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Meet Our Doctors

Gemma Hill DDS MS

Dr. Gemma Hill attended the University of Michigan School of Dentistry and received her Masters in Orthodontics from Loma Linda University.

School gave her the opportunity to live in a lot of different places and experience the best that each of those areas has to offer. Dr. Hill felt that her orthodontist changed her life and that’s where her dream really got started. Orthodontics for Dr. Hill is the perfect combination of science, art, and helping others feel confident in their smile.

Dr. Hill grew up in Fullerton, CA where her mom taught second grade and her dad was an engineer. Dr. Hill got her love for learning, teaching, working with kids (not to say she doesn’t enjoy patients of all ages!), and science from them.

Dr. Hill’s Life Outside of the Clinic

Cooking and baking – Dr. Hill loves collecting and trying new recipes and taking classes when she can. Kayaking and hiking are also very high on the list for Dr. Hill. She loves exploring and traveling and learning about other places and cultures.

Dr. Hill, her boyfriend Anthony, and their yorkiepoo Agnes, are excited for their next chapter in Portland and are ready to explore the beautiful Pacific Northwest.

Joseph A. Dugoni DDS PC

Orthodontist in Portland Oregon. – Dr. Joseph Dugoni attended the University of North Carolina School of Dentistry and obtained his specialty training at Oregon Health Sciences University (OHSU), Department of Orthodontics. Both programs had a strong clinical and research emphasis, which prepared him well for private practice.

Throughout his career he has advanced his academic and clinical skills by engaging in continuing education well beyond what is professionally required. He has enjoy access to worldwide scientific studies and publications, web based meetings and forums, and participate in regional and local professional meetings. Dr. Dugoni has maintained longstanding membership in a local orthodontic study club and recently completed a two year study with orthodontic clinicians throughout the world to discuss science based techniques, materials, and technology.

Dr. Dugoni enjoys staying engaged in scientific and technological advancements and maintains memberships in the American Dental Association, The Multnomah County Dental Society, American Association of Orthodontists, Pacific Coast Society of Orthodontists, and the Oregon State Society of Orthodontists.

Dr. Dugoni’s Early Years

Dr. Dugoni’s parents’ families immigrated from Italy and Hungary, and his parents met in Pennsylvania where they earned their teaching certifications. His family moved to Florida when his two siblings and Dr. Dugoni were young so that his parents could pursue their careers in education. He attended the University of Florida and graduated from the School of Forestry with a degree in Wildlife Biology. He then attended Louisiana State University where he received a Masters Degree in Wildlife Ecology. His thesis research through the Cooperative Wildlife Research Unit afforded him the opportunity to study the bald eagle population in the state of Louisiana. For the next ten years he worked on multiple wildlife management and research projects throughout the United States and Canada.

Dr. Dugoni met his wife, Laurie, in Louisiana where she was a special education teacher and they moved to Portland where they have raised their four, now adult children. The enjoy the Pacific Northwest and its outdoor experiences, activities, and community values.

Gretchen Schnepper DDS MS

Dr. Gretchen Schnepper has been practicing orthodontics in the Pacific Northwest since 2007.  She graduated from and completed an additional 27 month, advanced educational program in orthodontics at Loma Linda University. Orthodontists are uniquely qualified dental specialists who diagnose, prevent and treat dental and facial irregularities to correctly align teeth and jaws.  Dr. Schnepper comes from a long line of dental professionals. Both her maternal and paternal grandfathers and her father were dentists and her uncle still practices today. While in dental school she received The American Association of Orthodontists Award, the American Association of Oral Biologists Award and the International College of Dentistry Award.

Dr. Schnepper is a member of the American Association of Orthodontists, the world’s oldest and largest dental specialty organization.  It represents more than 17,000 orthodontist members throughout the United States, Canada and abroad.  The Association encourages and sponsors key research to enable its members to provide the highest quality of care to patients, and is committed to educating the public about the need for, and benefits of, orthodontic treatment.

Dr. Schnepper’s Life Outside of the Clinic

Dr. Schnepper is married to Darby, a first and second grade teacher. She enjoys reading, making art, bicycling and camping in her spare time. They have been blessed with 2 beautiful daughters. She loves being a mom.