About the Doctors

Deborah Majerus, DDS, MS

Diplomate, American Board of Endodontics

Dr. Majerus opened her dream practice here in 2008 after practicing in Colorado Springs for three years. She grew up in the Whitewater Valley and Rochester.  She has been involved in a number of volunteer activities including the Good Samaritan Dental Clinic and Gives Kids a Smile.  Dr. Majerus is an Adjunct Assistant Professor at the University of Minnesota School of Dentistry where she teaches clinical endodontics part-time, and used to teach part-time at the General Practice Residency at the Denver VA Medical Center.

She is a past president for the Minnesota Association of Endodontists, and has had the privilege of serving on the board of the Zumbro Valley Dental Society, including a term as president.  She has also had the honor of speaking at Mayo Clinic Dental Reviews, Mayo Clinic Dental Grand Rounds, Mayo Clinic Dental Resident Combined Seminar group, her local Spear study group, the Austin Dental Society, and the Rochester Dental Assistant Association.  She has been involved in clinical based research with the Dental Practice Based Network, specifically regarding facial pain.

Outside of practice she enjoys spending time with her son, reading, hiking, painting, and traveling.

Her education includes:

  • Board Certified Diplomate American Board of Endodontics
  • M.S. and Certificate of Endodontic Residency University of Minnesota School of Dentistry
  • Certificate General Practice Residency VA Medical Center, Denver, CO
  • D.D.S. (highest honors) University of Minnesota School of Dentistry, Minneapolis, MN
  • B.S. (honors) University of Florida, Gainesville, Florida
  • A.S. Mayo Clinic School of Health Related Sciences, Rochester, MN, Clinical Neurophysiology Technology

Professional Affiliations

  • American Association of Endodontists (www.aae.org)
  • College of Diplomates, American Board of Endodontics
  • Minnesota Association of Endodontists
  • Minnesota Dental Association
  • Southeastern District Dental Society
  • Zumbro Valley Dental Society (www.zvds.org)
  • American Dental Association (www.ada.org)
  • National Dental Practice-Based Research Network (www.nationaldentalpbrn.org)

Michael W. Regan Anderson, DDS, MS

Diplomate, American Board of Endodontics

Michael Regan Anderson D.D.S., M.S., originally from the Pacific Northwest, came to Minnesota for his dental education after graduating cum laude from Whitman College in Washington State. As a dental student at the University of Minnesota School of Dentistry, he served as Class President and President of the Council of Students before receiving his DDS with the highest honors. He was admitted to the Omicron Kappa Upsilon Honor Dental Society. By graduation, he received awards in endodontics, oral radiology, implantology, leadership, and dental research.

Dr. Regan Anderson has research experiences and some publications in cancer biology, endodontic rotary instruments, and oral radiographic technology. He was appointed to serve on the Educational Affairs Committee with the American Association of Endodontists. As a resident in the Division of Endodontics at the University of Minnesota, he was appointed the Chief Resident.

Dr. Regan Anderson relocated to Rochester to join Dr. Majerus and the Zumbro Valley Endodontics team in 2017. He is a Board Certified Diplomate of the American Board of Endodontics, which is a distinction shared by only 24% of endodontists. He has served on the Executive Board of the Zumbro Valley Dental Society. Most recently, he was elected by his peers as the President of the Minnesota Association of Endodontists.

He and his wife, who has a Ph.D. in molecular cancer biology, have a young son and daughter. His wife is also a fiber artist, and her work can be found on Etsy & Instagram at FoxKnollCo. Dr. Regan Anderson enjoys cycling, kayaking, racquetball, and spending time in the outdoors with his family and dog.

Educational history:

  • Board Certified Diplomate American Board of Endodontics
  • M.S. and Certificate of Endodontic Residency University of Minnesota School of Dentistry
  • D.D.S. (highest honors) University of Minnesota School of Dentistry, Minneapolis, MN
  • B.A. (cum laude) Whitman College, Walla Walla, WA

 Professional Affiliations

  • American Association of Endodontists (www.aae.org)
  • Minnesota Association of Endodontists — President
  • American Board of Endodontics College of Diplomates
  • Minnesota Dental Association
  • Southeastern District Dental Society
  • Zumbro Valley Dental Society (www.zvds.org) — past Executive Board Member
  • American Dental Association
  • National Dental Practice-Based Research Network