R. Joseph Weibert, D.M.D.
David Cordero, D.M.D.

Welcome to Humboldt Endodontics

Dr. Weibert came to Eureka in June 2016 and opened his Dental Practice in July 2016. He has been in private practice from 1991 to the present, primarily in the St. Louis, Missouri area. Dr. Weibert obtained his Doctor of Dental Medicine (D.M.D.) from Washington University School of Dental Medicine in St. Louis in 1983. He completed his advanced Speciality Education Program in Endodontics at the University of Nebraska in 1987.

Our office is a paperless practice and is specifically designed for microscope-enhanced endodontics. Each operatory is equipped with a dental microscope for the best possible vision of your procedure. The office contains a digital x-ray system that reduces radiation exposure; a modern sterilization lab for your safety; and has one of the most comprehensive computer software systems available to an Endodontic practice.


Our office is committed to providing you with exceptional and comfortable care. 

Our office strives to educate you to help you understand the endodontic treatment process and to help alleviate any fear that Root Canal Treatment may create. We work diligently to make your treatment a pleasant and effective experience.


Our team offers the GentleWave® Procedure,

a state-of-the-art alternative to standard root canal treatment.

Extremely effective at cleaning and disinfecting, GentleWave®

reduces the chance of failure over time.

For Our Patients

Conveniently fill out your information online from the comfort of your home! If you are a new patient, please contact us (707) 442-5719.

Request An Appointment

Please enter your name.
Please enter a message.