The Lake dental TEAM


I’m so glad that I was referred to them. I’ve had a wonderful experience with them. Dr. Lacosse, Joleen, Lori….always so very nice!

– Lana H.

I look forward to my checkups. It’s always an enjoyable experience. Feels like family.

– Steve G.

From the help at the front desk, to my cleaning appointment and now with restorative procedures….Dr. LaCosse’s office has made this a very comfortable experience.

– Betsy

My husband, my parents, and I all rate this excellent dentistry and staff 5+ stars! Don’t know what we’d do if we’d never met them. They are the best!

– Anne B.

Karen has worked with Dr. LaCosse for the past 21 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. She volunteers at Animal Allies walking the dogs and also enjoys fishing and keeping a small flower garden.

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


Registered Dental Hygienist

“I had my teeth cleaned and a check up. Karen does an amazing job cleaning my teeth. It is so relaxing that I almost fall asleep.” 

-Susan S.

Joleen has 20 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.

“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!”


Registered Dental Hygienist /
New Patient Coordinator

“As always, Jolene is competent, efficient, considerate and explanative!!” 

-Kurt J.

Lori comes to our office as a customer service expert with many years of experience in the Private Banking industry. Born and raised in Duluth, married with two beautiful daughters,  two dogs and two rabbits, she loves to spend her summers camping and her winters snowmobiling with her family.

“I love meeting new people, helping our patients feel extra comfortable here, and finding ways for them to receive the care they want and need. I feel so grateful to have the opportunity to work with such great people!”


Administrative Assistant

It was the receptionist, Lori, that immediately put me at ease and convinced me to come in for a consult.” 

-Corissa N.

Our team at Lake Dental is committed to getting to know you and your specific dental care needs in order to build your trust and provide the highest level of service possible.