committed to providing the highest quality care, supporting your efforts to enjoy the finest periodontal health

Trust Our Experience With Over 40,000 Dental Surgeries
and 12,000 Dental Implants Placed.


Dr. Katrine Andreasen
Featherstone Periodontics
& Implant Dentistry

Dr. Katrine Andreasen is a Board-Certified Periodontist accredited by the American Academy of Periodontology. Dr. Andreasen grew up in Louisville, Kentucky and received her Bachelor of Arts degree in Biology from Clemson University. After college, she moved to San Francisco, California and worked for a general dentist and this is what originally sparked her interest in dentistry. Dr. Andreasen decided to return to Louisville to attend the University of Louisville School of Dentistry, where she received her Doctor of Dental Medicine degree and graduated Magna Cum Laude. During dental school, Dr. Andreasen was inducted into the Nu Chapter of the Omicron Kappa Upsilon honor society. She then continued on at the University of Louisville to complete a residency in Graduate Periodontics and earned a Masters of Science in Dentistry. While getting her Masters degree, Dr. Andreasen completed clinical research in the area of implant site development and implant placement. Dr. Andreasen is certified in conscious sedation and ACLS (Advanced Cardiac Life Support) and currently uses sedation and pain control techniques during her practice. Dr. Andreasen's favorite thing about a specialty in the field of Periodontics is the variety of procedures performed, including extractions and bone grafts, implants, gum grafting, and LANAP surgery to treat periodontal disease.

Dr. Andreasen lives in Rockford, Illinois with her husband, Bryan, and their two dogs, Henry and Maya. She enjoys spending time with her family, traveling, cooking, and many outdoor hobbies, including running, hiking, and skiing.

Dr. Andreasen is an active member of the American Academy of Periodontology, American Dental Association, American Board of Periodontology, Illinois State Dental Society, Winnebago County Dental Society, Wisconsin Dental Association, Spear Study Club, Rock County Dental Society, and the Midwest Society of Periodontics.



I love my gums and teeth. They were complete for my husband’s 20th reunion from Yale, and I could feel happy smiling! You do great work.


I just wanted to say thank you to you and your staff for making my visit very pleasant and relaxing. I am very pleased at how you took great care of me and doing such a great job. You and your staff are just awesome. Keep up the great job you do. Thank you again.