The University of Iowa College of Dentistry

  • John J. Warren, DDS, MS

  • Professor
    & Department of Preventive & Community Dentistry

  • Education:

  • DDS, University of Iowa, 1986
  • MS, University of Iowa, 1991
  • Diplomate, American Board of Dental Public Health

Brief Professional Resume:

Dr. Warren joined the University of Iowa College of Dentistry as a postdoctoral associate in 1991. He became an adjunct assistant professor in the Department of Preventive & Community Dentistry in 1996. In 1999, he became a full-time assistant professor in the department; he is now a professor. In 2010, Dr. Warren became director of the graduate program in dental public health.

Research Activities:

Dr. Warren's current research includes several studies of factors related to dental caries in early childhood and the prevention of this disease; longitudinal sucking patterns and dental arch development; and longitudinal study of fluoride exposures and dental fluorosis. Dr. Warren is also the director of the College of Dentistry's student research program.

Teaching Activities:

Dr. Warren teaches both predoctoral and graduate classes. His main predoctoral responsibilities include clinical preventive dentistry, but he also participates in the community dentistry courses. His graduate responsibilities include directing a course in thesis research design as well as participating in several other courses. He is also graduate program director for dental public health.

Clinical Activities:

Dr. Warren's clinical activities include teaching in the predoctoral preventive dentistry clinics and various clinical research projects.

National or International Professional Appointments and Activities:

Dr. Warren is a calibrated examiner for the Iowa Fluoride Study and he helped develop examination criteria for epidemiological dental caries and dental fluorosis examinations in the primary dentition. Dr. Warren has served as a consultant to several oral health studies in the United State and abroad, and has served on several NIH and international grant review panels. Dr. Warren has been a member of the editorial board for Journal of Public Health Dentistry and currently serves in that capacity for Special Care Dentistry. He is a reviewer for Community Dentistry and Oral Epidemiology, Special Care in Dentistry, Caries Research, Caries Research, and a number of other journals.