Dental Hygiene Perio Board Exam Questions - Part 2 of 2

Jill S. Gehrig, Daniel E. Shin, & Donald E. William, Foundations of Periodontics for the Dental Hygienist, 2021: Jones & Bartlett Learning, Burlington, MA. www.jblearning.com. Reposted with permission.
Reference:
Blue, C. M. (2017). Darby's comprehensive review of dental hygiene. (9th ed.). St. Louis, Mo: Saunders/Elsevier.