM (Now Open 2 Friday Per Month 9:00 AM - 1:00 PM), Sat: Closed, Sun: Closed
Specialties: General Dentistry, Preventative Oral Health, Periodontics, Oral Surgery
Dr. Madison Tapia, Dds
1630 Market Center Blvd Ste 101, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Monday: 8:00 AM - 5:00 PM, Tuesday: 8:00 AM - 5:00 PM, Wednesday: 8:00 AM - 5:00 PM, Thursday: 8:00 AM - 5:00 PM, Friday: Closed, Saturday: Closed, Sunday: Closed
Specialties: General Dentistry, Cosmetic Dentistry, Dental Implants, Orthodontics (Invisalign)
Dr. Travis Schwarz, Dmd
8618 Mexico Rd, Suite 320, O Fallon, MO 63366
- ⚡ Emergency Services
- ✓ Accepting New Patients
- 📅 Online Booking
Hours: Monday: 7AM - 7PM, Tuesday - Wednesday: 7AM - 4PM, Thursday: 7AM - 5PM, Friday: 7AM - 1PM, Saturday - Sunday: Closed
Specialties: Emergency Dentistry, General Dentistry, Restorative Dentistry, Cosmetic Dentistry
River City Endodontics
113 Church St, O Fallon, MO 63366
- ⚡ Emergency Services
- ✓ Accepting New Patients
Hours: Monday through Thursday: 8:00 AM - 4:00 PM
Specialties: Endodontics
Dr. Dennis Schulze, D.d.s.
4001 Highway K, O Fallon, MO 63368
- ⚡ Emergency Services
- ✓ Accepting New Patients
Hours: Monday, Wednesday, Thursday: 9:00 AM – 6:00 PM, Tuesday: 11:00 AM – 7:00 PM, Friday, Saturday, Sunday: Closed
Specialties: Dentistry, General Practice, Family Dentistry
Showing top 20 of 28 emergency dentists in O Fallon, MO.
What Counts as a Dental Emergency in O Fallon, MO?
A dental emergency is any situation causing severe pain, uncontrolled bleeding, or risk of permanent tooth loss that requires prompt professional care. The following conditions warrant same-day treatment:
| Emergency Type | Symptoms | What to Do |
|---|---|---|
| Severe Toothache | Throbbing pain, swelling, fever | Call same-day; may indicate abscess |
| Knocked-Out Tooth | Tooth fully dislodged | Keep moist in milk, see dentist within 1 hour |
| Broken or Chipped Tooth | Jagged edge, pain on bite | Rinse, save fragments, call immediately |
| Dental Abscess | Pus, swelling, bad taste | Urgent — infection can spread systemically |
| Lost Crown or Filling | Exposed tooth, sensitivity | Temporary cement from pharmacy; call same day |
| Soft Tissue Injury | Bleeding gums, lip, or tongue | Apply pressure; seek care if bleeding persists |
Frequently Asked Questions — Emergency Dentist in O Fallon, MO
Are there emergency dentists in O Fallon, MO open on weekends?
Yes. Several emergency dentists in O Fallon, MO offer Saturday and some Sunday hours. Check the office hours listed on each practice profile above — look for practices with Saturday or evening hours for the best same-day availability.
How much does emergency dental care cost in O Fallon, MO?
Emergency exam fees in O Fallon, MO typically range from $75–$200 without insurance. Treatment costs vary by procedure: a root canal runs $700–$1,500; a tooth extraction $150–$400; a dental crown $1,000–$1,800. Most practices listed above accept major dental insurance plans and many offer CareCredit financing.
Can I walk in to an emergency dentist in O Fallon without an appointment?
Some emergency dental practices in O Fallon, MO do accept walk-ins, but calling ahead is strongly recommended — it reserves a slot and ensures the dentist is prepared for your specific emergency. 14 of the 28 emergency practices listed here are currently accepting new patients.
What should I do if I knock out a tooth in O Fallon?
Pick up the tooth by the crown (not the root), rinse it gently with water, and keep it moist — ideally in a glass of milk or between your cheek and gum. Call an emergency dentist in O Fallon, MO immediately. Reimplantation is most successful within 30–60 minutes of the injury.
Which emergency dentists in O Fallon accept dental insurance?
Most emergency dentists in O Fallon, MO accept major PPO dental insurance plans including Delta Dental, Cigna, Aetna, BlueCross BlueShield, Guardian, MetLife, and UnitedHealthcare. Check each individual practice profile for the specific plans accepted, or call ahead to confirm coverage before your visit.
How quickly can I get an emergency dental appointment in O Fallon, MO?
Many emergency dental practices in O Fallon, MO can see patients the same day, often within 1–4 hours of calling. Practices with online booking (11 listed here) may allow you to schedule directly without a phone call. For life-threatening dental infections with facial swelling or difficulty breathing, go to the nearest emergency room.
What is a dental emergency vs. a routine visit?
A dental emergency involves severe pain, uncontrolled bleeding, a knocked-out tooth, a dental abscess, or a broken tooth with exposed nerve — all requiring same-day care. Routine care (cleanings, check-ups, minor sensitivity) can wait for a scheduled appointment. When in doubt, call a O Fallon emergency dentist — most practices will advise you over the phone whether you need immediate care.