Trails End Dental
Douglas Retzlaff, DMD, PC


Our People Are Our Practice

About Douglas Retzlaff, DMD

Dr. Retzlaff was born in Canada but his family moved to southwest Portland while he was in elementary school and considers himself a native Oregonian. As a second generation dentist, he treats his patients the way he wants to be treated and stresses building patient relationships to fulfill and maintain healthy smiles. Dr. Retzlaff established his Oregon City practice 25 years ago and most enjoys the restorative and cosmetic aspect of dentistry. He is excited about implant dentistry's possibilities for his patients with missing teeth and their opportunities for restored dental function.


Doctor of Medical Dentistry

Oregon Health Sciences University

Bachelor of Science in Biology

Portland State University

Kelsey Cook

Office Manager

In October 2018, Kelsey transferred from Dr. Retzlaff’s chairside Dental Assistant to our front desk Scheduling Coordinator position. Now, she serves as Office Manager.

Her dental knowledge is invaluable in scheduling appointments, billing insurance, and responding to many phone calls. After her work day, Kelsey loves spending time outdoors with her family camping, snowboarding, four-wheeling, and horseback riding.

Robyn Robertson

Scheduling Coordinator

Robyn started her dental career 25 years ago as a chairside assistant. Her work experience includes a periodontal office, orthodontic offices and general dentistry. Although she started as an assistant, she found herself enjoying the front office and has worked as a patient care coordinator as well as a scheduling coordinator.

Robyn is a mother of 2 children, her son is studying to become a marine biologist and daughter is in high school. Her main interests are riding and showing horses with her daughter, game nights at home and traveling with her husband and kids, especially to Hawaii and Disneyland.


Dental Hygienist

We welcomed Cindy to our team in May 2019.  She has twenty-seven years of experience as a Dental Hygienist and truly loves this profession.  As a hygienist, Cindy is motivated, professional, and committed to helping patients achieve optimum oral health.  

Cindy and her husband are long time Oregon City residents.  Her hobbies are antiques and quilting.


Dental Assistant

Marla has 25+ years in the dental field. She enjoys not only providing the utmost care for her patients, but also getting to know them on a personal level, while treating them with professionalism, kindness and always some laughter.

Marla and her husband live in the Gladstone area and have 6 kids that keep them very busy, with one married, one serving in the Navy, and 4 teenagers at home! When not working, Marla enjoys doing her Peloton, kayaking and SUP, tie dye, and cruising in her 1970 VW Bus.


Dental Hygenist

Tanya started her dental career 25 years ago as dental hygienist working for fathers dental practice. Her work experience includes teaching at as a hygiene instructor at the Pattison Institute, as well as working for many years as a successful dental hygienist. Tanya is passionate about patient care, making sure her patients fully understand their treatment , teaching positive and productive techniques for home care and creating a good overall environment.

In her free time Tanya loves to help out at her community church, travel to fun and exotic places and spend time outdoors with her puppy!

Our Office

Providing dentistry in a relaxed and family-friendly environment since 1990, Dr. Doug Retzlaff provides family and cosmetic dentistry for patients in Oregon City and surrounding areas. Our purpose is to provide quality dental care in a happy environment that promotes the well-being of our patients, staff, and community. You can always count on a comfortable experience and a warm welcome and a smile!