About Us

Dentists who listen, so you get the best care for you.

Our Mission

To provide you with the highest quality dental care, which always starts with listening to you.


Dr. Marissa Ryan is thrilled to be joined by Dr. Lydia Stegemann to form Ryan Dental Partners. We can’t wait to welcome you and your family to our new office at 280 Gannett Drive in South Portland.

Earning your trust is key, which means we will always listen carefully first, providing clear and respectful answers to your questions before we begin – and every step along the way. We are deeply committed to providing treatment of the highest quality, nothing less.

We offer a full set of services to help you maintain your great smile.

This means not only providing the highest quality preventative care, but making sure we detect potential problems early, so we can reduce the risk of needing more extensive – and often expensive – treatment in the future. Catching things early keeps the cost (in time and money) to a minimum. We are experts in:

 
 
 
 
 
 
 
 

Reach out to our team with any specific service questions and we will be sure to get back to you right away. 

What Our Patients Are Saying…

“Dr Ryan has always gone above and beyond for my family! She is caring and compassionate, as are the rest of her team. Like many, I am not a huge fan of dental work, but Dr Ryan always puts me at ease and takes the best care of me and my family!”

— Courtney Thoreck

“I highly recommend Doctor Ryan—she is a meticulous, pleasant and skilled dentist and she has been incredibly responsive to my dental needs… Dr. Ryan has provided every type of dental care I could imagine — and given me the smile I have always wanted.”

— Terry Garmey

“Dr. Marissa Ryan is a master at combining both the mechanics and the aesthetics of dentistry and at the same time offering comfort and education to her patients. She is the best.”

— Julie Hale

Read More