Dentist - Northfield
2011 Jefferson Road
Northfield, MN 55057

507-645-5612 fax

Dentist in Northfield, MN

The brief descriptions below are designed to familiarize you with our staff's training, professional credentials and work experience.




Dr. David R. Buck

Dr. Buck is a Northfield native. He earned a B.A. from St. Olaf College in Chemistry in 1985 and graduated from the University of Minnesota School of Dentistry in 1990.

Dr. Buck is active in various dental study groups in which he keeps current on new developments in dentistry. He is also a member of the Minnesota Dental Association and American Dental Association.

He enjoys all areas of dentistry and especially likes helping anxious people feel more relaxed in the dental setting. Dr. Buck and his wife Cheryl reside in Northfield and have two adult children.


Dr. David Brust

Dr. David Brust is a native of Northfield, MN and a graduate of NHS. He earned a Bachelor of Arts degree in Chemistry from St. Olaf College in 1991. Dr. Brust graduated with a high distinction from the University of Minnesota School of Dentistry in 1996. He was awarded an Oral Surgery Fellowship at the Minneapolis Veterans Hospital where he practiced for one year. Upon completion of the fellowship, he returned to Northfield where he joined Division Street Dentists, now Heritage Dental Care.

Dr. Brust is a member of the American Dental Association, the Minnesota Dental Association, and Southeastern District Dental Society. He is also a member of Omicron Kappa Upsilon National Honor Society.

Dave and his wife, Anne, live in Northfield and have two daughters. In his spare time he enjoys the kids’ activities, outdoor sports and recreation. They also have an English Setter named Jack.



Dr. Michael Thompson

Dr. Michael Thompson grew up in Grand Forks, North Dakota and attended St. John’s University where he earned a B.A. in Biological Sciences in 2009.  He then attended the University of Minnesota School Dentistry receiving his D.D.S. degree in 2013.  Dr. Thompson is a member of the American Dental Society along with the Minnesota Dental Association.  Dr. Thompson enjoys all aspects of dentistry and particularly working with youngsters in an effort to introduce them to dentistry while minimizing their anxiety.

Dr. Thompson, with his wife, Kaitlin, two daughters and son, reside in Northfield and enjoy spending time outdoors in Northern Minnesota during the summers.



Dr. Amy Finn

Dr. Amy Finn grew up in Woodbury, Minnesota and earned a B.S. from Winona State University in biology in 2012. She graduated from the University of Minnesota School of Dentistry in 2019. After dental school, she completed a one year General Practice Residency at the University of Michigan Hospital.

Dr. Finn is a member of the American Dental Association and the Minnesota Dental Association. She also sets aside time to volunteer at Hope Dental Clinic where she provides dental care to the underserved and uninsured. She loves all aspects of dentistry but her favorite aspect of dentistry is helping people have an enjoyable dental visit.

Her hobbies include wake surfing, snowboarding and running. She also loves spending time with her 150 lb Great Dane Mastiff, Hank.