1. Department of Periodontics and Oral Medicine; School of Dentistry; University of Michigan
2. dental hygienist and a graduate student in the dental hygiene program; School of Dentistry; University of Michigan
3. predoctoral dental student; School of Dentistry; University of Michigan
4. Department of Cariology and Restorative Dentistry; School of Dentistry; University of Michigan
5. Department of Periodontics and Oral Medicine; School of Dentistry, and Adjunct Associate Professor of Psychology; Department of Psychology; College of Literature, Science, and Arts; University of Michigan