About The Lake Dental Group

The Lake Dental Group is your partner in creating the gorgeous and healthy smiles that reflect the style patients desire. With a strong belief that everyone deserves the absolute best possible care, the Lake Dental Group is committed to changing your perceptions of visiting the dentist.

Meet The Lake Dental Group’s Qualified Staff in Duluth

Karen Paul - Registered Dental Hygienist

"We have a superb top notch staff and I love coming to work! The brand new office and lake view is a great bonus!"

Karen Paul has worked with Dr. LaCosse for the past 16 years following her graduation from the UMD Dental Hygiene program. With access to the latest and greatest technologies and techniques, Karen’s career has flourished while working with Dr LaCosse. Karen is married and has two daughters in college. She volunteers at Animal Allies walking the dogs and also enjoys fishing and keeping a small flower garden.

Joleen Reents - Registerd Dental Hygienist / New Patient Coordinator

"I am dedicated to providing our patients the best possible treatment and appreciate having access to the newest technology available! I look forward to meeting you!"

Joleen has 15 years of Dental Hygiene experience with a focus on patient education and treatment planning. Her degree was earned at Normandale Community College in Bloomington, MN. She enjoys spending time traveling, boating and attending sporting events with husband Randy and their four children.

Carrie Gutierrez - Dental Assistant

"Each staff member here is a delight to work with and the Lake Dental environment is friendly and fun!"

Carrie has been working at Lake Dental since early 2011. In her free time she enjoys playing softball and disc golf, and spending time with her husband Ryan and dog Jade.

Julie Armstrong - Office Manager

"I take great pride and enjoy knowing that our patients receive the best dental care available in Duluth. Our doctors and staff at Lake Dental ensure that each patient’s needs are met with superior care and the latest technologies available."

Julie has worked for Dr. LaCosse for over four years. She and her husband Mike have three children and enjoy attending their kids’ various sporting events. She has a passion for restoring, refinishing, and re-purposing vintage furniture and lighting. When time allows, Julie also likes to volunteer for various non-profits in Duluth.

Tiffany Nelson - Administrative Assistant / Insurance Specialist

"It is a joy to work at such a positive, high energy office with committed and caring Doctors and staff that always have the best interest of our patients care in focus!"

Tiffany started working for Dr. LaCosse in early 2011 and brought with her nine years of experience with medical/dental insurance and chairside assisting. In her free time, Tiffany enjoys spending time with her husband, Adam, and their two boys. When she is not traveling for the boys’ sporting events, Tiffany enjoys playing volleyball and softball as well as running.