Dr. Christen is Professor and Director of Preventive and Community
Dentistry in the Department of Oral Biology at Indiana University School of
Dentistry in Indianapolis. He is coauthor of a textbook, Primary Preventive Dentistry, 4th Edition, published in 1995.
Dr. Christen is also an expert on smoking cessation and co-director of the
Indiana University Nicotine Dependence Program.
Dr. Christen retired as a Colonel in the U.S. Air Force in 1980.
Since then, he has been involved in many tobacco-related research projects,
focusing on nicotine withdrawal therapy in dental practice and the effects of
using smoked and smokeless tobacco. He is coauthor of the 1990 Surgeon
General's Report, "The Health Benefits of Smoking Cessation."
In addition to dentistry, Dr. Christen's interests include lifestyle
modification, stress reduction, chemical dependency, motivation and the
clinical effects of tobacco on oral and perioral tissues.
Cohen SJ, Christen AG, Katz BP, et al.
(1987). Counseling medical and dental patients about cigarette smoking: The
impact of nicotine gum and chart reminders. American Journal of
Public Health 77: 313 - 316.
Transdermal Nicotine Study
Group (Christen AG, Beiswanger B, Mau M, Walker C) (1991). Transdermal nicotine
for smoking cessation: Six-month results from two multicenter controlled
clinical trials. JAMA, 266(22): 3133 - 3138.