Summit Dental Group
Dillon CO

Meet the Team at Summit Dental Group

At Summit Dental Group, our entire team is dedicated to providing our patients with superior dental care. We are highly trained professionals who are proud to be working in the dental field. Great oral health is closely tied to your overall well-being, and we strive to make every treatment comfortable and efficient so you can get the important care you need. You can be sure that we will spend all the time necessary with you to answer your questions and address your concerns.

Dr. Bryan Hilton, DDS | Summit Dental Group | Dillon, CO

Bryan Hilton, DMD

After receiving his Bachelor of Arts degree from Western State College of Colorado, Dr. Bryan Hilton obtained his Doctor of Dental Medicine degree from Temple University Kornberg School of Dentistry. Dr. Hilton then completed a year of general practice residency at Veterans Affairs Hospital in Denver, where he provided comprehensive dental care to veterans with complex medical needs. He has additional education and training in a number of specialties including periodontics, implantology, oral surgery, prosthodontics, and endodontics.

Dr. Hilton is committed to providing the highest standard of oral healthcare to his patients at Summit Dental Group, getting to know them as individuals so that he can be a compassionate partner in their dental treatment. He has received numerous awards in the field of dentistry and participates in community outreach programs like Homeless Stand Down and Give Kids a Smile and the Colorado Mission of Mercy. In addition, he is an active member of the American Dental Association, the Colorado Dental Association, and the Metro Denver Dental Foundation.

Corry Marcincin, DMD

Dr. Corry Marcincin received her Bachelor of Arts degree in biology from prestigious Lafayette College and obtained her Doctor of Dental Medicine degree with honors from Temple University School of Dentistry. She completed a year general practice residency at Denver Health Medical Center, where she continued to expand her knowledge in the specialty areas of endodontics, oral surgery, pedodontics, periodontics, and emergency dental care.

Dr. Marcincin gives back to the community through various outreach programs and brings the same compassionate approach to caring for her patients at Summit Dental Group. Her focus is on delivering excellent oral healthcare that addresses patients' concerns and dental health needs in a gentle way. Dr. Marcincin is an active member of the American Dental Association, the Colorado Dental Association, and the Metro Denver Dental Foundation. Dr. Marcincin is also an avid sportswoman who participates in running, skiing, hiking, swimming, surfing and whitewater rafting.

Amy Dethlefs

Patient Relations Coordinator

Amy graduated from the University of Northern Colorado with a Bachelors of Science in Nutrition in 2015. After not finding a passion in the nutrition field she began working in the dental field. She has worked in the dental field for over 4 years handling billing, insurance, front office duties as well as a year of assisting. Her favorite part of this profession is interacting with patients and helping them understand their treatment and insurance.

Amy grew up in Evergreen, Colorado. When not in the office she enjoys hiking, snowshoeing, cooking, spending time with her two kitties (Clark and Olive), watching football (Go Broncos!), and spending time with friends and family.

Jordan Cain

Patient Relations Coordinator

Jordan was born and raised in Boulder County Colorado. He spent most of his life living throughout the front range until his need for adventure and fresh start landed him in Summit County, where he has been for 3 years. Like many, Jordan enjoys hiking, camping, and skiing. You can find his trustee companion, Milo, his 8 year old yorkie with him on most of his adventures. He has been in dentistry for almost 8 years, beginning as an assistant for both general and oral surgery. Summit County is where he plans to be for a long time, be sure to say hello out on the slopes or trails!

Janiece | Dental Hygienist | Summit Dental Group | Dillon, CO


Dental Hygienist

Janiece is a dedicated dental professional who attended Ohio State and Sinclair Community College. She loves providing her patients with compassionate care and is happy to be part of our energetic team. Janiece aspires to excellence in all aspects of her work and is a winner of the Colorado Dental Hygiene Team Spirit.

Janiece grew up in Elyria, OH and has been with Summit Dental Group for over 35 years. She enjoys taking in the Colorado scenery while skiing and kayaking and is always up for a new challenge. When her busy schedule permits, she spends time scrapbooking.

Becky Lee


Becky is originally from Sioux Falls and is a Dental Hygienist who graduated from the University of South Dakota. She loves helping people achieve optimal oral health. She loves meeting new (and established patients) as well as getting to know their families and interests. In her spare time, Becky likes to run, hike, ski, raft, paddle board and read! 

Zulma Fuller, RDH


Zulma grew up in Mexico, she has been in Summit County since 1997. Prior to becoming a dental hygienist, she was a dental assistant for 10 years. Zulma graduated with an associates degree in dental hygiene in 2017 from Colorado Northwestern Community College. She is very passionate about the dental field, she loves contributing to peoples oral and overall health. Among other skills, Zulma is fluent in Spanish and English. When not working Zulma enjoys hiking, exercise, yoga, spending time with family and friends and enjoys following her daughter around Colorado for softball tournaments.

Kristina Rykhlya


Kristina graduated in 2016 with an associate’s degree in Dental Hygiene from Ozarks Technical Community College in Missouri. She was born in Tajikistan and grew up speaking Russian. She moved to Colorado right after graduation then moved to Summit County in 2020. She has a passion for dentistry and educating her patient’s on how to attain a healthier smile.

Her and her husband have a German Pinscher named Zeus who is 5 years old. She loves to spend as much of her free time outside as she can. She loves snowboarding, mountain biking, hiking, and paddle boarding. She feels very fortunate to call Summit County her home.

Laura Grogan

Clinical Coordinator

Laura moved to Summit County in 1994 to pursue her original career path as a pastry chef.  She started her dental career at Summit Dental Group in 2005 as an assistant before earning her EDDA certification.  She went on to assist in a specialty endodontic & periodontal office before returning to her home base.  Her favorite part about working here is providing the highest quality of care to our patients, and being surrounded by perfectionists!

Laura is a sucker for dogs, baseball, anything artsy or musical, and practices yoga and jujitsu in her spare time.  She looks forward to helping you receive the care you deserve!

Noel Keller


Noel was a bar tender for over a decade and decided she wanted a change in careers. She has been a dental assistant at Summit Dental Group for a little over a year. Her favorite part about being a dental assistant is being able to work with other people.

Noel grew up outside of Philadelphia and relocated to Colorado in 2004. Her love for the mountains brought her to the area in 2020. She enjoys snowboarding, riding ATV’s, mountain biking, fishing, kayaking, and paddle boarding.

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