Wikipedia is a collaboratively edited, multi-lingual, free internet encyclopedia that consists of over 30 million articles in 287 languages. It comprises the largest, most popular general reference work known and has an estimated 385 million readers. ORA Oral Surgery & Implant Studio in downtown Chicago, Illinois has been cited on Wikipedia within the topic of Eco-Friendly Dentistry®, as the first fully green oral surgery facility in the United States. Additionally, Dr. Steven Koos DDS, MD has been shown to be a leading figure within the field of green health care and is credited as the individual who officially defined and trademarked the term eco-friendly dentistry® in the United States.