Eric Linden, DMD, MSD, is a periodontist with more than 30 years of clinical experience and a laser periodontal surgeon with a private practice in New York. He is a professor of periodontics, implants, and oral medicine at Columbia University in New York. Linden is currently directing several clinical trials assessing the effectiveness of laser treatment around failing implants. He serves on the American Academy of Periodontology Committee on Peri-Implantitis. In addition, Linden trains faculty, residents, and dentists from around the world in various laser therapies. He can be reached at: firstname.lastname@example.org.