Endodontist in Stillwater, MN
Gentle & Precise Root Canal Therapy and Dental Implants
Serving Stillwater, Oak Park Heights, Bayport, Lake Elmo, Grant, Mahtomedi, Marine on St. Croix, Afton, Hugo, Woodbury, Oakdale and Cottage Grove, MN, plus Hudson, River Falls, New Richmond and Somerset, WI.
River Valley Endodontics is a specialty endodontist practice in Stillwater, MN providing root canal therapy, endodontic surgery, and dental implants for patients across the St. Croix River Valley.
We offer same day emergency treatment.
What Is an Endodontist, and When Should You See One?
An endodontist is a dentist who completed extra years of specialty training focused on the inside of the tooth. We spend our days on root canals, retreatment of root canals that did not heal, and microsurgery like apicoectomy. Dr. Reeh has done this work for more than 30 years.
Most people come to us for one of three reasons: a toothache that will not settle, a tooth your dentist wants a specialist to evaluate, or a root canal that is still causing trouble. You do not need a referral to call us. If you are in pain, tell us when you call and we will work to get you in the same day.
Meet Dr. Ernest Reeh
Dr. Ernest Reeh has over 30 years of experience in endodontics.
Our patients’ care and comfort are Dr. Reeh’s primary concerns. He explains patients’ needs in a calming way that they understand. Dr. Reeh also enjoys the conversations he has with his patients and uses humor when appropriate to help them relax and eliminate their anxiety. He has even been known to draw pictures or write upside down so he can talk face-to-face with patients about their treatment plans. He has created a calming, soothing office environment and hired team members who are understanding and compassionate.
Observers & Experts on Our Standards
A Practice That Inspires – From Future Dentists to Esteemed Peers.
"He showed me so many interesting aspects of his work, and I was amazed—it was a completely different side of dentistry that I hadn’t been exposed to before. After that day, I knew I wanted to explore it further. I realized this could be a path I truly saw myself pursuing, so I made the decision to take it seriously. Now, I’m applying to dental school and excited for what’s ahead."
"I had met Dr. Reeh and Dr. Reeh had promised me 23 years ago which is amazing that he says Marc if you call our office before noon of that day i will do everything I can to see your patient to get them out of pain that day and he made me that promise 23 years ago and I have to honestly say he's been able to follow through on that every time we've called it's been amazing."
Advanced Technology
With digital imaging and modern techniques, we ensure accurate diagnoses and minimally invasive treatments. Our cutting-edge tools provide precise, efficient, and comfortable care.
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Compassionate and Personalized Care
As soon as you enter our office, our caring team is here to make you feel welcome, informed, and at ease. We take the time to listen to your concerns, explain your treatment options clearly, and ensure you never feel rushed or pressured.

Calming Environment & Trusted Excellence
Enjoy a relaxing, stress-free experience in our comforting clinic, where we combine exceptional care with a trusted reputation as a Top Dentist, recognized by Mpls.St.Paul Magazine and topDentists since 2007.


Specialized Endodontic & Restorative Care
Root Canal Therapy

Dental Implants

Endodontic Retreatment

Apicoectomy

Cracked Teeth Treatment

Flexible Payment and Financing Options
At River Valley Endodontics, we make quality care accessible with flexible payment options. We accept most insurance plans and major credit cards and offer financing through CareCredit and Cherry. Additionally, we offer a discount for payments made in cash or by check.
What Our Patients Say
Welcome to Our Clinic: Where Comfort Meets Expertise
See the welcoming atmosphere and the smiles we’re honored to create.





Frequently Asked Questions About Seeing an Endodontist
Do I need a referral to see an endodontist in Stillwater?
No. You can call River Valley Endodontics at (651) 439-8085 and schedule directly. If your dentist referred you, we send them a report after treatment.
Do you treat dental emergencies the same day?
Yes. We offer same-day emergency treatment for severe tooth pain, swelling, and tooth injuries. Call as early in the day as you can so we can plan your visit.
Do you see patients from Wisconsin?
Yes. Many of our patients come from Hudson, River Falls, New Richmond and other communities across the St. Croix River.
Learn when to see an endodontist instead of your dentist.
Will I be comfortable during treatment?
Our goal is a calm visit. We explain each step before we start, and we offer nitrous oxide, oral sedation and IV sedation for patients who want extra help relaxing.
Contact Us For an Appointment
Get expert endodontic care in a comfortable setting. Contact us now to share your information and learn more about your treatment options.
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