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10037 W. Remington Ave.
Littleton, Colorado 80127

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Our Staff

Meet Our Staff

Our doctors are part of a new Litteton tradition of dental comfort and care. Dr. Offerdahl has dedicated his professional career to providing you with the best that dentistry has to offer. He is continually educating himself and his staff on the newest dental techniques and approaches in order to provide you with state of the art, antiseptic, comfortable and personalized dental care.

Dr. John Offerdahl

Dr. Offerdahl is a 1981 graduate of Washington University School of Dental Medicine. He is a member of the American Dental Association, Colorado Dental Association, Metro Denver Dental Association, American Orthodontic Society, International Congress of oral Implantologists, American Congress of Implantologists, Dental Organization of Conscious Sedation and the International Association of Orthodontics. Dr. Offerdahl is also a Master of the Academy of General Dentistry and an alumnus of the L.D. Pankey Institute. He is also Invisalign trained.

Dr. Dan Larsen

Dr. Larsen is from Fargo, North Dakota and is a graduate of the Creighton School of Dentistry in Omaha, Nebraska. Prior to his doctoral education, he received a B.S. in zoology from North Dakota State University. Dr. Larsen is a member of the Colorado Dental Association, the Dental Organization of Conscious Sedation, and the American Dental Association. Dr. Larsen is an outdoor enthusiast and likes to go hunting, fishing, golfing, and skiing.

Dr. Christopher Green

Dr. Green is a graduate of Temple University Dental School (Philadelphia, PA). Dr. Green comes from a long line of dentists including his father and grandfather. Dr. Green is originally from the chicagoland area where he grew up around the dental profession.

In his free time, Dr. Green enjoys hiking, snowboarding, camping, playing hockey and guitar.Continuing dental education is important to Dr Green, he has studied at the Zimmer Institute, Nobel Biocare Training Center, the Maxillofacial Institute of Implantology and has completed his Dental Implant Continuum through Implant Seminars.

Dr. Green is a member of Colorado Dental Association, Metro Denver Dental Association, American Dental Association, Illinois State Dental Society, Chicago Dental Society.

Dr. Andrei Ionescu

Dr. Andrei Ionescu grew up in Michigan where he pursued his undergraduate education from Michigan State University. He then trained for his Doctor of Dental Medicine degree at Midwestern University in Chicago. Dr. Andrei is a member of the American Dental Association, Colorado Dental Association, Metro Denver Dental Association,  Illinois State Dental Society, and Chicago Dental Society. He continues to attend post-graduate courses to stay up to date on the latest dental technology, including facets of cosmetic and restorative dentistry and new techniques of oral surgery and endodontics.

He enjoys the outdoors, particularly hiking and snowboarding, as well as cheering on the teams of the Michigan State Spartans and Detroit sports.  After spending the majority of his life in Romania, Canada, and Michigan, he is now happy to call Denver his home and become an active member of the community.