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230 Columbia Blvd, St. Helens, OR 97051
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Call (503) 397-0080
We hope this update finds you well!

On June 1st, we opened our office for routine and elective services. If your dental care was interrupted due to Covid-19, please call us at 503-397-0080 to reschedule.

For your safety, additional protections are in place according to CDC guidelines. We look forward to providing care in a safe and responsible manner.

~Your Columbia River Dental Team

Dr. Leigh E. Ammon, DMD


Dr Leigh AmmonDr. Leigh Ammon enjoys all aspects of general dentistry, especially the relationships formed with patients and their families. She is 2006 graduate of the University of Mississippi School of Dentistry. Afterwards, she completed a one year residency at Idaho State University in Pocatello where she received advanced training in sedation, implants, and cosmetic dentistry. Since moving to Portland, Dr. Ammon has maintained a private practice focusing on comprehensive care which meets each patient’s individual needs.

While not practicing dentistry, Dr. Ammon can be found exploring the beautiful Pacific Northwest. She is an avid runner, hiker, and traveler.

Photos of the Area



columbia river dental st helens or dock
columbia river dental st helens or forest on river
columbia river dental st helens or pier
columbia river dental st helens or sun over water
columbia river dental st helens or sun setting
columbia river dental st helens or trees and river
columbia river dental st helens or water
columbia river dental st helens or water sunset